TRENTON, OH · Butler County
TRENTON CITY PWS Water System
Consumer Confidence Report status
TRENTON CITY PWS 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 1 item for TRENTON CITY PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- OH0903012
- System type
- Community Water System
- Population served
- 13,012
- Service connections
- 4,618
- Ownership
- local government
- Water source
- groundwater (wells)
TRENTON CITY PWS is one of 180 community water systems in Ohio in the 10,001 to 100,000 people size category, serving 13,012 people from groundwater.
As of August 1, 2026, its federal record holds 14 entries between 1986 and 2024, of which 1 remains open; none are health-based.
Of the 14, 10 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Consumer Confidence Rule, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
December 30, 2024 – June 27, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
November 30, 2018
UnaddressedMonitoring, Regular
—Nitrate
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2001 – March 14, 2001
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2000 – October 31, 2000
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
March 1, 1994 – March 31, 1994
ResolvedMonitoring, Regular
—Fluoride
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Mercury
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Nitrate
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Selenium
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Chromium
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Cadmium
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Barium
September 25, 1986 – September 24, 1989
ResolvedMonitoring, Regular
—Arsenic
September 25, 1986 – September 24, 1989
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 30, 2024 – June 27, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| November 30, 2018 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2001 – March 14, 2001 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 2000 – October 31, 2000 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 1, 1994 – March 31, 1994 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Fluoride | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Mercury | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Nitrate | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Selenium | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Chromium | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Cadmium | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Barium | — | Resolved |
| September 25, 1986 – September 24, 1989 | Monitoring, Regular | Arsenic | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet
Enforcement actions
- June 27, 2025State Compliance achieved1 linked violation
- April 19, 2007State Compliance achieved9 linked violations
- April 18, 2007State Compliance achieved56 linked violations
- March 9, 1990State Public Notification received8 linked violations
- January 25, 1990State Compliance achieved8 linked violations
- January 12, 1990State Formal Notice of Violation issued8 linked violations
Common questions
Is TRENTON CITY PWS required to publish a Consumer Confidence Report?
- Yes. TRENTON CITY PWS 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 TRENTON CITY PWS’s next Consumer Confidence Report due?
- TRENTON CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TRENTON CITY PWS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for TRENTON CITY PWS that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
NICHOLS, MARCOS
513-988-6304
TRENTON, OH 45067