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Watersheds![]() With the Flow Ohio – Watershed Report for the Week of May 22 to 28, 2023Low flows signal drought coming
Find your location in one of Ohio’s main drainage areas, read on for details by watersheds within each drainage basin.
Table updated May 26 16:00 EDT
1a Grand River WatershedFlows: capturing runoff from parts of Ashtabula, Lake, Geauga, Portage, Trumbull Counties
Public Drinking Water Advisories (2) confirmed ongoing as of May 26, 2023West Farmington Village Public Water Supply (Trumbull) Sensitive population advisory issued by Ohio EPA: exceeds standard for haloacetic acids (HAA5), by-products of disinfection MCL = 0.06 mg/L. This is a community water system serving between 251 and 1000 customers (908 customers) from a surface water source (surface water intake on Grand River, also surface water purchased from Trumbull County) Measured running average HAA5 .061 mg/L.
DFC Mobile Home Park – Jefferson (Ashtabula) Boil Water Advisory has been issued due to measured e.coli microbiological contamination in the well water. Residents of DFC Mobile Home Park are advised to boil water before drinking or use an alternate water source.
Spills (0)
1b Ashtabula River - Chagrin River WatershedFlows: catching parts of Ashtabula, Lake, Cuyahoga, Geauga, Portage Counties
Conneaut Creek drains an area of 175 sq miles in Ashtabula County; the creek is monitored at Conneaut station, the normal flow at this location is below 1000 cfs and 4.5 ft deep; temperature is monitored, flood stage is not reported
Chagrin River drains an area of 246 sq miles of Lake County into Lake Erie. Normal flow at Willoughby station is below 1100 cfs and 4.5 ft deep (flood stage 12 ft) Unnamed tributary to Chagrin River drains 7.69 sq miles of Cuyahoga County. The flow
Euclid Creek drains an area of 5.13 sq miles in Cuyahoga County. The flow
East Branch Euclid Creek drains 7.11 sq miles in Cuyahoga County. Flow at Richmond Heights is unrated, has been 1.5 ft deep
Public Drinking Water Advisories (0)Spills (1)· May 16 - unknown amounts of unknown material and sodium chloride reported spilled in Ashtabula Township – Ashtabula
1c Cuyahoga River Watershed Flows: parts of Cuyahoga, Summit, Portage, Geauga, Medina Counties
Cuyahoga River drains an area of 788 sq miles in Ohio. With its headwaters in Geauga County, Cuyahoga takes a loop south into Portage and then hooks back north through Summit, passing through Cuyahoga County to discharge into Lake Erie.
West Creek drains an area of 9.23 sq miles in Cuyahoga County. The flow
Mill Creek gathers runoff and drains 12.9 sq miles in the Cuyahoga River watershed; the flow
Big Creek drains an area of 35.3 sq miles in Cuyahoga County. The flow at Cleveland is unrated, has been 89 cfs and 3.6 ft deep. (updated 03-02-23)
East Branch Big Creek collects flow from 19.2 sq miles in Cuyahoga County. The flow at Brooklyn is unrated, can be 39 cfs and 2.6 ft deep. (updated 03-02-23)
Brandywine Creek drains an area of 16.4 sq miles in Summit County. The flow near Macedonia is unrated, we have seen it at 50 cfs and 3.7 ft deep, (minor flood stage here is 13 ft). (updated 03-02-23)
Indian Creek drains an area of 4.49 sq miles in Cuyahoga County. The flow at Macedonia is unrated, has been 9 cfs and 1.5 ft deep (flood stage 9.5ft) (updated 03-02-23)
Tinkers Creek drains an area of 83.9 sq miles of Cuyahoga County, flow at Bedford is above normal, 220.66% above mean at 399 cfs and 3.60 ft deep (flood at 9.5 ft). (updated 01/30/23)
Chippewa Creek drains an area of 17.5 sq miles Cuyahoga County before joining the Cuyahoga River. The flow near Brecksville is unrated, it can be around 3 ft deep (updated 03-02-23)
Doan Brook drains an area of 8.2 sq miles in Cuyahoga County. The flow at MLK Jr. Dr Cleveland is unrated, we see it at around 15 cfs and 2 ft deep. (updated 04-10-23)
Public Drinking Water Advisories (0) Spills (0)
1d Black River - Rocky River WatershedFlows: runs off parts of Lorain, Ashland, Huron, Cuyahoga, Medina Counties
Black River drains an area of 396 sq miles of Lorain County into Lake Erie. Normal flow at Elyria is around 1100 cfs and 4 ft deep. (flood stage 9.5 ft) 2.5°C. Specific conductance 471 µS/cm. (updated 05-12-23)
Rocky River drains an area of 267 sq miles of Cuyahoga County into Lake Erie. Normal flow at Berea is around 300 cfs and 5 ft deep, (flood stage 14 ft), temperature is recorded here (updated 04-12-23)
East Branch Rocky River drains an area of 60.3 sq miles in Cuyahoga County. The flow near Strongsville is unrated, usually around 70 cfs and 6 ft deep when conditions in the area are normal. (update 04-12-23)
Plum Creek drains 15.7 sq miles in Cuyahoga County. The flow near Olmstead Falls is unrated, around 10-12 cfs and 2 ft deep (flood at 8ft). (updated 04-12-23)
Abram Creek drains an area of 8.12 sq miles in Cuyahoga County. The flow
Baldwin Creek drains an area of 8.9 sq miles in Cuyahoga County. The flow at Strongsville is unrated, we see this station measuring around 2.5 ft deep. (updated 04-12-23)
Public Drinking Water Advisories (0)Spills (0)
2 Western Lake Erie Watersheds
2a Huron River/Vermillion RiverFlows: parts of Erie, Huron, Lorain Counties
Vermillion River drains an area of 262 sq miles of Lorain County into Lake Erie just east of Sandusky Bay. Normal flow at the Vermillion monitoring station is around 200 cfs and 2.7 ft deep (flood stage 9ft); (updated 04-12-23)
Huron River drains an area of 371 sq miles of Huron County into Lake Erie east of Sandusky Bay. Normal flow at Milan station is around 300 cfs and 7 ft deep, (flood stage is 18 ft). temp and conductance are detected here(updated 04-12-23)
Old Woman Creek drains 22.1 sq miles in Erie County. At Berlin Rd near Huron, normal flow is 5 cfs and 2 ft deep (updated 04-12-23) Public Drinking Water Advisories (0)Spills (1)
2b Sandusky River WatershedFlows: parts of Sandusky, Seneca, Wyandot, Crawford (4 Main) also parts of Erie, Ottawa, Wood, Huron, Hancock, Hardin, Marion, and Richland counties
Sandusky River drains an area of 1251 sq miles in Crawford and Wyandot Counties. The flow
Honey Creek drains an area of 149 sq miles of Seneca County into Sandusky River. Normal flow at Melmore in Seneca County is less than 90 cfs and 2.5 ft deep. (04-12-23)
Rock Creek drains an area of 34.6 sq miles in Seneca County into Sandusky River. The flow
Tymochtee Creek drains an area of 229 sq miles in Wyandot County into Sandusky River. Normal flow at Crawford is around 125 cfs and 2.75 ft deep (flood stage 8.5 ft). (updated 04-12-23)
Public Drinking Water Advisories (1) updated as of May 26, 2023
Tiffin Loader Crane Company – Tiffin – Seneca County - non-transient system less than 250 persons from groundwater source Monitoring/Reporting advisory - Public water system has provided insufficient monitoring or reporting information. Contaminant of concern: inorganic chemicals (IOC’s): nitrite
Spills (1)
2c Blanchard River WatershedFlows: drains parts of Hardin, Hancock, Putnam, Seneca, Allen, Wyandot Counties
Blanchard River drains 756 sq miles of Hancock and Putnam Counties into Auglaize River and on to Lake Erie. The flow measured
Lye Creek drains an area of 18.8 sq miles. The flow above Findlay is unrated, starts out around 6 cfs and 1.5 ft deep (flood stage is 6ft). (04-12-23)
Eagle Creek drains an area of 51 sq miles in Hancock County. Flow above Findlay is unrated, commonly 15 cfs and 3.4 ft deep when (flood stage is 9ft) temp and conductance are measured here (updated 04-12-23)
Riley Creek drains an area of 70.3 sq miles in Putnam County. The flow below Pandora is unrated, around 40 cfs and 3.7 ft deep. (updated 04-12-23) Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023McComb Village – McComb – Hancock County – Community system serving 1001 – 3300 persons – surface water source Sensitive population advisory – disinfection byproducts – haloacetic acids You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor.
Spills (1)
2d Cedar River-Portage River WatershedFlows: catches parts of Hancock, Wood, Seneca, Sandusky, Ottawa Counties Portage River drains an area of 494 sq miles of at Sandusky County. The flow
Public Drinking Water Advisories (0)
Spills (1)
2e Auglaize River WatershedFlows: washes parts of Defiance, Fulton, Henry, Lucas, Paulding, Williams, Wood and Allen Counties Auglaize River drains an area of 2318 sq miles into Maumee River, where it empties into the western part of Lake Erie. The flow station
Little Flat Rock Creek drains an area of 15.2 sq miles in Paulding County into Auglaize River. The flow near Junction is unrated, around 6 cfs and, 2.5 ft deep. (updated 04-12-23)
Little Auglaize River drains an area of 401 sq miles in Paulding County into Auglaize River. The flow at Melrose is unrated, common to see this around 380 cfs and 13.5 ft deep. (updated 04-12-23) Public Drinking Water Advisories (4) confirmed ongoing as of May 26, 2023Van Wert City – Van Wert – Van Wert County – Community system serving 10,001 up to 50,000 persons – surface water source Sensitive Populations Advisory - Disinfection Byproducts (DBPs) - Trihalomethanes, total You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.083 mg/L at DS201 and 0.081 mg/L at DS202 during the July 1 to September 30, 2022 time period. MCL = .08 mg/L Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer.
Grover Hill Elementary School – Paulding – Paulding County – Non-Transient system serving between 251 and 1000 persons – groundwater source Do not Drink – sensitive population – inorganic chemicals - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l Major source: Erosion of natural deposits; Water additive; Discharge from fertilizer and aluminum factories
Oakwood Village – Oakwood – Paulding County – Community system serving between 251 and 1000 persons – groundwater source Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l The result of the 2019 fluoride sample was 2.07 mg/L. Verification of public notice was received on February 2, 2021. Major source: Erosion of natural deposits; Water additive; Discharge from fertilizer and aluminum factories
Waynesfield Village – Waynesfield – Auglaize County - Community system serving between 251 and 1000 persons – groundwater source Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l Major source: Erosion of natural deposits; Water additive; Discharge from fertilizer and aluminum factories Spills (2)
2f - Lower Maumee River WatershedFlows: streams from parts of Defiance, Fulton, Henry, Lucas, Paulding, Williams, Wood Counties
Maumee River drains an area of 6330 sq miles of Ohio State. The lower portion normal flow at Waterville flow is around 4000 cfs and 4.5 ft deep; temp and conductance measured here (flood stage 11 ft) (updated 04-12-23)
Ottawa River drains an area of 350 sq miles in Lucas County directly into western Lake Erie. The flow
Wolf Creek drains an area of 24.8 sq miles in Lucas County. The flow at Holland is unrated, around 20 cfs and 2 ft deep (flood stage 13 ft). (updated 04-12-23)
West Creek drains an area of 15.5 sq miles of Henry County before joining the Maumee River. Normal flow near Hamler is around 12 cfs and 3.5 ft deep. (updated 04-12-23)
South Turkeyfoot Creek drains an area of 116 sq miles of Henry County before joining the Maumee River. Flow at Shunk is unrated, commonly around 140 cfs and 2.5 ft deep. (updated 04-12-23)
Public Drinking Water Advisories (5) confirmed ongoing as of May 26, 2023
Leipsic Village – Leipsic – Putnam County – Community system serving between 1001 and 3,300 persons with groundwater Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l The 2019 fluoride result was 2.68 mg/L. The annual Public Notice was delivered in the Consumer Confidence Report in March 2021. MCL = 4 mg/L Secondary MCL = 2 mg/L
Whispering Winds Mobile Home Community – Grand Rapids – Lucas County - Community system serving less than 250 persons from a groundwater source Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
LHS Maumee Youth Center - Liberty Center – Henry County - Community system serving less than 250 persons from a groundwater source Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l The annual average fluoride concentration in 2020 was 3.06 mg/L.
Holgate Village - Holgate – Henry County – community system serving between 1001 and 3,300 from a groundwater source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.101 mg/L at DS201 and 0.106 mg/L at DS202 during the July 1 to September 30, 2022 time period. Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
McGuffey Village – McGuffey – Hardin County – community system serving between 251 and 1000 persons from a groundwater source Do Not Drink - Sensitive Populations – for inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
Spills (2)
2g Upper Wabash River WatershedFlows: from parts of Mercer, Darke Counties The headwaters of the Wabash River are in Ohio, however, USGS does not monitor flows on this system in the state of Ohio. Spills and weather incidents in this area will be noted as they occur, the residue flows west out of state. Public Drinking Water Advisories (0)Spills (0)
2h St. Mary’s River WatershedFlows from Mercer, Van Wert, Auglaize St. Mary’s River drains an area of 386 sq miles in Mercer and Van Wert Counties. From the headwaters in Mercer County, St. Mary’s flows west into Indiana into the Maumee River, which crosses back into Ohio and empties into Lake Erie. The flow
Chickasaw Creek drains an area of 16.4 sq ft of Mercer County. Normal flow at St Marys is around 1 cfs and 3 ft deep (update 04-12-23)
Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023Marion Local High School – Maria Stein – Mercer County – non-transient system serving between 251 and 1000 persons with groundwater Do Not Drink Advisory for Sensitive Populations – for exceed standards inorganic chemicals contaminant – fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l The result of the sample collected on August 15, 2018 was 2.07 mg/L. Major source: Erosion of natural deposits; water additive; Discharge from fertilizer and aluminum factories
Hazardous Algae Blooms (4) Recreational Public Health Advisories have been issued for the following beaches effective May 15, 2023 Grand Lake – St Marys Camp - sampling done by Ohio Dept of Natural Resources on May 21 indicates e.coli at 53.8 cfu/100ml Grand Lake – Windy Point - sampling done by Ohio Dept of Natural Resources on May 21 indicates e.coli at 17.1 cfu/100ml Grand Lake – East Main Beach - sampling done by Ohio Dept of Natural Resources on May 21 indicates e.coli at 9.8 cfu/100ml Grand Lake – West Main Beach - sampling done by Ohio Dept of Natural Resources on May 21 indicates e.coli at 31.36 cfu/100ml
Spills (0)
2i Upper Maumee River WatershedFlows: parts of Paulding and Defiance Counties Maumee River drains an area of 2129 sq miles of Paulding County. The flow
Platter Creek drains an area of 19.5 sq miles of Defiance County into Maumee River. Flow near Sherwood is unrated, commonly around 10 cfs and 2 ft deep. (updated 04-12-23) Public Drinking Water Advisories (3) locations confirmed ongoing as of May 26, 2023Hamler Village – Marion St – Henry County – this is a community system serving between 251 and 1000 persons from a groundwater source Dec 6, 2021 - Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination Locational running annual average of 0.120 mg/L at DS201 and 0.084 mg/L at DS202 during the July 1 to September 30, 2022 time period. MCL = .08 mg/L Jan 1, 1992 - Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride – Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. The most recent fluoride result was 2.39 mg/L in 2018. The most recent distribution of the public notice was in July 2020.
Hamler Village – Hubbard St – Henry County - community system serving between 251 and 1000 persons with groundwater source Dec 6, 2021 - Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination Locational running annual average of 0.120 mg/L at DS201 and 0.084 mg/L at DS202 during the July 1 to September 30, 2022 time period. MCL = .08 mg/L Jan 1, 1992 - Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride – Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. The most recent fluoride result was 2.39 mg/L in 2018. The most recent distribution of the public notice was in July 2020.
Campbells Soup Supply Co – Napoleon – Henry County – non-transient system serving between 1001 and 3300 persons with surface water Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.112 mg/L at DS201 and 0.087 mg/L at DS202 during the July 1 to September 30, 2022 time period. MCL = .08 mg/L
Spills (0)
2j Tiffin RiverFlows: wetting parts of Williams, Defiance Counties
Tiffin River flows south and gathers in runoff from an area of 563 sq miles in Williams and Defiance Counties before joining the Maumee River which empties into the western basin of Lake Erie. The flow monitoring station nearest the headwaters is located
Bean Creek drains an area of 206 sq miles in Fulton County. Normal flow at Powers is around 100 cfs and 8.5 ft deep. (flood stage 15 ft) (updated 04-12-23)
Unnamed tributary to Lost Creek drains an area of 4.23 sq miles in Defiance County. Normal flow near Farmer is 5 cfs and 1.50 ft deep (updated 04-12-23)
Public Drinking Water Advisories (0)Spills (0)
2k St. Joseph RiverFlows: Williams, Defiance, Lucas St. Joseph River drains an area of 610 sq miles in Defiance County. Normal flow at Newville is around 300 cfs and 5.5 ft deep (flood stage 12 ft) (updated 04-12-23) Public Drinking Water Advisories (0)Spills (0)
3 Ohio River Tributaries
3a Shenango River WatershedThe paddle-popular Shenango River system originates in Pennsylvania’s Shenango Valley. The river flows in and out of northeast Ohio, winding its way through west PA on its way down to meet the Ohio River. “The Shenango River Watchers is a 501(c)(3) non-profit watershed group formed to restore and protect the environmental, scenic, and recreational attributes of the Shenango River Watershed”, mission statement of the award winning group that organizes clean-up events and an annual Thanksgiving Day 5k Gobble Wobble, taking off from Hermitage, PA. The group has information resources for paddlers on their website www.shenangoriverwatchers.org. Flows: caught from parts of Ashtabula, Trumbull, Mahoning USGS does not have river monitors placed on the Shenango River on the Ohio side of the border, but the following systems flowing into the Shenango River are monitored:
Pymatuning Creek drains an area of 96.7 sq miles in Trumbull County to join the Shenango River across the state line in Pennsylvania. The flow at Kinsman in Trumbull County is generally around 8 ft deep, temperature and conductance are measured here (04-12-23)
Shenango River (upper) drains an area of 584 sq miles including parts of Trumbull County in Ohio. The river flows on the PA side of the border, flow
Low Flows (0)
Public Drinking Water Advisories (0)Spills (0)
3b Mahoning RiverFlows: draining parts of Stark, Mahoning, Trumbull Mahoning River drains an area of 978 sq miles in portions of Stark and Trumbull Counties as it flows west to east, exiting the state via Trumbull County and joining Shenango River before reaching the Ohio River.
West Branch Mahoning River drains an area of 82 sq miles in Portage County. The flow
Crab Creek drains an area of 14 sq miles in Mahoning County before joining the Mahoning River at Youngstown. Normal flow at Youngstown is 4 ft deep (flood stage 12 ft). (updated 04-18-23)
Mosquito Creek drains an area of 97.5 sq miles in Trumbull County before joining the Mahoning River south of Warren City.
Eagle Creek drains an area of 97.6 sq miles in Trumbull County, exiting the state before joining Shenango River. Normal flow at Phalanx Station in Trumbull County is around 100 cfs and 5 ft deep (flood stage 9.5 ft) (updated 04-12-23)
Low Flows (1)
May 25 10:30 am EDT Mahoning River is flowing much below normal at Leavittsburg - stream depth is down to 2.79 ft and flow volume is 218 cubic feet per second; flowing much below normal below West Ave at Youngstown - measured downstream of Leavittsburg the flow depth is 1.22 ft deep at 364 cubic feet per second Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023
Pleasant Valley Church - Niles (Trumbull) Do not drink – sensitive population advisory has been issued by Ohio EPA for the Pleasant Valley Church Public Water System in Niles, Trumbull County for lead and copper in excess of the maximum contaminant level. This is a non-transient, non-community system serving under 250 people. Note from OEPA, The action level for lead has been exceeded for the July ― December 2022 monitoring period.
Spills (1)
3c Little Beaver Creek WatershedFlows: catching parts of Jefferson, Carroll, Columbiana, Harrison Counties
Little Beaver Creek drains an area of 496 sq miles of Columbiana County into the Ohio River. The normal flow at East Liverpool is around 500 cfs and 3.8 ft deep. (04-28-23)
Yellow Creek drains an area of 147 sq miles in Jefferson County. Flow
Short Creek drains an area of 123 sq miles in Jefferson County. Flow
Public Drinking Water Advisories (0)
Spills (0)
3d Wheeling Creek Watershed (including Captina Creek)Flows: catching parts of Belmont, Monroe Counties
Wheeling Creek drains an area of 97sq miles in Belmont County. Flow is normal at around 135 cfs and, 1.8 ft deep (Flood stage 6ft). (03/09/23)
Captina Creek drains an area of 127 sq miles in Belmont County. Normal flow for the station at Armstrong Mills is 120 cfs and 4.65 ft deep, flood stage is unreported at this location.
Public Drinking Water Advisories (2) Confirmed ongoing at of May 26, 2023Mount Pleasant (Jefferson) Do not drink – sensitive population advisory (ongoing) has been issued by Ohio EPA for the Mount Pleasant Public Water System for lead and copper in excess of the maximum contaminant level. This is a groundwater source, community system serving 251-1000. *
Brilliant (Jefferson) Do not drink – sensitive population advisory (ongoing) has been issued by Ohio EPA for the Cardinal Operating Company 1, 2 and 3 Public Water Systems for lead and copper in excess of the maximum contaminant level. This is a non-transient, non-community system serving under 250 people. *
*Lead poses the greatest risk to young children and pregnant women. The CDC recommends children and pregnant women use bottled water or water from a filtration system that has been certified by an independent testing organization to reduce or eliminate lead for cooking, drinking and baby formula preparation.
Spills (1)
3e Shade River WatershedFlows: parts of Meigs County Shade River drains an area of 156 sq miles in Meigs County. The monitoring station located near Chester is unrated, we have seen it at 6 ft deep (flood stage 17ft deep). Temperature is monitored here. (03/02/23) Public Drinking Water Advisories (0)Spills (0)
3f Hocking River WatershedFlows: contains parts of Athens, Hocking, Fairfield Counties Hocking River drains an area of 943 sq miles in Hocking County; the station
Clear Creek drains an area of 89 sq miles in Hocking County, joining Hocking River; at the station near Rockbridge in Hocking County, a normal flow is around 90 cfs and 1.5 ft deep (04-12-23) Public Drinking Water Advisories (3) confirmed ongoing as of May 26, 2023Berne Station Public Water System – Lancaster – Fairfield County – non-community system serving under 250 persons from a groundwater source Boil Water Advisory – exceeds standards for microbacterial contamination – e.coli – source human and animal fecal waste MCL = confirmed presence of e.coli
Nelsonville Public Water System – Nelsonville – Athens County – community system serving 3,301 to 10,000 persons from a groundwater source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihelomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.086 mg/L for the April 1 to June 30, 2022 time period MCL = .08 mg/L
Amanda Village Public Water System – Amanda – Fairfield County – community system serving 251 – 1000 customers from a groundwater source has voluntarily issued a water conservation advisory, year-round and ongoing. Asking residents to voluntarily conserve water and water yards and plants from 4-10 pm on Tues, Thurs, and Sat. No car washing, pool filling or power washing anything.
Spills (0)
3g Raccoon Creek – Symmes Creek WatershedFlows: rolling over parts of Hocking, Athens, Meigs, Vinton, Jackson, Gallia Counties
Raccoon Creek drains an area of 585 sq miles in Gallia County. Normal flow at Adamsville is 500 cfs and 5.5 ft deep (flood stage 21ft). (04-12-23)
Symmes Creek drains 302 sq miles of Lawrence County into the Ohio River; at Aid, the flow is unrated, 250 cfs and 7 ft deep (flood stage 19ft deep). (04-12-23) Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023
Majestic Oaks Lodge (Hocking County) Boil Water Advisory (ongoing) has been issued for the Majestic Oaks Lodge Public Water system for the detected presence of e.coli microbiological contamination. This is a groundwater source for a non-community system serving less than 250 persons.
Spills (0)
3h Brush Creek - White Oak Creek WatershedFlows: we are talking about rainfall and snowmelt off part of Brown County
White Oak Creek drains an area of 208 sq miles in Brown County; the flow above Georgetown is unrated, we have seen it at 67 cfs and 4.3 ft deep. (03/02/23)
Brush Creek drains an area of 387 sq miles in Adams County. Normal flow at West Union is around 330 cfs and 3.2 ft deep. (updated 03/02/23)
Public Drinking Water Advisories (0)Spills (0)
3i Laughery Creek WatershedFlows: rainfall and snowmelt from central Butler and Hamilton Counties Middle Ohio- Laughery Creek drainage area occupies just over 900 000 acres in Ohio, Kentucky and Indiana. The flow monitoring stations in Ohio are found on Mill Creek. Mill Creek drains an area of 115 square miles in Butler and Hamilton Counties. The flow - at Evendale is unrated, it can be 50 cfs and, 5 ft deep (flood stage 12ft) - at Kemper Road at Sharonville can be 3.6 ft deep; - at East Sharon Rd in Sharonville the flow is unrated, we have recorded it at 222 cfs, and 6.6 ft deep; - at Reading flow is not ranked, we have it at 5 ft deep in average conditions; - at Carthage the flow is unrated, it has been known to flow at 73 cfs and 5.8 ft deep (03/02/23) West Fork Mill Creek drains an area of 29.9 sq miles in Hamilton County. The Reservoir near Greenhills is commonly around 675 ft deep. (updated 03/02/23) Sharon Creek drains an area of 5.39 sq miles miles in Hamilton County. The flow at Sharonville can be around 1.7 ft deep in average conditions. (updated 03/02/23) Congress Run drains an area of 3.88 sq miles in Hamilton County. The flow near Carthage is unrated and can get to 3.5 ft deep when conditions are average. (updated 03/02/23) Public Drinking Water Advisories (0)
Spills (0)
4 Muskingum River Watersheds 4a Tuscarawas River WatershedFlows: Tuscarawas, Stark, Wayne, Carroll, and Harrison Counties Tuscarawas River drains an area of 2443 sq miles of Tuscarawas County before joining the Muskingum River. Flow
Chippewa Creek drains an area of 50.4 sq miles in Wayne County. The flow at Miller Rd at Sterling is unrated, often seen around 80 cfs and 2.5 ft deep. (04-04-23)
Sugar Creek drains an area of 311 sq miles in Tuscarawas County. The flow
Nimishillen Creek drains an area of 172 sq miles in Stark County. Normal flow at North Industry is around 200 cfs and 4.3 ft deep (flood stage 10 ft) (updated 04/04/23)
Middle Branch Nimishillen Creek drains 43 sq miles in Stark County. Normal flow at Canton is around 40 cfs and 1.8 ft deep. (flood stage 6ft) (updated 04/04/23)
East Branch Nimishillen Creek drains an area of 15 sq miles in Stark County. The flow at Louisville is unrated, often around 4 ft deep (flood stage 11 ft)(updated 04/04/23)
West Branch Nimishillen Creek drains an area of 15.8 sq miles in Stark County. The flow at North Canton is unrated, commonly seed around 3 ft deep (flood stage 9 ft) (updated 04/04/23)
Sandy Creek drains an area of 253 sq miles in Stark County. Normal flow at Waynesburg is around 300 cfs and 2.3 ft deep (flood stage 8 ft) (updated 04-04-23)
Willow Run drains an area of 7.8 sq miles in Carroll County. The flow near Dellroy is unrated, often 2 ft deep, temp and conductance are measured here (updated 04/04/23)
McGuire Creek drains an area of 48.3 sq miles in Carroll County. The flow
North Fork McGuire Creek drains an area of 11.3 sq miles of Carroll County. The flow at Carrollton is unrated, we see it at 3.7 ft deep, temp and conductance are measured here. (updated 04/04/23)
Indian Fork drains an area of 70 sq miles in Tuscarawas County. The flow - at Dellroy is unrated, often 5.5 ft deep, temp and conductance are measured here; - below Atwood Dam near New Cumberland flow is likewise unrated, often around 90 cfs and 7 ft deep (updated 04/04/23) Bear Hole Run drains an area of 1.43 sq miles in Carroll County. The flow near Carrollton is unrated, measuring close to 2 ft deep when conditions in the surrounding area are average, temp and conductance are measured here (updated 04/04/23)
Stillwater Creek drains an area of 367 sq miles in Tuscarawas and Harrison Counties.
Little Stillwater Creek drains an area of 71.1 sq miles of Harrison County. Flow below Tappan Dam at Tappan is unrated, a minor 10 to 15 cfs and 4 ft deep. (updated 04/04/23)
Beaverdam Run drains an area of 3.5 sq miles in Harrison County. The flow above Tappan Lake is unrated, under a foot deep, temp and conductance are measured here (updated 04/04/23)
Standingstone Fork drains an area of 13.5 sq miles of Harrison County. The flow above Tappan Lake is unrated, commonly 4 ft deep, temp and conductance are measured here (updated 04/04/23)
Boggs Fork drains an area of 36.6 sq miles in Harrison County. The flow at Piedmont is unrated, around 80 cfs and 4 ft deep. (updated 04/04/23)
Brushy Fork drains an area of 70 sq miles Harrison County.
Clear Fork drains an area of 23.3 square miles in Harrison County. Flow above Tappan Lake is unrated, common to see it 2ft deep, temp and conductance are measured here. (updated 04/04/23)
Public Drinking Water Advisories (2) confirmed ongoing as of May 26, 2023Glade Run Mennonite Church – Kensington – Carroll County – non-transient system serving less than 250 people from a groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
Legacy Christian School – Sugar Creek (Tuscarawas County) non-transient, non-community system serving less than 250 people from a groundwater source Do not consume advisory – sensitive populations – Lead exceeds standard Lead poses the greatest risk to young children and pregnant women. The CDC recommends children and pregnant women use bottled water or water from a filtration system that has been certified by an independent testing organization to reduce or eliminate lead for cooking, drinking and baby formula preparation.
Spills (4)
4b Wills Creek WatershedFlows: parts of Licking, Guernsey, Tuscarawas Counties
Wills Creek drains an area of 406 sq miles in Guernsey County, making a northward run and looping back down into the Muskingum system. The flow
Seneca Fork drains an area of 118 sq miles in Guernsey County before joining Wills Creek. The flow below Senecaville Dam near Senecaville is not rated, is usually around 350 cfs and 6 ft deep. (04-12-23)
South Fork drains an area of 28.3 sq miles in Noble County before entering Senecaville Lake. The flow above Senecaville Lake is unrated, 6.3 ft deep, temp and conductance are detected here (updated 04-12-23)
Beaver Creek drains an area of17 sq miles in Guernsey County before joining up with Wills Creek. The flow above Senecaville Lake is not rated, 4.5 ft deep, temp and conductance taken here (04-12-23)
Leatherwood Creek drains an area of 69.5 sq miles in Guernsey County. The flow near Kipling is not rated, is often flowing around the 65 cfs mark and 3 ft deep. (updated 04-12-23)
Low Flow (0)
Public Drinking Water Advisories (1) Confirmed ongoing as of May 26, 2023: Byesville Water System – Byesville – Guernsey County – community system serving 3, 301 to 10,000 persons from a groundwater source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.08538 mg/L during the July 1 to September 30, 2019 time period Spills (1)
4c Little Muskingum River WatershedFlows: parts of Washington, Noble, Monroe, Guernsey
Little Muskingum River drains an area of 210 sq miles of Washington County; normal flow at Bloomfield is 425 cfs and 4.5 ft deep. (04-12-23)
Duck Creek drains an area of 260 sq miles in Washington County. The flow below Whipple is unrated, around 400 cfs and 3 ft deep (flood stage 12 ft) (updated 04-12-23)
East Fork Duck Creek drains an area of 99.5 sq miles in Noble County. Flow near Harrietsville not rated, around 150 cfs and 4.5 ft deep, (flood stage 17 ft) (updated 04-12-23)
West Fork Duck Creek drains an area of 84.5 sq miles in Washington County. The flow at Macksburg is not rated, is often around 120 cfs and 7 ft deep (flood stage 13 ft) (updated 04-12-23) Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023Woodsfield Village Public Water Supply – Woodsfield – Monroe County – community system serving between 3,301 to 10,000 persons surface water source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.089 mg/L at DS201 for the April 1 to June 30, 2022 time period. MCL = 0.080 mg/l
Spills (0)
4d Mohican River WatershedFlows: catching parts of Richland and Ashland Counties
Clear Fork Mohican River drains an area of 115 sq miles in Richland County. The streamflow gage
Black Fork Mohican River drains an area of 217 sq miles in Richland County. The flow
Lake Fork drains an area of 271 sq miles in Ashland County. The flow below Mohicanville Dam at Mohicanville is commonly around 7.5 ft deep (flood stage 944 ft) (updated 04-12-23)
Rocky Fork drains an area of 66.7 sq miles of Richland County. The flow at Lucas is 4 ft deep. (updated 04-12-23)
Public Drinking Water Advisories (0)Spills (0)
4e Walhonding River WatershedFlows: parts of Knox, Morrow, Ashland, Richland, Coshocton, Holmes Counties
Walhonding River drains an area of 2191 sq miles in Coshocton County. The flow
Kokosing River drains an area of 202 sq miles in Knox County. At Mount Vernon station in Knox County, normal flow is around 350 cfs and 3.8ft deep (flood stage 14ft) (03/02/23)
Killbuck Creek drains an area of 464 sq miles in Holmes County. When the flow at Killbuck in Holmes County is above normal, we see 870 cfs and 11.5 ft deep (Flood Stage 15ft). (04-12-23) Public Drinking Water Advisories (3) confirmed ongoing as of May 26, 2023Lake Wapusun North Well Public Water System – Shreve (Wayne) Boil Water Advisory issued for the detected presence of e.coli in lab samples – non-community system serving 251 to 1000 people from a groundwater source
Holmes Cheese Co Public Water System – Millersburg (Holmes) - non-transient system serving less than 250 persons from a groundwater source Do not Drink advisory – contaminant manganese - Levels > 1 mg/L (Do Not Drink) Naturally present in the environment; additive in treatment of drinking water contaminants
Global Compression Services Public Water System (Knox) Monitoring and Reporting Advisory issued to for harmful algal bloom toxin - alert is issued by Ohio EPA- the public water system has provided insufficient monitoring or reporting information.Sensitive Population Advisory issued to Global Compression Services Public Water System for the inorganic chemical arsenic in excess of maximum contaminant level - groundwater supplied - non-transient - non-community system serving under 250 people - you do not need to use bottled water - if you have specific health concerns consult your doctor Spills (0)
4f Licking River WatershedFlows: parts of Licking County
Licking River drains an area of 537 sq miles of Licking County before joining the Muskingum River. The flow monitor
North Fork Licking River drains an area of 241 sq miles of Licking County;
South Fork Licking River drains an area of 133 sq miles of Licking County. The station
Raccoon Creek drains an area of 78.2 sq miles in Licking County. The flow
Public Drinking Water Advisories (1) confirmed ongoing as of May 26, 2023Columbia Gas of Ohio – Mount Vernon PWS – Mount Vernon – Knox County non-transient system serving <250 persons from groundwater source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor.
Spills (0)
4g Muskingum River WatershedFlows: Morgan, Washington, Noble, Muskingum, Coshocton Counties Muskingum River drains an area of 7947 sq miles.
Mill Creek drains an area of 27.2 sq miles in Coshocton County. Normal flow near Coshocton is around 35 cfs and 2 ft deep. (updated 04-12-23)
Wakatomika Creek drains an area of 140 sq miles in Muskingum County. Normal flow near Frazeyburg is around 240 cfs and 5.3 ft deep. (updated 04-12-23)
Salt Creek drains 75.7 sq miles of Muskingum County. Normal flow at Chandlersville is around 100 cfs and 4 ft deep. (updated 04-12-23) Public Drinking Water Advisories (2) Confirmed as of May 26, 2023Woodland Hills Estates – McConnelsville – Morgan County Boil Water Advisory issued by the Ohio EPA due to microbiological contamination with e.coli. This is a community water system serving less than 250 people from a groundwater source. Boil the water before using or use bottled water. E. coli are bacteria whose presence indicates that the water may be contaminated with human or animal wastes. Microbes in these wastes can cause diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a special health risk for infants, young children, and people with severely compromised immune systems.
Maysville Regional Water – Zanesville – Muskingum County – community system serving between 3301 to 10,000 persons from a surface water source Sensitive Population Advisory – Exceeds standards for Disinfection Byproducts – Trihalomethane - By-product of drinking water chlorination You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. Locational running annual average of 0.100 mg/L at DS201 and 0.120 mg/L at DS202 for the October 1 to December 31, 2022 time period. MCL = .08 mg/L
Spills (0)
5 Scioto River Watersheds5a Upper Scioto WatershedFlows: trickling over parts of Madison, Union, Franklin, Pickaway, Champaign, Logan, Marion, Delaware, Morrow, Crawford, Licking, Knox, Fairfield Counties Upper Scioto River drains an area of 980 sq miles in Marion and Delaware Counties. The flow
Mill Creek drains an area of 178 sq miles in Delaware County. The flow at Bellepoint has been monitored for 77 years equipment malfunction (02/02/23) Whetsone Creek drains an area of 37.9 sq miles in Morrow County. The flow at Mt. Gilead is unrated, it is usually around 30 cfs and 2.5 ft deep when other streams in the area are normal (flood stage 9 ft) (update 04-12-23) Big Walnut Creek drains an area of in Delaware County. The flow
Little Darby Creek drains an area of 162 sq miles in Madison County. The flow at West Jefferson is not rated, we see it around 240 cfs and 6.5 ft deep. (04-12-23) Big Darby Creek drains an area of 534 sq miles in Pickaway County. The streamflow gauge at Darbyville in normal flow conditions is around 650 cfs and 3.5 ft deep. (04-12-23) Hellbranch Run drains an area of 35.8 sq miles in Franklin County. The normal flow values at Harrisburg are around 30 cfs and 5 ft deep (04-12-23) Alum Creek drains an area of 189 sq miles in Delaware County. The flow
Olentangy River drains an area of 157 sq miles in Marion County, 393 sq miles by the time it reaches Delaware.
Low Flows (1)May 25 10:30 am EDT Alum Creek is flowing much below normal near Africa - stream depth is down to 1.17 ft and flow volume is 6.06 cubic feet per second
Public Drinking Water Advisories (8) confirmed ongoing as of May 26, 2023Galion City (Crawford, Morrow, Richland) community system serving 10,001 to 50,000 persons from surface water source Sensitive population advisory issued for exceeding maximum contaminant level trihalomethane; MCL = .08mg/L Locational running annual average of 0.083 mg/L at DS202 during the April 1 to June 30, 2023 time period. Warning statement for excess trihalomethane: Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer.
Greentree Mobile Home Park – Galloway (Madison County) community system serving less than 250 persons from groundwater source Boil Water Advisory issued due to system depressurization. Boil all water used for drinking, cooking and brushing teeth, a rolling boil for over one minute.
Oak Hills Mobile Home Park – Grove City (Franklin County) – community system serving between 251 and 1000 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical – arsenic Source - erosion of natural deposits; Runoff from orchards; Runoff from glass and electronics production wastes - MCL = 10 ug/l You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. The running annual average arsenic concentration for arsenic is 0.01 mg/L (11 ug/L) for the fourth quarter of 2022.
McDonalds Restaurant – London – Madison County – community system serving between 251 and 1000 persons from groundwater Sensitive Population Advisory – Exceeds standards for inorganic chemical – arsenic Source - erosion of natural deposits; Runoff from orchards; Runoff from glass and electronics production wastes - MCL = 10 ug/l You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor. 99.5 ug/L 90th %
Nex Transport – Building 1 S – East Liberty – Logan County – non-transient system serving less than 250 people from groundwater source Do Not Drink - Sensitive Populations – Lead Pregnant and nursing women and young children should not use the water Lead 90th percentile = 33.6 ug/L (individual lead results: 0.7, 2.5, 7.7, <0.6, 59.4 ug/L).
Trillium Farms – Croton – Licking County - non-transient system serving less than 250 people from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth.
Whispering Pines – Pataskala – Pickaway County – community system serving less than 250 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
Mt Victory Village – Mt Victory – Hardin County – community system serving between 251 and 1000 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
Spills (3)
5b Paint Creek WatershedFlows: parts of Clinton, Ross and Highland Counties Paint Creek drains an area of 249 sq miles in Clinton and Ross Counties. The flow
Rattlesnake Creek drains an area of 209 sq miles in Highland County. The flow at Centerfield is commonly 3 ft deep. (updated 04-12-23) Rocky Fork Creek drains an area of 140 sq miles in Highland County. The normal flow at Barretts Mills is 150 cfs and 2.7 ft deep. (04-12-23) Public Drinking Water Advisories (4) confirmed ongoing as of May 15, 2023Dollar General #20756 - Mount Sterling – Madison County – non-community system serving less than 250 persons from groundwater source Boil Water Advisory – microbiological contamination – e.coli Boil the water before using or use bottled water
Fayette Co – Culpepper Subdivision – Washington – Fayette County - community system serving between 251 and 1000 persons from purchased surface water Do Not Drink - Sensitive Populations – Lead – exceeds standard Pregnant and nursing women and young children should not use the water Action Level = 15 ug/l system test 0.0179 mg/L
Bowersville Village PWS – Bowersville – Greene County - community system serving between 251 and 1000 persons from purchased surface water Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
South Solon Village PWS – South Solon – Madison County - community system serving between 251 and 1000 persons from groundwater source Do Not Drink - Sensitive Populations – Lead – exceeds standard Pregnant and nursing women and young children should not use the water Action Level = 15 ug/l
Spills (0)
5c Lower Scioto WatershedFlows: Parts of Madison, Highland, Franklin, Pickaway, Ross and Pike counties
Scioto River (Lower) drains an area of 5836 sq miles from its headwaters in Marion County down to its outlet at the Ohio River.
Deer Creek drains an area of 228 sq miles in Madison County. The flow
Walnut Creek drains an area of 274 sq miles in Pickaway County. The flow at Ashville is unrated, around 250 cfs and 6 ft deep. (04-12-23)
Sunday Creek drains an area of 104 sq miles in Athens County before flowing south and west, joining the Lower Scioto. The flow
Public Drinking Water Advisories (2) confirmed ongoing as of May 26, 2023Cooks Creek Golf Club – Ashville – Pickaway County – non-community system serving less than 250 persons from groundwater source Boil Water Advisory – microbiological contamination – e.coli Boil the water before using or use bottled water MCL = confirmed presence E. coli
Clarksburg Village PWS – Clarksburg – Ross County - community system serving between 251 and 1000 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l The fluoride result for a sample collected on 1/5/2022 was 2.1 mg/L. Spills (0)
5d Little Scioto – Tygarts WatershedTygart’s Creek drains 242 sq miles in Greenup County flowing north to the Ohio River. Normal flow near Greenup, KY is 400 cfs and 4 ft deep. (03/21/23) Public Drinking Water Advisories (0)Spills (0)
6 Miami River Watersheds6a Upper Great Miami WatershedFlows: clearing parts of Hardin, Logan, Shelby, Miami, Darke, Clark and Montgomery Counties
Great Miami River (Upper) drains an area of 1149 sq miles in Hardin, Logan, Shelby, Miami and Darke and Montgomery Counties. The flow monitoring station closest to the head of the river is at Sidney, in Shelby County.
Loramie Creek drains an area of 257 sq miles in Shelby County. The flow
Bokengehalas Creek drains an area of 40.4 sq miles of Logan County. The station at de Graff is not rated, we see this around 30 cfs and 1.5 ft deep; (updated 04/04/23) Mad River drains a combined area of 635 sq miles in Clark, Champaign, Greene and Logan Counties. Flow
Greenville Creek drains an area of 193 sq miles in Warren and Darke Counties. Normal flow near Bradford is 90 cfs and 1.8 ft deep. (updated 04/04//23) Stillwater River drains an area of 503 sq miles in Miami County. The flow
Public Drinking Water Advisories (3) confirmed ongoing as of May 26, 2023
Liberty Baptist Temple PWS – Springfield – Clark County - non-community system serving less than 250 persons from groundwater source Boil Water Advisory – microbiological contamination – e.coli Boil the water before using or use bottled water MCL = confirmed presence E. coli
Voyager Village Mobile Home Park – Dayton – Montgomery County - community system serving less than 250 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical - fluoride Children under nine should be provided with alternative sources of drinking water or water that has been treated to remove fluoride in order to lessen the risk of cosmetic discoloration of their permanent teeth. MCL = 4 mg/l and Secondary MCL = 2 mg/l
Village of South Vienna – South Vienna – Clark County - community system serving between 251 and 1000 persons from groundwater source Sensitive Population Advisory – Exceeds standards for inorganic chemical – arsenic Source - erosion of natural deposits; Runoff from orchards; Runoff from glass and electronics production wastes - MCL = 10 ug/l You do not need to use an alternative (e.g. bottled) water supply. However, if you have specific health concerns, consult your doctor.
Spills (0)
6b Lower Great Miami WatershedsFlows: take off from Hamilton, Montgomery, Preble and Butler Counties Great Miami River drains an area of 3838 sq miles in Ohio, with the lower portion taking runoff from 1400 sq miles in Hamilton and Butler Counties.
Wolf Creek drains an area of 68.7 sq miles in Montgomery County into the Great Miami River. Normal flow at Dayton is around 35 cfs and 1.4 ft deep (updated 04-18-23) Holes Creek drains an area of 18.7 sq miles in Montgomery County into the Great Miami River. The flow near Kettering is unrated, around 5 cfs and 2.5 ft deep. (updated 04-18-23) Twin Creek drains an area of 275 sq miles of Montgomery County into the Great Miami River. Normal flow near Germantown is around 120 cfs 1.8 ft deep (flood stage 62 ft). (updated 04-18-23) Sevenmile Creek drains 69 sq miles of Preble County into the Great Miami River. Normal flow at Camden is 40 cfs and 3 ft deep. (updated 04-18-23)
Public Drinking Water Advisories (0)
Spills (3)
6c Little Miami WatershedFlows: sending water from Clark, Clermont, Warren and Greene Counties <img src="/images/ws-little-miami.jpg"> Little Miami River drains an area of 1203 sq miles in Clark and Greene Counties. The flow
East Fork Little Miami River drains an area of 476 sq miles in Clermont County. Flow
Massies Creek drains an area of 63.2 sq miles in Greene County into the Little Miami River. When the flow monitoring station at Wilberforce is normal, we see values of 60 cfs and 3 ft deep. (updated 03/02/23) Caesar Creek drains an area of 239 sq miles in Warren County into the Little Miami River. The flow near Wellman is unrated, 6.8 ft deep, temperature is monitored here (updated 04-12-23) O’Bannon Creek drains an area of 54 sq miles in Clermont County. The flow at Loveland is unrated, we see it around 20 cfs and 1.3 ft deep when conditions upstream are normal (updated 04-12-23)
Low Flows (1)May 25 10:30 am EDT Little Miami River is flowing much below normal at Milford - flow depth is 5.33 ft at 270 cubic feet per second
Public Drinking Water Advisories (0)
Spills (4)
Report Key With the Flow Ohio tracks trends in your watershed, posting updates from USGS WaterWatch Current Streamflow and Ohio EPA Division of Drinking and Ground Waters, Ohio Beachguard (seasonally). Flows:With The Flow describes Ohio’s rivers and tributaries from headwaters to outlet. Locate your “home body” (the river or stream nearest you) to see where the flow originates, how high it has to be for minor flooding to occur. Log in to USGS Waterwatch current streamflow for real time measurements at the monitoring station nearest you and sign up there for high flow alerts. Flow volume can change rapidly during snowmelt and rain events. Streamflow data is subject to review as sensors at the monitoring stations do malfunction from time to time. Refer to USGS Provisional Date Statement for more information. Public Drinking Water AdvisoriesThe Safe Drinking Water Act (SDWA) is federal law that safeguards the public drinking water supply. SDWA requires drinking water facilities (DWF) in every state follow national quality standards, monitor, record and report on water quality with quarterly inspections. EPA provides public access to the inspection reports, violations and enforcement actions on all registered DWFs in the USA. Annual water quality reports are required from every DWF, available from the facility, describing the treatment process and source water.DWFs are categorized as follows:- community system serves the same people year round- Non-transient, Non-Community – supplies water to at least 25 of the same people at least six months of the year
Note from Ohio EPA: “Boil advisories that are on record with Ohio EPA often are related to exceedances of E.coli maximum contaminant levels (MCL) at public water systems, or other major events. Staff in Ohio EPA’s district offices update (public drinking water) advisories at least monthly. Many of the advisories are based on sampling results that occur monthly, quarterly, semi-annually, or less frequently, depending on the requirements of state and federal drinking water regulations. All advisories, including those involving more immediate health risks such as boil advisories, are required to be communicated directly to consumers by the individual public water systems. When a boil advisory is not required by rule, a public water system will issue a precautionary boil advisory and the public water system would not be required to submit it to Ohio EPA. Ohio EPA does not have a record of all (or even most) boil advisories for Ohio public water systems.” (Dina Pierce, spokesperson for Ohio EPA)
Hazardous SpillsSpills, fish kills, rainbow sheen and releases of contaminants in the state of Ohio are reported here by watershed, as per the data source, the Ohio Environmental Protection Agency, Office of Environmental Response. Users of this data should be aware that inconsistencies and inaccuracies may exist if these data are compared to data from other time periods due to changes in methods of data collection and mapping.
This report includes spills reported to the Ohio EPA as follows:
Spills marked with asterisk are followed up with Ohio EPA authorities for additional information on the clean-up and recovery, including notices of violation and charges under State environmental statutes, federal charges under the Clean Water Act. See Ohio CrimeBox for more information on criminal prosecutions under the CWA.
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