Non-Compliance
Clean Water Act
ROSEBUD COUNTY WESTERN ENERGY MINE
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
-
ROSEBUD MINE
COLSTRIP, MT 59323
View on map ↗ - County
- ROSEBUD County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212114
- Inspections
- 3 · last Jul 24, 2025
- Total Penalties
- $0
- Registry ID
- 110040987536
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.
12
Water (CWA)
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 | Oct 15, 2024 | Jan 14, 2025 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 11, 2024 | Aug 15, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 11, 2024 | — | Open |
| cwa | Schedule Event reported late | Feb 11, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 11, 2024 | Aug 15, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 11, 2023 | Apr 3, 2023 | Resolved |
| cwa | Schedule Event reported late | Feb 11, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 11, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 11, 2023 | Apr 3, 2023 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | Jun 14, 2013 | Jul 31, 2013 | Resolved |
| cwa | Monitoring Violations - No Flow Measurement Device | Dec 16, 2010 | Mar 2, 2011 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 20, 2009 | Mar 26, 2010 | Resolved |
| cwa | Reporting Violations - Failure to Notify | Aug 20, 2009 | Mar 26, 2010 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 20, 2009 | Mar 26, 2010 | Resolved |
| cwa | Monitoring Violations - No Flow Measurement Device | Aug 20, 2009 | Mar 26, 2010 | Resolved |
| cwa | WW Storm Water Non-Construction - Failure to Monitor | Aug 20, 2009 | Mar 26, 2010 | Resolved |
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, settleable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +900% | May 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 492.00 mg/L | 35.00 | +1,306% | Sep 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 492.00 mg/L | 70.00 | +603% | Sep 2023 | Resolved |
| Conductivity | DMR, Limited - Numeric Violation | 880.00 umho/cm | 500.00 | +76% | Apr 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 148.00 mg/L | 70.00 | +111% | Apr 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 94.00 mg/L | 70.00 | +34% | Mar 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 70.00 | +17% | Feb 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 101.00 mg/L | 70.00 | +44% | Jan 2020 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.50 mg/L | 35.00 | +67% | Jan 2020 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 249.00 mg/L | 3.50 | +7,014% | Sep 2017 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 249.00 mg/L | 7.00 | +3,457% | Sep 2017 | Resolved |
| Solids, settleable | DMR, Limited - Numeric Violation | 98.00 mg/L | 0.50 | +19,500% | Sep 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 140.00 mg/L | 70.00 | +100% | Apr 2015 | Resolved |
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