MILL CREEK 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
-
1600 GEST STREET
CINCINNATI, OH 45204
View on map ↗ - County
- HAMILTON County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 22132
- Inspections
- 6 · last Sep 17, 2025
- Total Penalties
- $0 · last Jun 9, 2004
- Registry ID
- 110010530568
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
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 unachieved and not reported | Mar 1, 2022 | Apr 1, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 1, 2005 | — | Open |
| cwa | Management Practice Violations - Failure to Develop/Enforce Standards | Sep 17, 1991 | Sep 23, 1992 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Aug 15, 1985 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 52.00 mg/L | 40.00 | +30% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.40 mg/L | 30.00 | +11% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 45.00 | +62% | Mar 2023 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | — MPN/100mL | 2,000.00 | +99,999% | Dec 2022 | Open |
| Coliform, fecal MF, MFC broth, 44.5 C | DMR, Limited - Numeric Violation | — MPN/100mL | 1,000.00 | +99,999% | Dec 2022 | Open |
| Oxidants, total residual | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.33 | +3% | Sep 2022 | Open |
| Oxidants, total residual | DMR, Limited - Numeric Violation | 0.40 mg/L | 0.33 | +21% | Feb 2022 | Open |
| E. coli, MTEC-MF | DMR, Limited - Numeric Violation | 193.80 MPN/100mL | 126.00 | +54% | Oct 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.33 | +9% | Sep 2020 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.33 | +3% | Aug 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.70 mg/L | 45.00 | +22% | Jun 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.