Clean Air Act
Clean Water Act
RCRA
US SILICA COMPANY-MILL CREEK NORTH PLANT
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
5 MI N OF MILL CREEK
MILL CREEK, OK 74856
View on map ↗ - County
- JOHNSTON County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212322
- Inspections
- 7 · last Jun 11, 2025
- Total Penalties
- $0
- Registry ID
- 110007385597
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 | Permit Violations - Violation Specified in Comment | Aug 22, 2018 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.00 mg/L | 45.00 | +99,999% | Dec 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.00 mg/L | 25.00 | +99,999% | Dec 2018 | Open |
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· Mining, Quarrying, and Oil and Gas Extraction