SHELBY, OH · Richland County

SHELBY CITY 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): OH7004511
System type: Community Water System
Population served: 9,453
Service connections: 4,231
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
November 29, 2018
Unaddressed
Monitoring, Source Water (LT2)
—
E. COLI
July 1, 2018 – July 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Nitrate
October 1, 2005 – October 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2004 – December 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2004 – September 30, 2004
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 1997 – October 31, 1997
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 1997 – September 30, 1997
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
August 1, 1997 – August 31, 1997
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1997 – July 31, 1997
Resolved
Monitoring, Regular
—
Arsenic
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Mercury
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Fluoride
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
CYANIDE
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Chromium
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Beryllium, Total
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Barium
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Thallium, Total
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Selenium
July 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Nickel
July 1, 1993 – December 31, 1993
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 1991 – October 31, 1991
Resolved
Monitoring, Regular
—
Cadmium
November 1, 1985 – April 30, 1989
Archived
Monitoring, Regular
—
Mercury
November 1, 1985 – April 30, 1989
Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
November 29, 2018	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2018 – July 31, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2005 – October 31, 2005	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 1997 – October 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
September 1, 1997 – September 30, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
August 1, 1997 – August 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1997 – July 31, 1997	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Arsenic	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Mercury	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Fluoride	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	CYANIDE	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Chromium	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Beryllium, Total	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Barium	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Thallium, Total	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Selenium	—	Resolved
July 1, 1993 – December 31, 1993	Monitoring, Regular	Nickel	—	Resolved
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1991 – October 31, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1991 – October 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1991 – October 31, 1991	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1985 – April 30, 1989	Monitoring, Regular	Cadmium	—	Archived
November 1, 1985 – April 30, 1989	Monitoring, Regular	Mercury	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 4, 2018State Violation/Reminder Notice1 linked violation
October 3, 2018State Compliance achieved2 linked violations
April 2, 2007State Public Notification received2 linked violations
February 21, 2007State Compliance achieved13 linked violations
January 26, 2007State Violation/Reminder Notice3 linked violations
January 26, 2007State Public Notification requested1 linked violation
January 3, 2007State Public Notification received2 linked violations
December 4, 2006State Public Notification requested1 linked violation
October 30, 2006State Bilateral Compliance Agreement signed31 linked violations
October 2, 2006State Public Notification received2 linked violations
March 10, 2006State Public Notification requested3 linked violations
March 10, 2006State Violation/Reminder Notice4 linked violations
April 5, 2005State Public Notification received6 linked violations
April 29, 1986State Violation/Reminder Notice9 linked violations

Contact

ENSMAN, JOHN

419-342-4085

SHELBY, OH 44875-1280