EmissionsLookup
Non-Compliance Clean Water Act

SUPERIOR WASTEWATER TREATMENT FACILITY

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
N OF I-90 W OF WESTSIDE FIELD ON RIVERSIDE AVE W
SUPERIOR, MT 59872
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County
MINERAL County
Inspections
1 · last Jan 18, 2022
Total Penalties
$0
Registry ID
110011047090

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.

7
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 Management Practice Violations - Failure to Maintain Records Jan 18, 2022 Sep 13, 2022 Resolved
cwa Reporting Violations - Improper/ Incorrect Reporting Jan 18, 2022 Sep 13, 2022 Resolved
cwa Monitoring Violations - Improper Analysis or Lab Error Jan 18, 2022 Sep 13, 2022 Resolved
cwa Monitoring Violations - Improper Analysis or Lab Error Oct 27, 2016 Mar 1, 2017 Resolved
cwa Effluent Violations - Numeric effluent violation Oct 27, 2016 Mar 1, 2017 Resolved
cwa Schedule Event reported late Jun 1, 2009 Open
cwa Management Practice Violations - Failure to Maintain Records Oct 19, 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
Solids, total suspended DMR, Limited - Numeric Violation 57.00 mg/L 45.00 +27% Aug 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 80.00 mg/L 65.00 +23% Jul 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 64.20 mg/L 30.00 +114% Jul 2025 Resolved
E. coli, MTEC-MF DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 252.00 +860% Jul 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 1,697.00 MPN/100mL 126.00 +1,247% Jul 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 55.40 mg/L 45.00 +23% Jul 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 120.00 mg/L 45.00 +167% Jul 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 31.70 mg/L 30.00 +6% Jun 2025 Resolved
E. coli, MTEC-MF DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 252.00 +860% Jun 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 690.00 MPN/100mL 126.00 +448% Jun 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 354.90 MPN/100mL 126.00 +182% May 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 1,120.00 MPN/100mL 252.00 +344% May 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 100.00 mg/L 65.00 +54% Apr 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 252.00 +860% Apr 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 57.50 mg/L 30.00 +92% Apr 2025 Resolved
BOD, 5-day, percent removal DMR, Limited - Numeric Violation 84.00 % 85.00 +7% Apr 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 67.00 mg/L 45.00 +49% Apr 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 126.00 +1,821% Apr 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 60.00 mg/L 45.00 +33% Apr 2025 Open
Solids, total suspended DMR, Limited - Numeric Violation 79.00 mg/L 65.00 +22% Mar 2025 Open
E. coli, MTEC-MF DMR, Limited - Numeric Violation 1,224.40 MPN/100mL 630.00 +94% Mar 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 39.00 mg/L 30.00 +30% Mar 2025 Resolved
E. coli, MTEC-MF DMR, Limited - Numeric Violation 2,420.00 MPN/100mL 1,260.00 +92% Mar 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 91.00 mg/L 45.00 +102% Mar 2025 Open
BOD, 5-day, 20 deg. C DMR, Limited - Numeric Violation 105.00 mg/L 45.00 +133% Jul 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 89.00 mg/L 65.00 +37% Jul 2022 Open
Solids, total suspended DMR, Limited - Numeric Violation 83.00 mg/L 45.00 +84% Jul 2022 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 72.00 mg/L 45.00 +60% Jun 2022 Resolved
Solids, total suspended DMR, Limited - Numeric Violation 85.00 mg/L 65.00 +31% Jun 2022 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 53.00 % 65.00 +34% Jun 2016 Open
Solids, suspended percent removal DMR, Limited - Numeric Violation 42.00 % 65.00 +66% Aug 2015 Open

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