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
View on map ↗ - 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
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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