ST CLAIR WWTP

Address

300 CEDAR STREET
ST. CLAIR, MI 48079
View on map ↗

County

SAINT CLAIR County

Industry

Utilities

NAICS (North American Industry Classification)

22132

Inspections

8 · last Jun 4, 2025

Total Penalties

$0

Registry ID

110000759910

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.

12

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)	Jun 10, 2025	—	Open
cwa	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	Jun 6, 2023	—	Open
cwa	Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)	Jun 6, 2023	—	Open
cwa	Pretreatment - Failure to Develop/Enforce Standards	Jun 6, 2023	—	Open
cwa	Schedule Event achieved late but reported	Apr 1, 2023	—	Open
cwa	Reporting Violations - Late Submittal of DMRs	Nov 30, 2022	—	Open
cwa	Schedule Event achieved late but reported	Sep 4, 2022	—	Open
cwa	Monitoring Violations - Invalid/Unrepresentative Sample	Aug 23, 2022	—	Open
cwa	Schedule Event achieved late but reported	Jun 4, 2022	—	Open
cwa	WW SSO - Discharge to Waters	Jan 11, 2020	—	Open
cwa	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	Jan 11, 2020	—	Open
cwa	Reporting Violations - Failure to Notify	Sep 18, 2019	—	Open
cwa	Reporting Violations - Late Submittal of DMRs	Oct 31, 2016	—	Open
cwa	Reporting Violations - Late Submittal of DMRs	Apr 21, 2016	—	Open
cwa	Schedule Event reported late	Mar 31, 2016	—	Open
cwa	Schedule Event achieved late but reported	Mar 31, 2016	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Mar 31, 2016	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Mar 30, 2016	—	Open
cwa	Monitoring Violations - Improper Analysis or Lab Error	Mar 29, 2016	—	Open
cwa	Schedule Event unachieved and not reported	Jan 10, 2016	Sep 21, 2016	Resolved
cwa	Schedule Event unachieved but reported	Jan 10, 2016	Sep 21, 2016	Resolved
cwa	Schedule Event reported late	Jan 10, 2016	—	Open
cwa	Schedule Event achieved late but reported	Jan 10, 2016	—	Open
cwa	Schedule Event reported late	Nov 1, 2015	—	Open
cwa	Schedule Event achieved late but reported	Nov 1, 2015	—	Open
cwa	Schedule Event unachieved and not reported	Nov 1, 2015	Oct 6, 2016	Resolved
cwa	Schedule Event unachieved but reported	Nov 1, 2015	Oct 6, 2016	Resolved
cwa	Schedule Event unachieved and not reported	Apr 1, 2015	Aug 18, 2015	Resolved
cwa	Schedule Event unachieved but reported	Apr 1, 2015	Aug 18, 2015	Resolved
cwa	Schedule Event achieved late but reported	Apr 1, 2015	—	Open
cwa	Schedule Event reported late	Apr 1, 2015	—	Open
cwa	Schedule Event unachieved and not reported	Jan 10, 2015	Jun 12, 2015	Resolved
cwa	Schedule Event unachieved but reported	Jan 10, 2015	Jun 12, 2015	Resolved
cwa	Schedule Event reported late	Jan 10, 2015	—	Open
cwa	Schedule Event achieved late but reported	Jan 10, 2015	—	Open
cwa	Schedule Event achieved late but reported	Nov 1, 2014	—	Open
cwa	Permit Violations - Discharge Without a Valid Permit	May 17, 2007	—	Open
cwa	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	Jan 4, 2006	—	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
BOD, carbonaceous [5 day, 20 C]	DMR, Limited - Numeric Violation	43.80 mg/L	40.00	+10%	Dec 2016	Open
Solids, total suspended	DMR, Limited - Numeric Violation	49.50 mg/L	45.00	+10%	Dec 2016	Open
Cadmium, dry weight	DMR, Limited - Numeric Violation	30,800.00 mg/L	85.00	+36,135%	Sep 2016	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.

State Administrative Order of Consent

Clean Water Act · Case MI-N00000928 · Aug 12, 2008

State CWA Non Penalty AO

Clean Water Act · Case MI-N00000697 · Jan 22, 1999

State CWA Non Penalty AO

Clean Water Act · Case MI-N00000260 · May 22, 1991

State CWA Non Penalty AO

Clean Water Act · Case MI-N00000226 · Feb 25, 1991

State CWA Non Penalty AO

Clean Water Act · Case MI-N00000001 · Mar 28, 1988

State CWA Non Penalty AO

Clean Water Act · Case MI-N00000331 · Aug 21, 1987

Other facilities in SAINT CLAIR County, MI

MDOT I-94 WB/SB REST AREA

CASCO, MI · Utilities

SUNRISE STORES LLC-EMMETT

MEMPHIS, MI · Retail Trade

GREAT LAKES GAS TRANSMISSION ST CLAIR

ST CLAIR, MI · Transportation and Warehousing

HURON MFG DIV

PORT HURON, MI · Manufacturing

HOOVER CHEMICALS INC

PORT HURON, MI · Agriculture, Forestry, Fishing and Hunting

ALGONAC

ALGONAC, MI

All facilities in MI →