Non-Compliance
Clean Air Act
Clean Water Act
RCRA
U S SILICA CO (A7757)
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
-
20837 NORTH HURON RIVER DRIVE
ROCKWOOD, MI 48173
View on map ↗ - County
- WAYNE County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212322
- Inspections
- 2 · last Aug 10, 2023
- Total Penalties
- $0
- Registry ID
- 110003596902
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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 | Reporting Violations - Late Submittal of DMRs | Aug 21, 2025 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Nov 21, 2024 | — | Open |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Jun 9, 2023 | — | Open |
| caa | FRV | Aug 1, 2019 | — | 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.
Notice of Violation
Clean Air Act
· Case 3601927652 · Aug 1, 2019
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