Non-Compliance
Clean Water Act
WILLIAMSTON 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
-
524 SUNSET ROAD
WILLIAMSTON, MI 48895
View on map ↗ - County
- INGHAM County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 4 · last Aug 7, 2024
- Total Penalties
- $0
- Registry ID
- 110006740857
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.
11
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 | Monitoring Violations - Invalid/Unrepresentative Sample | Jul 27, 2023 | Dec 23, 2025 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 31, 2017 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 31, 2016 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Apr 1, 2015 | — | 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 | 15.16 mg/L | 2.00 | +658% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.71 mg/L | 0.50 | +241% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.23 kg/d | 1.23 | +164% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.53 kg/d | 4.99 | +171% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 84.00 MPN/100mL | 400.00 | +99,999% | Apr 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 0.11 kg/d | 0.11 | +5% | May 2020 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 0.31 kg/d | 0.27 | +15% | May 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 1.79 kg/d | 0.80 | +126% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +15% | May 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.10 mg/L | 2.00 | +55% | May 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 427.00 MPN/100mL | 400.00 | +99,999% | Apr 2019 | Open |
| Coliform, fecal general | DMR, Limited - Overdue | 427.00 MPN/100mL | 400.00 | +99,999% | Apr 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3.26 kg/d | 1.19 | +173% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 30.00 | +17% | Mar 2019 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 68.00 % | 85.00 | +113% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 128.00 mg/L | 45.00 | +184% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 0.92 kg/d | 0.80 | +16% | Mar 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 18.61 kg/d | 4.99 | +273% | May 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.80 mg/L | 2.00 | +190% | May 2018 | Open |
| BOD, carb-5 day, 20 deg C, percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 651.04 kg/d | 108.96 | +498% | Feb 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.40 mg/L | 45.00 | +54% | Feb 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 716.00 MPN/100mL | 400.00 | +79% | Feb 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 273.00 % | 85.00 | +99,999% | Feb 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.54 mg/L | 2.00 | +27% | Jul 2017 | 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.
Civil Judicial Action
Clean Water Act
· Case MI-N00000086 · May 22, 1987
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