WILMINGTON WWTP

Address

475 S NELSON AVE
WILMINGTON, OH 45177
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County

CLINTON County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

2 · last Mar 27, 2025

Total Penalties

$0

Registry ID

110000760686

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

4

Water (CWA)
Qtrs Non-Compliant

0

Hazardous Waste (RCRA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Biosolids - Land Application: Pollutant Limit Ceiling Violation	Oct 27, 2025	—	Open
cwa	Biosolids: Other Management Practice Violation	Oct 27, 2025	—	Open
cwa	Schedule Event reported late	Mar 1, 2024	—	Open
cwa	Schedule Event unachieved and not reported	Mar 1, 2024	Dec 27, 2024	Resolved
cwa	Schedule Event unachieved but reported	Mar 1, 2024	Dec 27, 2024	Resolved
cwa	Schedule Event achieved late but reported	Mar 1, 2024	—	Open
cwa	Schedule Event reported late	Mar 1, 2023	—	Open
cwa	Schedule Event achieved late but reported	Mar 1, 2023	—	Open
cwa	Schedule Event unachieved and not reported	Sep 1, 2022	Mar 31, 2023	Resolved
cwa	Schedule Event reported late	Sep 1, 2022	—	Open
cwa	Schedule Event achieved late but reported	Sep 1, 2022	—	Open
cwa	Schedule Event unachieved but reported	Sep 1, 2022	Mar 30, 2023	Resolved
cwa	Schedule Event achieved late but reported	Jan 1, 2011	—	Open
cwa	Schedule Event reported late	Jan 1, 2011	—	Open
cwa	Schedule Event achieved late but reported	Jan 1, 2006	—	Open
cwa	Schedule Event achieved late but reported	Nov 1, 2005	—	Open
cwa	Schedule Event unachieved and not reported	Nov 1, 2005	Feb 2, 2006	Resolved
cwa	Management Practice Violations - Failure to Conduct Inspections	Jun 19, 1990	Jun 11, 1991	Resolved
cwa	Permit Violations - Violation Specified in Comment	Aug 19, 1989	Jun 11, 1991	Resolved
cwa	Pretreatment - Failure to Enforce Against I/U	Sep 30, 1987	Jan 26, 1989	Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
E. coli, MTEC-MF	DMR, Limited - Numeric Violation	460.00 MPN/100mL	362.00	+27%	Jun 2021	Open
Molybdenum, sludge, total, dry weight [as Mo]	DMR, Limited - Numeric Violation	80.60 mg/L	75.00	+7%	Dec 2020	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	80.10 kg/d	40.00	+100%	Feb 2019	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	31.10 kg/d	26.00	+20%	Feb 2019	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

Administrative - Formal

· Case 05-1996-0598

$0

State CWA Non Penalty AO

Clean Water Act · Case OH-N00005396 · Sep 3, 1992

State CWA Non Penalty AO

Clean Water Act · Case OH-N00002901 · Feb 28, 1991

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