CINCINNATI, OH · Hamilton County
CINCINNATI PUBLIC WATER SYSTEM Water System
Consumer Confidence Report status
CINCINNATI PUBLIC WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CINCINNATI PUBLIC WATER SYSTEM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.
System facts
- System ID (PWSID)
- OH3102612
- System type
- Community Water System
- Population served
- 750,200
- Service connections
- 244,716
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CINCINNATI PUBLIC WATER SYSTEM is the third largest community water system in Ohio, serving 750,200 people from surface water.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is CINCINNATI PUBLIC WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. CINCINNATI PUBLIC WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CINCINNATI PUBLIC WATER SYSTEM’s next Consumer Confidence Report due?
- CINCINNATI PUBLIC WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CINCINNATI PUBLIC WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CINCINNATI PUBLIC WATER SYSTEM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
YANG, ANDREA
513-591-7968
CINCINNATI, OH 45230