Non-Compliance
Clean Water Act
CROSS AND CARIBOU MINES
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $59,300 in total penalties since records began.
- Address
-
CROSS AND CARIBOU MINES
BOULDER COUNTY, CO 80466
View on map ↗ - County
- BOULDER County
- Inspections
- 2 · last Aug 16, 2023
- Total Penalties
- $59,300 · last Oct 29, 2025
- Registry ID
- 110010053878
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 | Jan 31, 2026 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2025 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 17, 2024 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2023 | Mar 10, 2026 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Aug 16, 2023 | Aug 16, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2023 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2022 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2022 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2022 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2022 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 6, 2022 | Mar 10, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2021 | Mar 10, 2026 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2021 | Apr 23, 2021 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Jan 1, 2021 | Apr 23, 2021 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Oct 1, 2019 | Dec 31, 2021 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Jan 1, 2015 | Mar 31, 2017 | Resolved |
| cwa | Schedule Event reported late | Dec 31, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 31, 2014 | May 7, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2014 | May 8, 2015 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 31, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | May 1, 2006 | Feb 28, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 1, 2006 | Feb 28, 2014 | Resolved |
| cwa | Schedule Event reported late | May 1, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2004 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2004 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2004 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2004 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2003 | Aug 19, 2003 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2003 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2003 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2002 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2002 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2002 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2002 | — | Open |
| cwa | Schedule Event reported late | May 15, 2002 | — | Open |
| cwa | Schedule Event unachieved but reported | May 15, 2002 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 15, 2002 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | May 15, 2002 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2002 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2001 | — | Open |
| cwa | Schedule Event reported late | May 15, 2001 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 15, 2001 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event unachieved but reported | May 15, 2001 | Feb 1, 2006 | Resolved |
| cwa | Schedule Event achieved late but reported | May 15, 2001 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2001 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2000 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2000 | Aug 16, 2000 | Resolved |
| cwa | Schedule Event reported late | May 15, 2000 | — | Open |
| cwa | Schedule Event achieved late but reported | May 15, 2000 | — | 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 |
|---|---|---|---|---|---|---|
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +108% | Mar 2022 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +5% | Dec 2021 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +11% | Nov 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.00 mg/L | 30.00 | +30% | Oct 2021 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +122% | Oct 2021 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +125% | Oct 2021 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.29 | +1% | Oct 2021 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +83% | Aug 2021 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.28 mg/L | 0.26 | +7% | Aug 2021 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +74% | Jul 2021 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +122% | Jun 2021 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +72% | Apr 2021 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.02 | +150% | Apr 2021 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.01 | +260% | Mar 2021 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.02 | +347% | Mar 2021 | Open |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 39.30 toxic | 73.00 | +46% | Mar 2021 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +163% | Jan 2021 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +106% | Jan 2021 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +165% | Jan 2021 | Resolved |
| Silver, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +233% | Jan 2021 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +16% | Dec 2020 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.03 | +7% | Sep 2020 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +11% | Jun 2020 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.21 | +12% | May 2020 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +176% | May 2020 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +223% | May 2020 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +30% | Jan 2020 | Open |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.18 | +86% | Jan 2020 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.19 | +18% | Jan 2020 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +71% | Jan 2020 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.18 | +24% | Dec 2019 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.19 | +20% | Dec 2019 | Resolved |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 32.50 toxic | 52.00 | +38% | Dec 2019 | Open |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.20 | +10% | Nov 2019 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +45% | Nov 2019 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.28 mg/L | 0.26 | +8% | Oct 2019 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +125% | Oct 2019 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +30% | Jul 2019 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | 0.55 MGD | 0.46 | +20% | Jun 2019 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.55 MGD | 0.46 | +20% | Jun 2019 | Open |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +48% | Jun 2019 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Overdue | 0.01 mg/L | 0.01 | +48% | Jun 2019 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +33% | Apr 2019 | Resolved |
| Silver, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +1,718% | Mar 2019 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.19 | +7% | Feb 2019 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +202% | Feb 2019 | Open |
| Silver, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +67% | Feb 2019 | Resolved |
| Lead, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +103% | Feb 2019 | Resolved |
| Silver, potentially dissolved | DMR, Limited - Overdue | 0.00 mg/L | 0.00 | +67% | Jan 2019 | Resolved |
| Silver, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +67% | Jan 2019 | 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-OP-251029-1 · Oct 29, 2025
$9,300
State CWA Non Penalty AO
Clean Water Act
· Case CO-OW-250625-1 · Jun 25, 2025
State CWA Penalty AO
Clean Water Act
· Case CO-IP-240118-1 · Jan 18, 2024
$50,000
State Administrative Order of Consent
Clean Water Act
· Case CO-IC-231114-1 · Nov 14, 2023
State CWA Non Penalty AO
Clean Water Act
· Case CO-IO-211130-1 · Nov 30, 2021
State CWA Penalty AO
Clean Water Act
· Case CO-N00000133 · Mar 12, 1999
$38,500
State Administrative Order of Consent
Clean Water Act
· Case CO-N00000154 · Mar 12, 1999
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