SOUTH LYON 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
-
23500 DIXBORO ROAD
SOUTH LYON, MI 48178
View on map ↗ - County
- OAKLAND County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 3 · last May 16, 2024
- Total Penalties
- $0
- Registry ID
- 110006741099
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
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 - Improper Analysis or Lab Error | May 16, 2024 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | May 16, 2024 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Apr 21, 2020 | — | Open |
| cwa | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | Apr 29, 2019 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Apr 29, 2019 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Apr 29, 2019 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Oct 31, 2016 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Jul 21, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 14, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 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 |
|---|---|---|---|---|---|---|
| Toxicity, choice of species | DMR, Limited - Numeric Violation | 1.70 toxic | 1.00 | +70% | Jun 2025 | Open |
| Toxicity, choice of species | DMR, Limited - Numeric Violation | 1.30 toxic | 1.00 | +30% | May 2025 | Open |
| Toxicity, choice of species | DMR, Limited - Numeric Violation | 1.30 toxic | 1.00 | +30% | Apr 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 412.80 MPN/100mL | 400.00 | +3% | Jul 2023 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.30 | +1% | Nov 2020 | 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.