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Public water system record

Wilmington City PWS

Serves Wilmington, Clinton County, OH · 12,401 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Wilmington City PWS in the last ten years.

  • OH1401211
  • WILMINGTON
  • OH
  • 12,401 served

System profile

Source water Surface water
ZIP 45177
EPA system ID OH1401211

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Wilmington City PWS draws water from 4 surface water intakes.
  • Most recent formal enforcement: compliance order (no penalty) by Ohio, February 1995.
  • Record on file since 1985, with 26 health-based violations before October 19, 2016.
  • Lead pipe inventory: 161 lead and 2,822 unknown out of 5,145 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Consumer Confidence Rule
OTHER
 Dec 19, 2024 Resolved

Full record since 1985

EPA's records for Wilmington City PWS go back to 1985. Before October 19, 2016 they list 26 health-based violations (26 resolved) and 10 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 8
1990s 24 0
2000s 0 1
2010 to October 18, 2016 2 1
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2014, Resolved.

Show all 26 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2013 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1999 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Feb 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1995 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Dec 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Nov 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Oct 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 May 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Apr 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Mar 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Feb 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1994 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Dec 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Nov 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Oct 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Sep 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jul 1, 1993 Resolved

Enforcement actions

Ohio regulators took 1 formal enforcement action against Wilmington City PWS in 1995. The most recent was a compliance order (no penalty) in February 1995.

Date By Action Violations covered
Feb 17, 1995 Ohio Compliance order (no penalty) 16 violations (16 health-based): Surface Water Treatment Rule

Where the water comes from

Wilmington City PWS draws water from 4 surface water intakes.

Annual water quality report

Wilmington City PWS must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Ohio.

Certified drinking water labs by state EPA guidance for private wells