DEFIANCE, OH · Defiance County

AYERSVILLE WATER AND SEWER DISTRICT 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): OH2000903
System type: Community Water System
Population served: 2,372
Service connections: 628
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 31, 2024 – June 24, 2025
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2022 – September 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 31, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2021 – June 30, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2020 – March 31, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2018 – December 31, 2018
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
September 13, 2018
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2018 – September 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2018 – June 30, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2017 – June 30, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2016 – December 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2014 – June 30, 2014
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
January 1, 2006 – July 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2005 – July 2, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2004 – June 30, 2004
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1999 – July 5, 2002
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
July 31, 2024 – June 24, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
September 13, 2018	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Unaddressed
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2006 – July 30, 2013	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – July 2, 2007	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	TTHM	—	Archived
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 1999 – July 5, 2002	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	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

June 24, 2025State Compliance achieved6 linked violations
July 31, 2024State Violation/Reminder Notice1 linked violation
October 13, 2022State Compliance achieved6 linked violations
August 29, 2022State Public Notification received2 linked violations
August 8, 2022State Public Notification requested1 linked violation
August 8, 2022State Violation/Reminder Notice1 linked violation
June 3, 2022State Public Notification received1 linked violation
May 11, 2022State Violation/Reminder Notice1 linked violation
May 11, 2022State Public Notification requested1 linked violation
February 25, 2022State Public Notification received1 linked violation
February 7, 2022State Violation/Reminder Notice1 linked violation
February 7, 2022State Public Notification requested1 linked violation
December 3, 2021State Public Notification received1 linked violation
November 15, 2021State Violation/Reminder Notice1 linked violation
November 15, 2021State Public Notification requested1 linked violation
August 20, 2021State Public Notification received1 linked violation
August 9, 2021State Public Notification requested1 linked violation
August 9, 2021State Violation/Reminder Notice1 linked violation
May 20, 2021State Public Notification received1 linked violation
May 17, 2021State Violation/Reminder Notice1 linked violation
May 17, 2021State Public Notification requested1 linked violation
April 8, 2020State Compliance achieved15 linked violations
February 20, 2020State Compliance achieved1 linked violation
February 14, 2020State Public Notification received1 linked violation
February 10, 2020State Public Notification requested1 linked violation
February 10, 2020State Violation/Reminder Notice1 linked violation
January 13, 2020State Violation/Reminder Notice1 linked violation
November 15, 2019State Public Notification received1 linked violation
November 13, 2019State Public Notification requested1 linked violation
November 13, 2019State Violation/Reminder Notice1 linked violation
August 13, 2019State Public Notification requested1 linked violation
August 13, 2019State Violation/Reminder Notice1 linked violation
August 2, 2019State Public Notification received1 linked violation
June 6, 2019State Public Notification received1 linked violation
June 6, 2019State Public Notification received1 linked violation
May 13, 2019State Public Notification requested1 linked violation
May 13, 2019State Violation/Reminder Notice1 linked violation
February 12, 2019State Violation/Reminder Notice2 linked violations
November 14, 2018State Violation/Reminder Notice2 linked violations
November 1, 2018State Violation/Reminder Notice2 linked violations
August 14, 2018State Violation/Reminder Notice2 linked violations
May 14, 2018State Public Notification requested2 linked violations
March 12, 2018State Public Notification received2 linked violations
February 13, 2018State Violation/Reminder Notice2 linked violations
January 9, 2018State Administrative/Compliance Order without penalty issued26 linked violations
November 14, 2017State Public Notification requested2 linked violations
August 22, 2017State Public Notification received2 linked violations
August 15, 2017State Violation/Reminder Notice2 linked violations
May 18, 2017State Public Notification requested2 linked violations
May 18, 2017State Violation/Reminder Notice1 linked violation
February 22, 2017State Public Notification received1 linked violation
February 16, 2017State Public Notification requested2 linked violations
November 30, 2016State Public Notification received2 linked violations
September 20, 2016State Public Notification received2 linked violations
August 17, 2016State Violation/Reminder Notice2 linked violations
August 21, 2014State Public Notification requested3 linked violations
July 17, 2014State Compliance achieved5 linked violations
May 20, 2014State Public Notification requested3 linked violations
July 30, 2013State Intentional no-action2 linked violations
November 10, 2010Federal Compliance achieved3 linked violations
February 12, 2010Federal Final Administrative Order issued3 linked violations
June 30, 2008State Compliance achieved2 linked violations
March 10, 2006State Violation/Reminder Notice5 linked violations
September 7, 2004State Compliance achieved59 linked violations
November 26, 1985State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

WENZINGER, ERIC

419-395-1733

DEFIANCE, OH 43512-6985