Non-Compliance
Clean Water Act
BOULDER OPEN SPACE SEEP OUTFALLS 002A AND 003A
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $458,211 in total penalties since records began.
- Address
-
HWY 36 AND NEVA RD
BOULDER, CO 80302
View on map ↗ - County
- BOULDER County
- Total Penalties
- $458,211 · last Nov 12, 2025
- Registry ID
- 110071277970
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 | Jun 30, 2025 | Sep 29, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 31, 2025 | Aug 30, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 30, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2024 | Jul 2, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Nov 30, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 30, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 1, 2023 | Jul 2, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 30, 2023 | — | 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 |
|---|---|---|---|---|---|---|
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +4,683% | Dec 2025 | Resolved |
| 1,2-cis-Dichloroethylene | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.07 | +11% | Nov 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +9,857% | Nov 2025 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +4,726% | Oct 2025 | Resolved |
| 1,2-cis-Dichloroethylene | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.07 | +15% | Sep 2025 | Open |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.05 | +19% | Sep 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +7,422% | Sep 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +7,683% | Sep 2025 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +4,900% | Aug 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.09 mg/L | 0.05 | +65% | Jul 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +17,465% | Jun 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 6.93 mg/L | 1.00 | +593% | Jun 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.38 mg/L | 0.05 | +598% | Jun 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 6.00 mg/L | 1.00 | +500% | May 2025 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +20% | May 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +21,943% | May 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.05 | +664% | May 2025 | Resolved |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +59% | May 2025 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +128% | Apr 2025 | Open |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.05 | +444% | Apr 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.07 mg/L | 1.00 | +407% | Apr 2025 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +21,726% | Apr 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.20 mg/L | 0.05 | +270% | Mar 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.46 mg/L | 1.00 | +346% | Mar 2025 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +15,900% | Mar 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.26 mg/L | 0.05 | +385% | Feb 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.42 mg/L | 1.00 | +342% | Feb 2025 | Resolved |
| 1,4-Dioxane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +31% | Feb 2025 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +26,770% | Feb 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.57 mg/L | 1.00 | +357% | Jan 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.05 | +433% | Jan 2025 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +17,900% | Jan 2025 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.05 | +509% | Dec 2024 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +29,161% | Dec 2024 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.50 mg/L | 1.00 | +450% | Dec 2024 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +15,813% | Nov 2024 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.09 mg/L | 1.00 | +409% | Nov 2024 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.31 mg/L | 0.05 | +478% | Nov 2024 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +11,378% | Oct 2024 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.05 | +569% | Oct 2024 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 7.13 mg/L | 1.00 | +613% | Oct 2024 | Resolved |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.21 mg/L | 0.05 | +280% | Oct 2024 | Open |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +11,465% | Oct 2024 | Open |
| Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | 0.43 mg/L | 0.05 | +704% | Sep 2024 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +15,552% | Sep 2024 | Resolved |
| 1,4-Dioxane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +17% | Sep 2024 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 7.64 mg/L | 1.00 | +664% | Sep 2024 | Resolved |
| 1,4-Dioxane | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +23% | Aug 2024 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 8.17 mg/L | 1.00 | +717% | Aug 2024 | Resolved |
| Vinyl chloride | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +14,030% | Aug 2024 | 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-251112-1 · Nov 12, 2025
$458,211
State Administrative Order of Consent
Clean Water Act
· Case CO-IC-251007-1 · Oct 7, 2025
State CWA Non Penalty AO
Clean Water Act
· Case CO-IO-230131-1 · Jan 31, 2023
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