LOCKPORT STW

Address

425 WEST DIVISION STREET
LOCKPORT, IL 60441
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County

WILL County

Inspections

4 · last Mar 5, 2025

Total Penalties

$0 · last Oct 17, 2000

Registry ID

110000731708

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.

3

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	Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)	Sep 12, 2025	—	Open
cwa	Other Part 403 noncompliance of substantial concern (Level II - Other)	Sep 12, 2025	—	Open
cwa	Schedule Event unachieved but reported	Apr 28, 2021	Jul 21, 2021	Resolved
cwa	Schedule Event reported late	Apr 28, 2021	—	Open
cwa	Schedule Event unachieved and not reported	Apr 28, 2021	Jul 21, 2021	Resolved
cwa	Schedule Event achieved late but reported	Apr 28, 2021	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2016	—	Open
cwa	Schedule Event achieved late but reported	Jul 31, 2015	—	Open
cwa	Schedule Event achieved late but reported	Jul 31, 2015	—	Open
cwa	Schedule Event achieved late but reported	Apr 30, 2015	—	Open
cwa	Schedule Event reported late	Apr 30, 2015	—	Open
cwa	Schedule Event unachieved but reported	Apr 30, 2015	Jun 8, 2015	Resolved
cwa	Schedule Event unachieved and not reported	Apr 30, 2015	Jun 8, 2015	Resolved
cwa	Schedule Event achieved late but reported	Jan 31, 2013	—	Open
cwa	Schedule Event achieved late but reported	Jul 31, 2012	—	Open
cwa	Schedule Event unachieved and not reported	Jul 31, 2012	Dec 9, 2015	Resolved
cwa	Schedule Event reported late	Jul 31, 2012	—	Open
cwa	Schedule Event unachieved but reported	Jul 31, 2012	Dec 9, 2015	Resolved
cwa	Schedule Event reported late	Jan 31, 2012	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2012	—	Open
cwa	Schedule Event unachieved but reported	Jan 31, 2012	Dec 9, 2015	Resolved
cwa	Schedule Event unachieved and not reported	Jan 31, 2012	Dec 9, 2015	Resolved
cwa	Schedule Event achieved late but reported	Jan 31, 2012	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2011	—	Open
cwa	Schedule Event reported late	Jan 31, 2010	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2010	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2009	—	Open
cwa	Schedule Event reported late	Jan 31, 2008	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2008	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2008	—	Open
cwa	Schedule Event reported late	Jan 1, 2008	—	Open
cwa	Schedule Event unachieved and not reported	Jan 1, 2008	—	Open
cwa	Schedule Event unachieved but reported	Jan 1, 2008	—	Open
cwa	Schedule Event achieved late but reported	Jan 1, 2008	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2007	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2007	—	Open
cwa	Schedule Event achieved late but reported	Jul 31, 2006	—	Open
cwa	Schedule Event unachieved and not reported	Jul 1, 2006	Nov 28, 2006	Resolved
cwa	Schedule Event achieved late but reported	Jul 1, 2006	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2006	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2006	—	Open
cwa	Schedule Event achieved late but reported	Jan 1, 2006	—	Open
cwa	Schedule Event unachieved and not reported	Jan 1, 2006	May 16, 2006	Resolved
cwa	Schedule Event achieved late but reported	Jul 31, 2005	—	Open
cwa	Schedule Event unachieved and not reported	Jan 31, 2001	Jun 21, 2001	Resolved
cwa	Schedule Event achieved late but reported	Jan 31, 2001	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2000	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 1998	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 1998	—	Open

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
Solids, total suspended	DMR, Limited - Numeric Violation	32.30 mg/L	30.00	+8%	May 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	31.00 mg/L	30.00	+3%	Feb 2022	Open
Solids, total suspended	DMR, Limited - Numeric Violation	40.00 mg/L	30.00	+33%	May 2021	Open
Solids, total suspended	DMR, Limited - Numeric Violation	39.00 mg/L	30.00	+30%	Apr 2019	Open
Solids, total suspended	DMR, Limited - Numeric Violation	28.00 mg/L	24.00	+17%	Sep 2018	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.

Civil Judicial Action

Clean Water Act · Case IL-N00005249 · Oct 17, 2000

$5,500

State CWA Non Penalty AO

Clean Water Act · Case IL-N00004265 · Oct 16, 1997

State Administrative Order of Consent

Clean Water Act · Case IL-N00006116 · Oct 1, 1997

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