Non-Compliance
Clean Water Act
MILLE LACS WWTF
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
-
43282 TIMBER TRAIL ROAD
ONAMIA, MN 56359
View on map ↗ - County
- MILLE LACS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 2 · last Sep 10, 2025
- Total Penalties
- $0
- Registry ID
- 110020564003
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.
10
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 | Schedule Event unachieved and not reported | Apr 1, 2024 | May 2, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2021 | Apr 26, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2021 | Jan 31, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2021 | Apr 26, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2021 | Jan 31, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2021 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2020 | Mar 22, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 1, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 1, 2020 | Mar 22, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2020 | Apr 9, 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 unachieved but reported | Jan 31, 2020 | Jan 31, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2020 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2020 | Apr 9, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2020 | Jan 31, 2022 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2019 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2019 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2018 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2018 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2017 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2016 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2016 | — | 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 | 1.05 mg/L | 0.80 | +31% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.86 mg/L | 1.60 | +16% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.06 mg/L | 0.80 | +33% | Sep 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 342.00 MPN/100mL | 126.00 | +171% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 648.00 MPN/100mL | 410.00 | +58% | Jul 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 467.00 MPN/100mL | 410.00 | +14% | Jun 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.22 mg/L | 0.80 | +53% | Jun 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 194.00 MPN/100mL | 126.00 | +54% | Jun 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.89 mg/L | 0.80 | +137% | May 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 542.00 MPN/100mL | 410.00 | +32% | Aug 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 253.00 mg/L | 250.00 | +1% | Jul 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 649.00 MPN/100mL | 410.00 | +58% | Jun 2023 | Open |
| E. coli | DMR, Limited - Numeric Violation | 572.00 MPN/100mL | 410.00 | +40% | Jul 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Aug 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 421.00 MPN/100mL | 410.00 | +3% | Apr 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 196.00 MPN/100mL | 126.00 | +56% | Apr 2021 | Open |
| E. coli | DMR, Limited - Numeric Violation | 290.00 MPN/100mL | 126.00 | +130% | Jun 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 597.00 MPN/100mL | 235.00 | +154% | Jun 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 769.00 MPN/100mL | 235.00 | +227% | May 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 362.00 MPN/100mL | 126.00 | +187% | May 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Feb 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Jan 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 400.00 MPN/100mL | 235.00 | +70% | Jun 2018 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.86 mg/L | 0.80 | +8% | Nov 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.87 mg/L | 0.80 | +9% | Jul 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Jul 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 0.80 | +50% | Jun 2016 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.10 mg/L | 0.80 | +38% | May 2016 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.60 | +6% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 70.00 mg/L | 30.00 | +133% | Mar 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 281.00 kg/d | 106.00 | +165% | Mar 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 76.00 kg/d | 71.00 | +7% | Mar 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 258.00 mg/L | 45.00 | +473% | Mar 2016 | Open |
| E. coli | DMR, Limited - Numeric Violation | 357.00 MPN/100mL | 235.00 | +52% | Jul 2015 | Open |
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