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WT Staff

Streamflow Situation
From the network of USGS streamflow monitors in Ohio
Back to normal streamflows in central Ohio

July 7 425 pm EDT

Streamflows have picked up across central Ohio over the past few days, currently running closer to seasonal normal levels through most of the monitors in Scioto and Muskingum River basins. The Great Miami basin still has significant number of sites reporting below normal Sunday. The highest flows in Ohio are found in tributaries of the upper Muskingum River basin, Killbuck Creek recording the high end of above normal rating at 89th percentile. The lowest flow recorded Sunday is 2nd percentile in an Ohio River minor tributary in the southeast, Wheeling Creek still carrying the low rating below Blaine. As of this report, there are no active flood events recorded in the network, no extreme high or extreme low 1st percentile flows.

Active flooding:
0 streamflow gauges report above flood stage

Flows above 99th percentile
0 streamflow gauges record above the 99th percentile or action stage:

Drought and low flow from the USGS WaterWatch seven-day average streamflow compared with historic streamflow

0 USGS gauges recording 1st percentile or lower

Moderate drought rated area:
  • Scioto River basin Paint Creek watershed
  • Middle Ohio River minor tributaries Laughery watershed - Hamilton County
Below normal rated area includes:
  • Muskingum River basin - Hocking, Licking, Wills Creek watersheds
  • Upper Ohio River minor tributaries Little Beaver Creek, Wheeling watersheds
  • Great Miami River basin - Upper Great Miami, Little Miami River watersheds

WTOH.us tracks current streamflow conditions with an eye to the impacts on drinking water supply and quality in 32 watersheds of the state's 5 drainage basins. Check the watershed layer on the map to see the high and low streamflows that may be impacting drinking water water in Ohio today.

As sourced from USGS Waterwatch Current Streamflow


What is the difference between a Flood Watch and a Flood Warning issued by the National Weather Service?
  • Flash Flood Warning: Take Action!†A Flash Flood Warning is issued when a flash flood is imminent or occurring. If you are in a flood prone area move immediately to high ground. A flash flood is a sudden violent flood that can take from minutes to hours to develop. It is even possible to experience a flash flood in areas not immediately receiving rain.

  • Flood Warning: Take Action!†

    A Flood Warning is issued when the hazardous weather event is imminent or already happening. A Flood Warning is issued when flooding is imminent or occurring.

  • Flood Advisory: Be Aware:

    A Flood Advisory is issued when a specific weather event that is forecast to occur may become a nuisance.

    A Flood Advisory is issued when flooding is not expected to be bad enough to issue a warning. However, it may cause significant inconvenience, and if caution is not exercised, it could lead to situations that may threaten life and/or property.

  • Flood Watch: Be Prepared:

    • A Flood Watch is issued when conditions are favorable for a specific hazardous weather event to occur.
    • Flood Watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.

    Be prepared, stay safe through flood events

    Did you know
    • 6 inches deep moving water can knock an adult down
    • 12 inches deep flowing water can carry a car away!
    • (From ready.gov)

      Stay safe during flood events, watch for flood alerts in your area, here in BLACK.

      Avoid driving into flooded areas, and take caution trying to drive out of a flood zone.

      Avoid using bridges over high flowing rivers.

      If possible, move to higher ground, get uphill, or move to a higher floor in your building or home,

      leaving yourself an exit to the roof if necessary. Do not become trapped in an attic!

      Keep dry food, bottled water, flashlight and extra batteries, cell phone charger packed in go bags for all of your household and pets.

      Have flotation devices accessible for every member of your household in case you need to evacuate on foot.

      If you must drive to get out of a flood zone,

      have a high-quality window breaking/seatbelt cutting device in your vehicle, secured to your rearview mirror for fast retrieval.

      You may not be able to reach your carís glove box in an emergency situation.

      The contents of seat and door storage compartments and center console may become displaced in an emergency,

      causing you to lose track of items that are not secured.

      Even if your vehicle has rolled or tipped over, as long as you are still belted in, you should be able to reach the rear-view mirror to retrieve your emergency tool.

      Keep your seatbelt on until the vehicle has made impact with the water body. †It will often float on the surface for a short time.

      There is time to get out through an open side window.† Act calmly, deliberately and quickly, without hesitation.

      Use your tool to cut your seatbelt if the buckle will not release in the normal way.

      Use your window breaking device toward a corner of your side window to break the safety glass.†

      Attempting to break the window at the center may not work.

      Windshields and rear windows are reinforced and will not break as easily as the side windows.

      If your vehicle is in any danger of becoming submerged, you need to get out before it goes underwater.

      Submerged vehicles may roll over or invert underwater, disorienting you and others inside.†

      Get familiar with your local streams and rivers, know your normal flow levels and check the USGS Waterwatch Current Streamflow for the real time flow volume and depth.

      Click here for the monitoring sites upstream and downstream nearest your home.

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