Non-Compliance
Clean Water Act
RCRA
MANKATO WASTEWATER TREATMENT PLANT
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
-
701 PINE ST
MANKATO, MN 56001
View on map ↗ - County
- BLUE EARTH County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 6 · last May 22, 2025
- Total Penalties
- $0
- Registry ID
- 110000544402
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.
1
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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 | Schedule Event achieved late but reported | May 31, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | May 31, 2025 | Sep 16, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 31, 2025 | Sep 16, 2025 | Resolved |
| cwa | Schedule Event reported late | May 31, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 31, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 2024 | — | Open |
| cwa | Schedule Event reported late | May 31, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 31, 2024 | Dec 13, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | May 31, 2024 | Dec 13, 2024 | Resolved |
| cwa | PR: Biosolids - Land Application: Invalid Monitoring or Unrepresentative Sample Violation (001) | Sep 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2023 | Sep 15, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 1, 2023 | Sep 15, 2023 | Resolved |
| cwa | Schedule Event reported late | Jun 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 15, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 15, 2021 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Oct 12, 2021 | — | Open |
| cwa | Management Practice Violations - Best Management Practice Deficiencies | Oct 12, 2021 | — | Open |
| cwa | Effluent Violations - Narrative Effluent Violation | Oct 12, 2021 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Oct 12, 2021 | — | Open |
| cwa | Effluent Violations - Unapproved Bypass | Oct 12, 2021 | — | Open |
| cwa | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | Oct 12, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 30, 2009 | — | 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 34.10 kg/d | 33.20 | +3% | Sep 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.04 | +84% | Nov 2022 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.46 mg/L | 0.04 | +1,111% | Oct 2022 | Resolved |
| Coliform, tot, MPN, completed, [100 mL] | DMR, Limited - Numeric Violation | 4.80 MPN/100mL | 2.20 | +118% | Sep 2019 | Open |
| Coliform, tot, MPN, completed, [100 mL] | DMR, Limited - Numeric Violation | 7.50 MPN/100mL | 2.20 | +241% | Aug 2019 | Open |
| Coliform, tot, MPN, completed, [100 mL] | DMR, Limited - Numeric Violation | 3.74 MPN/100mL | 2.20 | +70% | Nov 2018 | Open |
| Coliform, tot, MPN, completed, [100 mL] | DMR, Limited - Numeric Violation | 16.50 MPN/100mL | 2.20 | +650% | Jun 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.04 | +18% | Sep 2016 | Open |
| Coliform, tot, MPN, completed, [100 mL] | DMR, Limited - Numeric Violation | 6.30 MPN/100mL | 2.20 | +186% | Aug 2015 | 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 CWA Non Penalty AO
Clean Water Act
· Case MN-00N004465NON20251 · Sep 9, 2025
State CWA Non Penalty AO
Clean Water Act
· Case MN-NOV10062023 · Oct 6, 2023
State CWA Non Penalty AO
Clean Water Act
· Case MN-NOV10122021 · Oct 12, 2021
State CWA Non Penalty AO
Clean Water Act
· Case MN-N00000987 · Apr 19, 2007
State CWA Non Penalty AO
Clean Water Act
· Case MN-N00000549 · Feb 28, 1995
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