  
7/16/2025
Sarah Thiessen
 Got water questions? Give us a call at 877-52-WATER (877-529-2837), or email us at info@wtoh.us
Monday, June 23, 2025 153 pm EDT updated Tuesday, July 15 2025 9:14 pm EDT
BWA lifted
July 14 2025 Hamilton County - The Greater Cincinnati Water Works issued a precautionary BWA for areas of Lawyer Rd. On July 15th the BWA was lifted.
Drinking Water Facility: Cincinnati Public Water System
Owner: local government
Location: Cincinnati, OH
County: Hamilton
Watershed: Little Miami Watershed
Active Permit: OH3102612
Activity Date: December 31, 1900
System Type: community water system
Population Served: 750200
Connections: 244716
Source: surface water
From the 2024 Annual Water Quality Report:
"GCWW supplies water from two sources: the Ohio River and the Great Miami Buried Valley Aquifer (GMBVA). Surface water from the Ohio River is treated at the Richard Miller Treatment Plant. This plant, located on the east side of Hamilton County, supplies about 88% of drinking water to GCWW’s customers. The Charles M. Bolton Treatment Plant treats groundwater from 13 wells in the GMBVA. It is located in the southern part of Butler County and supplies about 12% of drinking water to GCWW customers. "
Admin Contact: Andrea Yang, 513-591-7700
Latest Compliance Inspection: Sanitary survey, complete December 5 2024(State)
No Deficiencies or Recommendations
The following information gathered from federal EPA pertains to the quarter ending December 31, 2024 (data last refreshed on EPA database June 17, 2025)
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Non-compliant inspections
(of the previous 12 quarters)
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with Significant Violations
(of the previous 12 quarters)
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Informal
Enforcement Actions
(last 5 yrs)
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Formal
Enforcement Actions
(last 5 years)
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0 out of 12
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0 out of 12
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-
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-
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No Violation Identified
See the latest WTOH.us Serious Violators List, here.
See more Ohio Drinking Water Facility Profiles, here.
*Note that drinking water information provided on this site is aggregated from the federal EPA database, state resources and local government sources where available.
EPA publishes violation and enforcement data quarterly, based on the inspection reports of the previous quarter. Water systems, states and EPA take up to three months to verify this data is accurate and complete.
Specific questions about your local water supply should be directed to the facility.
The EPA safe drinking water facilities data available to the public presents what is known to the government based upon the most recently available information for more than one million regulated facilities. EPA and states inspect a percentage of facilities each year, but many facilities, particularly smaller ones, may not have received a recent inspection. It is possible that facilities do have violations that have not yet been discovered, thus are shown as compliant in the system.
EPA cannot positively state that facilities without violations shown in ECHO are necessarily fully compliant with environmental laws. Additionally, some violations at smaller facilities do not need to be reported from the states to EPA. If ECHO shows a recent inspection and the facility is shown with no violations identified, users of the ECHO site can be more confident that the facility is in compliance with federal programs.
The compliance status of smaller facilities that have not had recent inspections or review by EPA or the states may be unknown or only available via state data systems.
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