Is MARYSVILLE CITY PWS required to publish a Consumer Confidence Report?

Yes. MARYSVILLE 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 MARYSVILLE CITY PWS’s next Consumer Confidence Report due?

MARYSVILLE CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

MARYSVILLE, OH · Union County

MARYSVILLE CITY PWS Water System

Consumer Confidence Report status

MARYSVILLE 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 MARYSVILLE 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): OH8000314
System type: Community Water System
Population served: 25,571
Service connections: 11,520
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

MARYSVILLE CITY PWS is one of 180 community water systems in Ohio in the 10,001 to 100,000 people size category, serving 25,571 people from surface water.

As of August 1, 2026, its federal record holds 27 entries between 1992 and 2025, of which 1 remains open; none are health-based.

Of the 27, 12 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 Surface Water Treatment Rules, synthetic organic chemicals, and the Lead and Copper Rule.

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025 – November 19, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
December 30, 2019
Unaddressed
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Regular
—
Simazine
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
LASSO
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
Simazine
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Atrazine
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
LASSO
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
LASSO
May 1, 2001 – July 31, 2001
Resolved
Monitoring, Regular
—
Atrazine
May 1, 2001 – July 31, 2001
Resolved
Monitoring, Regular
—
Simazine
May 1, 2001 – July 31, 2001
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1996 – December 31, 1996
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 1994 – June 30, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
May 1, 1994 – May 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1994 – April 30, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1994 – March 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 1, 1994 – February 28, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1993 – November 30, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1993 – October 31, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1993 – September 30, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1993 – August 31, 1993
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
July 2, 2025 – November 19, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Resolved
December 30, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
January 1, 2011 – March 31, 2011	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
July 1, 2008 – July 31, 2008	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Regular	Simazine	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Regular	LASSO	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	Simazine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	Atrazine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	LASSO	—	Resolved
May 1, 2001 – July 31, 2001	Monitoring, Regular	LASSO	—	Resolved
May 1, 2001 – July 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
May 1, 2001 – July 31, 2001	Monitoring, Regular	Simazine	—	Resolved
July 1, 1996 – December 31, 1996	Monitoring, Regular	Arsenic	—	Resolved
June 1, 1994 – June 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
May 1, 1994 – May 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 1994 – April 30, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
March 1, 1994 – March 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
February 1, 1994 – February 28, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 1994 – January 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
December 1, 1993 – December 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
November 1, 1993 – November 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
October 1, 1993 – October 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 1993 – September 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 1993 – August 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1993 – July 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 1992 – April 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

October 21, 2025State Violation/Reminder Notice3 linked violations

Common questions

Is MARYSVILLE CITY PWS required to publish a Consumer Confidence Report?: Yes. MARYSVILLE 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 MARYSVILLE CITY PWS’s next Consumer Confidence Report due?: MARYSVILLE CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MARYSVILLE CITY PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for MARYSVILLE 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

SHEPPEARD, SCOTT A

937-645-7330

MARYSVILLE, OH 43040