CITY OF PORT HURON 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
-
100 MERCHANT ST
PORT HURON, MI 48060
View on map ↗ - County
- SAINT CLAIR County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 8 · last Jul 16, 2025
- Total Penalties
- $0
- Registry ID
- 110000737043
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.
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 | Jun 30, 2025 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jun 21, 2025 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Jun 22, 2023 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Jun 22, 2023 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | May 25, 2023 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | May 25, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2022 | Oct 31, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 31, 2022 | Oct 1, 2022 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Sep 22, 2021 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Sep 22, 2021 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Jul 1, 2020 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Jul 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 29, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2019 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Mar 8, 2019 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Feb 21, 2019 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 30, 2018 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jul 21, 2018 | — | Open |
| cwa | Effluent Violations - Narrative Effluent Violation | Jun 26, 2018 | — | Open |
| cwa | Pretreatment - Failure to Establish Local Limits | Jun 4, 2018 | — | Open |
| cwa | Failure to issue/reissue control mechanisms to at least 90% of SIU/CIUs w/in 6 months (Level II) | Jun 4, 2018 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | May 21, 2018 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Feb 21, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2018 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | May 21, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 1, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | May 1, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2017 | — | Open |
| cwa | Schedule Event reported late | May 1, 2017 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2017 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Feb 21, 2017 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jan 21, 2017 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Dec 21, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 21, 2016 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Oct 4, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Sep 21, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Aug 21, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jul 21, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 21, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Feb 21, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 30, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 30, 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 | Mar 31, 2012 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Nov 30, 2011 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Nov 29, 2011 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Nov 21, 2011 | — | 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 | 1.10 mg/L | 1.00 | +10% | Jul 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 45.00 | +22% | Aug 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 60.00 % | 65.00 | +14% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 83.00 mg/L | 45.00 | +84% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 30.00 | +17% | Apr 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.10 mg/L | 1.00 | +10% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 45.00 | +13% | Mar 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3,868.99 kg/d | 3,405.00 | +14% | Jan 2020 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.10 mg/L | 1.00 | +10% | Oct 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 59.00 mg/L | 45.00 | +31% | Oct 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Oct 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.00 mg/L | 4.00 | +25% | Sep 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.70 mg/L | 0.60 | +17% | Oct 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.