LAKE MILLS WASTEWATER TREATMENT FACILITY

Address

MARINE ROAD
LAKE MILLS, WI 53551
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County

JEFFERSON County

Total Penalties

$0

Registry ID

110039958631

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.

11

Water (CWA)
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	WW SSO - Discharge to Waters	Aug 9, 2024	—	Open
cwa	WW SSO - Discharge to Waters	Feb 5, 2024	—	Open
cwa	WW SSO - Discharge to Waters	Sep 15, 2022	—	Open
cwa	WW SSO - Discharge to Waters	Sep 13, 2022	—	Open
cwa	WW SSO - Discharge to Waters	Jul 13, 2020	—	Open
cwa	WW SSO - Discharge to Waters	Nov 18, 2017	—	Open
cwa	Schedule Event achieved late but reported	Oct 20, 1991	—	Open
cwa	Schedule Event achieved late but reported	Jul 20, 1991	—	Open
cwa	Schedule Event unachieved but reported	Jul 20, 1991	Dec 17, 1991	Resolved
cwa	Schedule Event achieved late but reported	Jul 14, 1991	—	Open
cwa	Management Practice Violations - Improper Operation and Maintenance	May 27, 1987	Mar 31, 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
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	1.04 mg/L	1.00	+4%	Jun 2023	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.02 mg/L	0.01	+56%	Sep 2022	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.45 mg/L	0.04	+1,084%	Sep 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	17.00 mg/L	14.00	+21%	Mar 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	15.20 mg/L	14.00	+9%	Mar 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	19.00 mg/L	14.00	+36%	Mar 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	39.03 kg/d	38.09	+2%	Mar 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	15.00 mg/L	14.00	+7%	Feb 2021	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.03 mg/L	0.01	+145%	Sep 2019	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.72 mg/L	0.04	+1,795%	Sep 2019	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.10 mg/L	0.04	+163%	Aug 2019	Open
Solids, total suspended	DMR, Limited - Numeric Violation	45.59 kg/d	36.73	+24%	Sep 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	16.75 mg/L	14.00	+20%	Mar 2016	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	61.89 kg/d	51.30	+21%	Mar 2016	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	46.45 kg/d	36.73	+26%	Jun 2015	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	13.00 mg/L	10.00	+30%	Jun 2015	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.

CWA 309A AO For Compliance

Clean Water Act · Case 05-1991-N023 · May 7, 1991

State Administrative Order of Consent

Clean Water Act · Case WI-N00000130 · Jun 30, 1989

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