Non-Compliance
Clean Water Act
MT PLEASANT 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
-
1301 N FRANKLIN ST
MOUNT PLEASANT, MI 48858
View on map ↗ - County
- ISABELLA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 1 · last Sep 12, 2023
- Total Penalties
- $0
- Registry ID
- 110039723369
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 achieved late but reported | Mar 31, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2020 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Monitoring Violations - Frequency of Sampling Violation | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Effluent Violations - Narrative Effluent Violation | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Management Practice Violations - Failure to Maintain Records | May 17, 2018 | Jul 3, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2006 | Mar 9, 2007 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 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 |
|---|---|---|---|---|---|---|
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.39 mg/L | 1.00 | +139% | Nov 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 3.40 mg/L | 2.00 | +70% | Nov 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 4.35 mg/L | 1.00 | +335% | Oct 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 109.46 kg/d | 31.33 | +249% | Oct 2025 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 27.19 kg/d | 15.89 | +71% | Oct 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 17.80 mg/L | 2.00 | +790% | Oct 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.70 mg/L | 4.70 | +85% | Sep 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.50 mg/L | 4.70 | +17% | Aug 2025 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 1,414.00 MPN/100mL | 410.00 | +245% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 7.70 mg/L | 4.70 | +64% | Jun 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 16.40 mg/L | 4.70 | +249% | May 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 2.13 mg/L | 2.00 | +7% | Apr 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 410.00 | +490% | Nov 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,420.00 MPN/100mL | 410.00 | +490% | Sep 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.20 mg/L | 4.70 | +32% | Jul 2024 | Open |
| E. coli | DMR, Limited - Numeric Violation | 435.00 MPN/100mL | 410.00 | +6% | Oct 2022 | Open |
| E. coli | DMR, Limited - Numeric Violation | 921.00 MPN/100mL | 410.00 | +125% | Jan 2021 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.09 mg/L | 1.00 | +9% | Sep 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 12.46 mg/L | 10.00 | +25% | Jul 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 444.00 MPN/100mL | 410.00 | +8% | Feb 2020 | Open |
| E. coli | DMR, Limited - Numeric Violation | 440.00 MPN/100mL | 410.00 | +7% | May 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.30 mg/L | 5.00 | +6% | Sep 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 800.00 MPN/100mL | 410.00 | +95% | Aug 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.00 mg/L | 5.00 | +20% | Aug 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 604.00 MPN/100mL | 410.00 | +47% | May 2018 | Open |
| E. coli | DMR, Limited - Numeric Violation | 510.00 MPN/100mL | 410.00 | +24% | Dec 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.96 mg/L | 0.04 | +7,697% | Sep 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.50 mg/L | 5.00 | +10% | Sep 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.20 mg/L | 5.00 | +4% | Aug 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.87 % | 85.00 | +8% | Jul 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 76.99 % | 85.00 | +53% | Jun 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 540.00 MPN/100mL | 410.00 | +32% | Jun 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 760.00 MPN/100mL | 410.00 | +85% | May 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.93 % | 85.00 | +27% | May 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 41.54 % | 85.00 | +290% | Apr 2017 | Open |
| E. coli | DMR, Limited - Numeric Violation | 137.00 MPN/100mL | 126.00 | +9% | Apr 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 75.80 % | 85.00 | +61% | Mar 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.08 mg/L | 1.00 | +8% | Feb 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 79.20 % | 85.00 | +39% | Feb 2017 | Open |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +67% | Dec 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.10 mg/L | 5.00 | +22% | Jul 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.04 | +855% | Apr 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +575% | Jan 2016 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +688% | Jan 2016 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +699% | Dec 2015 | Resolved |
| E. coli | DMR, Limited - Numeric Violation | 242.00 MPN/100mL | 126.00 | +92% | Dec 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +329% | Dec 2015 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +325% | Nov 2015 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +694% | Nov 2015 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +2,800% | Oct 2015 | Resolved |
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.
Administrative - Formal
· Case 05-2019-0331 · Feb 1, 2019
State CWA Non Penalty AO
Clean Water Act
· Case MI-N00000440 · Apr 27, 1995
State CWA Non Penalty AO
Clean Water Act
· Case MI-N00000312 · Mar 29, 1991
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