Non-Compliance
Clean Air Act
Clean Water Act
RCRA
TWENTYMILE COAL COMPANY
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
-
29515 COUNTY ROAD 27
OAK CREEK, CO 80467
View on map ↗ - County
- ROUTT County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 21311
- Total Penalties
- $0 · last Jun 3, 2015
- Registry ID
- 110000873671
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
12
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 | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Apr 1, 2018 | Jun 30, 2020 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Apr 1, 2018 | Jun 30, 2020 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Jul 1, 2016 | Oct 1, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 15, 2009 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2008 | Aug 13, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2008 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2008 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2008 | Aug 13, 2009 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2008 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2008 | Jan 31, 2008 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2008 | Feb 14, 2008 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2007 | Aug 31, 2007 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2005 | Dec 31, 2012 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2004 | Jul 31, 2004 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2003 | May 22, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2003 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 29, 2001 | Nov 28, 2001 | 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 | 0.00 mg/L | 0.00 | +6% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.50 mg/L | 35.00 | +7% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 81.00 mg/L | 70.00 | +16% | May 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 2.05 kg/d | 1.73 | +19% | Mar 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 97.00 mg/L | 45.00 | +116% | Mar 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 77.00 mg/L | 30.00 | +157% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 70.00 | +4% | Nov 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 110.00 mg/L | 70.00 | +57% | Sep 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.50 mg/L | 35.00 | +1% | Sep 2024 | Open |
| Sulfate [as S] | DMR, Limited - Numeric Violation | 258.00 mg/L | 250.00 | +3% | Mar 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.80 mg/L | 35.00 | +39% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.00 mg/L | 70.00 | +26% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 111.00 mg/L | 70.00 | +59% | Feb 2024 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 2.68 mg/L | 1.00 | +168% | Dec 2022 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.08 mg/L | 1.00 | +8% | Sep 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.70 mg/L | 35.00 | +8% | Jun 2022 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.39 mg/L | 1.00 | +39% | Jun 2022 | Open |
| Sulfate [as S] | DMR, Limited - Numeric Violation | 462.00 mg/L | 250.00 | +85% | Jun 2022 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 2,290.00 mg/L | 1,047.00 | +119% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 102.00 mg/L | 70.00 | +46% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.30 mg/L | 35.00 | +4% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 81.00 mg/L | 70.00 | +16% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 35.00 | +34% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.40 mg/L | 35.00 | +15% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.50 mg/L | 35.00 | +27% | Mar 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.50 mg/L | 35.00 | +10% | Mar 2020 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 7.00 mg/L | 3.50 | +100% | Feb 2020 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 8.06 mg/L | 7.00 | +15% | Jan 2020 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 4.17 mg/L | 3.50 | +19% | Jan 2020 | Open |
| Sulfate [as S] | DMR, Limited - Numeric Violation | 276.00 mg/L | 250.00 | +10% | Dec 2019 | Open |
| Solids, settleable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +100% | Sep 2019 | Open |
| Sulfate [as S] | DMR, Limited - Numeric Violation | 316.00 mg/L | 250.00 | +26% | Mar 2019 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.24 mg/L | 1.00 | +24% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 89.00 mg/L | 75.00 | +19% | Dec 2018 | Open |
| Sulfate [as S] | DMR, Limited - Numeric Violation | 1,440.00 mg/L | 250.00 | +476% | Dec 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | Dec 2018 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 401.00 mg/L | 250.00 | +60% | Dec 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Jun 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 77.00 mg/L | 70.00 | +10% | Apr 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 52.00 mg/L | 45.00 | +16% | Dec 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 126.00 mg/L | 110.00 | +15% | Dec 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 126.00 mg/L | 75.00 | +68% | Dec 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 52.00 mg/L | 30.00 | +73% | Dec 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.30 mg/L | 30.00 | +41% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 120.00 mg/L | 70.00 | +71% | Jun 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.80 mg/L | 35.00 | +19% | Nov 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 80.00 mg/L | 70.00 | +14% | Nov 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 35.00 | +43% | Jul 2015 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 27.50 MPN/100mL | 2.20 | +1,150% | Jun 2015 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.02 MGD | 0.02 | +7% | Mar 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.
State CWA Penalty AO
Clean Water Act
· Case CO-IP-150603-1 · Jun 3, 2015
$26,180
State Administrative Order of Consent
Clean Water Act
· Case CO-IC-150409-1 · Apr 9, 2015
State CWA Non Penalty AO
Clean Water Act
· Case CO-IO-140404-1 · Apr 4, 2014
State CWA Non Penalty AO
Clean Water Act
· Case CO-IO-090715-2 · Jul 15, 2009
Other facilities in ROUTT County, CO
STEAMBOAT SPRINGS CITY OF
STEAMBOAT SPRINGS, CO
US 40 OVER SHELTON DITCH NEAR HAYDEN (26274)
HAYDEN, CO
UPS STEAMBOAT SPRINGS CENTER
STEAMBOAT SPRINGS, CO
WALTON CREEK TOWNHOMES
STEAMBOAT SPRINGS, CO
CMC CAMPUS PARKING PROJECT
STEAMBOAT SPRINGS, CO
TWENTY MILE COAL CO-TREATMENT PLANT FOR WELL
OAK CREEK, CO