MONROE, OH · Butler County
MONROE CITY PWS Water System
Consumer Confidence Report status
MONROE 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 MONROE 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)
- OH0902012
- System type
- Community Water System
- Population served
- 15,600
- Service connections
- 4,536
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
MONROE CITY PWS is one of 180 community water systems in Ohio in the 10,001 to 100,000 people size category, serving 15,600 people from surface water.
As of August 1, 2026, its federal record holds 27 entries between 1993 and 2025, of which 1 remains open; none are health-based.
Of the 27, 24 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 the Stage 2 Disinfectants and Disinfection Byproducts Rule, inorganic chemicals, and the Total Coliform Rules.
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
May 14, 2025 – May 30, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2024 – March 31, 2024
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2024 – March 31, 2024
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2022 – June 30, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2022 – June 30, 2022
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
November 2, 2021
UnaddressedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2019 – June 30, 2019
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 2016 – February 29, 2016
ArchivedLead Consumer Notice
—Lead and Copper Rule
December 31, 2011 – February 14, 2012
ResolvedFailure Submit IDSE/Subpart V Plan Rpt
—Stage 2 Disinfectants and Disinfection Byproducts Rule
October 1, 2011 – November 10, 2011
ResolvedMonitoring, Regular
—Arsenic
April 1, 2011 – June 30, 2011
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2008 – October 31, 2008
ResolvedMonitoring, Regular
—Arsenic
July 1, 2008 – September 30, 2008
ResolvedMonitoring, Regular
—Arsenic
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Arsenic
July 1, 2006 – September 30, 2006
ResolvedMonitoring, Regular
—Arsenic
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 2005 – September 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
ResolvedMonitoring and Reporting (DBP)
—TTHM
July 1, 2004 – September 30, 2004
ArchivedMonitoring, Regular
—Methoxychlor
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—Nitrate
January 1, 1994 – June 30, 1994
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 14, 2025 – May 30, 2025 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2024 – March 31, 2024 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| November 2, 2021 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| February 1, 2016 – February 29, 2016 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| December 31, 2011 – February 14, 2012 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2011 – November 10, 2011 | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | — | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring, Regular | Arsenic | — | Resolved |
| October 1, 2008 – October 31, 2008 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2008 – September 30, 2008 | Monitoring, Regular | Arsenic | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Arsenic | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Arsenic | — | Resolved |
| September 1, 2005 – September 30, 2005 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | TTHM | — | Archived |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1997 – March 31, 1997 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1994 – June 30, 1994 | Monitoring, Regular | Nitrate | — | Resolved |
| November 1, 1993 – November 30, 1993 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 2, 2025State Violation/Reminder Notice2 linked violations
- July 1, 2025State Public Notification received3 linked violations
- May 13, 2024State Public Notification requested3 linked violations
- May 2, 2024State Compliance achieved3 linked violations
- May 23, 2023State Public Notification received4 linked violations
- August 4, 2022State Compliance achieved3 linked violations
- April 30, 2020State Public Notification received3 linked violations
- June 25, 2010Federal Compliance achieved3 linked violations
- May 19, 2009Federal Final Administrative Order issued3 linked violations
Common questions
Is MONROE CITY PWS required to publish a Consumer Confidence Report?
- Yes. MONROE 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 MONROE CITY PWS’s next Consumer Confidence Report due?
- MONROE CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MONROE CITY PWS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for MONROE 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
MCNUTT, ZACHARY
513-500-9181
MONROE, OH 45050