Non-Compliance
Clean Water Act
RCRA
OWOSSO/MID SHIAWASSEE CO WWTP
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
-
1410 CHIPPEWA TRAIL
OWOSSO, MI 48867
View on map ↗ - County
- SHIAWASSEE County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last Nov 28, 2022
- Total Penalties
- $0
- Registry ID
- 110000733403
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.
8
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 | Reporting Violations - Late Submittal of DMRs | Feb 21, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 14, 2023 | — | Open |
| cwa | Schedule Event reported late | Jun 14, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 14, 2022 | — | Open |
| cwa | Schedule Event reported late | Nov 14, 2022 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jun 26, 2021 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Aug 28, 2020 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | May 18, 2020 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jan 11, 2020 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Oct 6, 2016 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Apr 26, 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 achieved late but reported | Apr 1, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2012 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Aug 19, 2008 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Aug 19, 2008 | — | Open |
| cwa | Pretreatment - Failure to Establish Local Limits | Jul 23, 2007 | — | Open |
| cwa | Failure to issue/reissue control mechanisms to at least 90% of SIU/CIUs w/in 6 months (Level II) | Jul 23, 2007 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Jul 23, 2007 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Jul 23, 2007 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.00 mg/L | 11.00 | +64% | Oct 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.11 mg/L | 3.00 | +70% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.60 mg/L | 3.00 | +20% | Sep 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 15.50 mg/L | 15.00 | +3% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.68 mg/L | 3.00 | +23% | Jul 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,618.00 MPN/100mL | 400.00 | +305% | May 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 255.00 MPN/100mL | 200.00 | +28% | May 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 42.00 mg/L | 40.00 | +5% | Dec 2023 | Open |
| BOD, carb-5 day, 20 deg C, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Dec 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 594.00 MPN/100mL | 400.00 | +49% | Dec 2023 | Open |
| Hexachlorobenzene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,400% | Nov 2023 | Resolved |
| Hexachlorobenzene | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,100% | Aug 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,177.68 kg/d | 1,044.20 | +13% | May 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 16.50 mg/L | 15.00 | +10% | Aug 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.58 mg/L | 3.00 | +53% | Aug 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 432.00 MPN/100mL | 400.00 | +8% | Feb 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,422.38 kg/d | 1,021.50 | +39% | Feb 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Feb 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Jun 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.00 mg/L | 30.00 | +23% | May 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | May 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.13 mg/L | 1.00 | +13% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 934.79 kg/d | 681.00 | +37% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,531.80 kg/d | 1,021.50 | +50% | Apr 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 25.42 kg/d | 22.70 | +12% | Apr 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 64.00 % | 85.00 | +140% | Apr 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 406.00 MPN/100mL | 400.00 | +2% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1,253.95 kg/d | 1,021.50 | +23% | Mar 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 74.00 % | 85.00 | +73% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Mar 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Feb 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 77.00 % | 85.00 | +53% | Jan 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 673.00 MPN/100mL | 400.00 | +68% | Aug 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Apr 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 78.00 % | 85.00 | +47% | Mar 2016 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.05 mg/L | 1.00 | +5% | Oct 2015 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 39.00 mg/L | 27.00 | +44% | Oct 2015 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 33.00 mg/L | 15.00 | +120% | Sep 2015 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 36.00 mg/L | 23.00 | +57% | Jun 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.46 mg/L | 8.00 | +18% | Jun 2015 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.03 mg/L | 1.00 | +3% | Jun 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.46 mg/L | 8.00 | +18% | Jun 2015 | Open |
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