Non-Compliance Clean Water Act

CASEYVILLE TOWNSHIP EAST STP

Quick Summary

•Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
•Assessed $0 in total penalties since records began.

Address: 1 ECOLOGY DR
O FALLON, IL 62269
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County: ST CLAIR County
Inspections: 1 · last Nov 2, 2023
Total Penalties: $0
Registry ID: 110018212682

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.

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	Schedule Event achieved late but reported	Jan 31, 2025	—	Open
cwa	Schedule Event unachieved and not reported	May 31, 2022	Nov 4, 2022	Resolved
cwa	Schedule Event reported late	May 31, 2022	—	Open
cwa	Schedule Event unachieved but reported	May 31, 2022	Nov 4, 2022	Resolved
cwa	Schedule Event achieved late but reported	May 31, 2022	—	Open
cwa	WW SSO - Discharge to Waters	Feb 17, 2022	May 4, 2022	Resolved
cwa	Effluent Violations - Unauthorized Discharge	Feb 17, 2022	May 4, 2022	Resolved
cwa	Schedule Event achieved late but reported	Nov 30, 2020	—	Open
cwa	Schedule Event reported late	Nov 30, 2020	—	Open
cwa	Schedule Event unachieved but reported	Jan 31, 2020	Jul 13, 2020	Resolved
cwa	Schedule Event unachieved and not reported	Jan 31, 2020	Jul 13, 2020	Resolved
cwa	Schedule Event reported late	Jan 31, 2020	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2020	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2013	—	Open
cwa	Schedule Event unachieved and not reported	Apr 1, 2012	Mar 5, 2013	Resolved
cwa	Schedule Event achieved late but reported	Apr 1, 2012	—	Open
cwa	Schedule Event unachieved but reported	Apr 1, 2012	Mar 5, 2013	Resolved
cwa	Schedule Event reported late	Apr 1, 2012	—	Open
cwa	Management Practice Violations - Inflow/Infiltration (I/I)	Feb 10, 2012	—	Open
cwa	Effluent Violations - Narrative Effluent Violation	Oct 31, 2009	—	Open
cwa	Effluent Violations - Narrative Effluent Violation	Sep 30, 2009	—	Open
cwa	Effluent Violations - Narrative Effluent Violation	Aug 31, 2009	—	Open
cwa	Effluent Violations - Narrative Effluent Violation	Jul 31, 2009	—	Open
cwa	Schedule Event achieved late but reported	Dec 15, 2008	—	Open
cwa	Schedule Event unachieved and not reported	Dec 15, 2008	Mar 31, 2009	Resolved
cwa	Schedule Event reported late	Dec 15, 2008	—	Open
cwa	Schedule Event unachieved but reported	Dec 15, 2008	Mar 31, 2009	Resolved
cwa	Schedule Event unachieved and not reported	Mar 22, 2007	—	Open
cwa	Schedule Event unachieved but reported	Mar 22, 2007	—	Open
cwa	Schedule Event achieved late but reported	Mar 22, 2007	—	Open
cwa	Schedule Event reported late	Mar 22, 2007	—	Open
cwa	WW CSO - Related Unapproved Bypass	Jan 13, 2007	Apr 4, 2007	Resolved
cwa	Effluent Violations - Unapproved Bypass	Jan 13, 2007	Apr 4, 2007	Resolved
cwa	Schedule Event achieved late but reported	Oct 25, 2006	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2005	—	Open
cwa	Schedule Event achieved late but reported	Jun 30, 2004	—	Open
cwa	Schedule Event unachieved and not reported	Jun 30, 2004	Aug 4, 2004	Resolved
cwa	Schedule Event achieved late but reported	Mar 31, 2004	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2001	—	Open
cwa	Schedule Event achieved late but reported	Nov 20, 1989	—	Open
cwa	Permit Violations - Violation Specified in Comment	Jul 1, 1988	Jan 9, 1995	Resolved
cwa	Permit Violations - Violation Specified in Comment	Apr 21, 1988	Jan 9, 1995	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	1.09 mg/L	1.00	+9%	Sep 2025	Open
Zinc, total [as Zn]	DMR, Limited - Numeric Violation	0.04 mg/L	0.04	+11%	Jun 2023	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.