MARYSVILLE, OH · Union County

MARYSVILLE CITY PWS Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

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, Regular
—
Simazine
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
LASSO
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Regular
—
Atrazine
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
LASSO
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Simazine
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
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1997 – April 30, 1997
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Fluoride
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, 2005 – July 31, 2005	Monitoring, Regular	Simazine	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Regular	LASSO	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Regular	Atrazine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	Atrazine	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	LASSO	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Regular	Simazine	—	Resolved
May 1, 2001 – July 31, 2001	Monitoring, Regular	LASSO	—	Resolved
May 1, 2001 – July 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
April 1, 1997 – April 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1996 – December 31, 1996	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1996 – December 31, 1996	Monitoring, Regular	Fluoride	—	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 Public Notification requested4 linked violations
September 7, 2011State Compliance achieved6 linked violations
June 16, 2009State Public Notification received27 linked violations
August 10, 2008State Violation/Reminder Notice25 linked violations
October 14, 2005State Public Notification requested138 linked violations

Contact

SHEPPEARD, SCOTT A

937-645-7330

MARYSVILLE, OH 43040