CORDERO ROJO COMPLEX
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
-
748 T-7 RD
GILLETTE, WY 82718
View on map ↗ - County
- CAMPBELL County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212111
- Inspections
- 6 · last Sep 25, 2025
- Total Penalties
- $0 · last Apr 27, 1995
- Registry ID
- 110011492900
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
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 | Management Practice Violations - Improper Operation and Maintenance | Dec 6, 2021 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Nov 22, 2021 | — | 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 |
|---|---|---|---|---|---|---|
| Iron, dissolved [as Fe] | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.20 | +70% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.00 mg/L | 35.00 | +9% | Aug 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 311.00 MPN/100mL | 126.00 | +147% | May 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 617.00 MPN/100mL | 576.00 | +7% | May 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 59.25 mg/L | 35.00 | +69% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.00 mg/L | 70.00 | +26% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.00 mg/L | 35.00 | +3% | Mar 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.