Non-Compliance
Clean Water Act
HILLSDALE 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
-
101 W GALLOWAY DR
HILLSDALE, MI 49242
View on map ↗ - County
- HILLSDALE County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 4 · last Nov 20, 2025
- Total Penalties
- $0
- Registry ID
- 110071710725
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 | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Aug 20, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2024 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Feb 8, 2024 | — | Open |
| cwa | Monitoring Violations - Analysis not Conducted | Feb 8, 2024 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jan 21, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 30, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 30, 2022 | Oct 13, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 30, 2022 | Oct 13, 2025 | Resolved |
| cwa | Schedule Event reported late | Oct 30, 2022 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Sep 15, 2022 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Sep 15, 2022 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Aug 21, 2022 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | May 21, 2022 | — | Open |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Jan 3, 2020 | — | Open |
| cwa | Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | Feb 6, 2018 | — | Open |
| cwa | Pretreatment - Failure to Develop/Enforce Standards | Feb 6, 2018 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | May 21, 2017 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Feb 8, 2016 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 14, 2015 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jul 14, 2015 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Jul 14, 2015 | — | Open |
| cwa | WW SSO - Discharge to Waters | Nov 24, 2013 | — | Open |
| cwa | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | Nov 24, 2013 | — | Open |
| cwa | Permit Violations - Discharge Without a Valid Permit | Nov 12, 2013 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Nov 12, 2013 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Apr 17, 2013 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Jul 31, 2012 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Jul 31, 2012 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 31, 2012 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2003 | May 14, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 28, 1990 | — | 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 |
|---|---|---|---|---|---|---|
| Coliform, fecal general | DMR, Limited - Numeric Violation | 471.00 MPN/100mL | 400.00 | +18% | Feb 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.51 mg/L | 2.00 | +376% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.81 mg/L | 0.50 | +62% | May 2025 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 38.00 % | 85.00 | +313% | Mar 2023 | Open |
| Toxicity, choice of species | DMR, Limited - Numeric Violation | 1.40 toxic | 1.10 | +27% | Feb 2019 | Open |
| Toxicity, choice of species | DMR, Limited - Numeric Violation | 5.60 toxic | 1.10 | +409% | Jan 2019 | Open |
| Static 48 Hr Chronic Pimphales Promelas | DMR, Limited - Numeric Violation | 2.80 toxic | 1.10 | +155% | Apr 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 14.60 mg/L | 10.00 | +46% | Mar 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,061.00 MPN/100mL | 400.00 | +165% | Jan 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.50 mg/L | 2.00 | +125% | Oct 2017 | Open |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.04 | +11% | May 2017 | Open |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.04 | +11% | Apr 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.50 mg/L | 10.00 | +5% | Feb 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Feb 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.90 mg/L | 1.00 | +90% | Jan 2017 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 11.80 kg/d | 7.72 | +53% | Jan 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.19 mg/L | 0.04 | +397% | Jan 2017 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 6.20 mg/L | 7.00 | +11% | Dec 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +9% | Oct 2016 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +5% | Sep 2016 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 6.60 mg/L | 7.00 | +6% | Aug 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +10% | Aug 2016 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +7% | Jul 2016 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +10% | Jun 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +393% | May 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +297% | May 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +402% | Apr 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +302% | Apr 2016 | Open |
| Static 48 Hr Chronic Pimphales Promelas | DMR, Limited - Numeric Violation | 1.40 toxic | 1.10 | +27% | Mar 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +315% | Mar 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +200% | Mar 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +335% | Feb 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +173% | Feb 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +194% | Jan 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +317% | Jan 2016 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +355% | Dec 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +505% | Dec 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.70 mg/L | 10.00 | +37% | Dec 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +560% | Nov 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +385% | Nov 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +355% | Oct 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +500% | Oct 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +355% | Sep 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +530% | Sep 2015 | Open |
| Cyanide [A] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +100% | Aug 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +550% | Aug 2015 | Open |
| Cyanide [A] | DMR, Limited - Numeric Violation | 0.05 kg/d | 0.05 | +10% | Aug 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +385% | Aug 2015 | Open |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +210% | Jul 2015 | Resolved |
| Mercury, total [as Hg] | DMR, Limited - Numeric Violation | 0.00 kg/d | 0.00 | +415% | Jun 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.
State Administrative Order of Consent
Clean Water Act
· Case MI-N00000271 · Feb 6, 1992
State CWA Non Penalty AO
Clean Water Act
· Case MI-N00000338 · Jan 10, 1990
State CWA Non Penalty AO
Clean Water Act
· Case MI-N00000113 · Dec 21, 1988
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