Non-Compliance
Clean Air Act
Clean Water Act
RCRA
COTTER CORP SCHWARTZWALDER 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
-
8300 GLENCOE VALLEY RD
GOLDEN, CO 80403
View on map ↗ - County
- JEFFERSON County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 212291
- Inspections
- 3 · last Jun 26, 2025
- Total Penalties
- $0 · last Mar 18, 2015
- Registry ID
- 110006781526
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
10
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 | Effluent Violations - Failed Toxicity Test | Jul 1, 2021 | Sep 30, 2021 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jul 1, 2014 | Oct 24, 2014 | Resolved |
| cwa | Schedule Event reported late | Nov 30, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 30, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2005 | May 3, 2010 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2005 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2005 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2005 | May 3, 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 |
|---|---|---|---|---|---|---|
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +44,900% | Oct 2025 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +27,400% | Sep 2025 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +24,900% | Aug 2025 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +24,900% | Jul 2025 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.11 mg/L | 0.00 | +539,900% | Jun 2025 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +39,900% | Oct 2024 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +34,900% | Sep 2024 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +44,900% | Aug 2024 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +47,400% | Jul 2024 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +34,900% | Jun 2024 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +47,150% | Oct 2023 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +44,400% | Sep 2023 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +45,100% | Aug 2023 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +46,000% | Jul 2023 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +77,500% | Jun 2023 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +50,250% | Aug 2022 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +34,500% | Jul 2022 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +36,600% | Jun 2022 | Resolved |
| Arsenic, total recoverable | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +65,300% | May 2022 | Resolved |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | DMR, Limited - Numeric Violation | 50.00 % | 100.00 | +50% | Jun 2020 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 430.00 mg/L | 200.00 | +115% | Jun 2019 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +7% | Mar 2019 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +20% | Feb 2019 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +40% | Jan 2019 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Nov 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +47% | Oct 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Sep 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Aug 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +32% | Aug 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +32% | Jul 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Jul 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +35% | Jun 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Jun 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +40% | May 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | May 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +47% | Apr 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +43% | Apr 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +60% | Feb 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +53% | Feb 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +47% | Jan 2018 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +60% | Jan 2018 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +35% | Dec 2017 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +60% | Dec 2017 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +117% | Nov 2017 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +63% | Nov 2017 | Resolved |
| Cyanide, weak acid, dissociable | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +60% | Oct 2017 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Overdue | 0.03 mg/L | 0.01 | +271% | Oct 2017 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +271% | Oct 2017 | Resolved |
| Uranium, total | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +5% | Oct 2017 | Open |
| Cyanide, weak acid, dissociable | DMR, Limited - Overdue | 0.00 mg/L | 0.00 | +60% | Oct 2017 | Resolved |
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-150318-1 · Mar 18, 2015
$750,000
State Administrative Order of Consent
Clean Water Act
· Case CO-IC-150123-1 · Jan 23, 2015
State Administrative Order of Consent
Clean Water Act
· Case CO-IC-150123-1a · Jan 23, 2015
State CWA Non Penalty AO
Clean Water Act
· Case CO-IO-100601-1 · Jun 1, 2010
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