Non-Compliance
Clean Water Act
DEL NORTE WWTF
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
-
1 MI E. OF TOWN ON US HWY 160
DEL NORTE, CO 81132
View on map ↗ - County
- RIO GRANDE County
- Inspections
- 2 · last May 29, 2025
- Total Penalties
- $0 · last Feb 26, 2019
- Registry ID
- 110009128354
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 | Sep 1, 2025 | Dec 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2025 | Oct 31, 2025 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | May 29, 2025 | May 29, 2025 | Resolved |
| cwa | Monitoring Violations - Analysis not Conducted | May 29, 2025 | May 29, 2025 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 29, 2025 | May 29, 2025 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Apr 1, 2025 | Jul 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 1, 2025 | Mar 4, 2025 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2024 | Sep 25, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2024 | Dec 29, 2025 | Resolved |
| cwa | Schedule Event unachieved but reported | May 1, 2024 | Aug 23, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | May 1, 2024 | — | Open |
| cwa | Schedule Event reported late | May 1, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 1, 2024 | Aug 23, 2024 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2023 | Feb 22, 2024 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Jan 1, 2023 | Apr 1, 2023 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Oct 1, 2022 | Dec 31, 2022 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2021 | Mar 31, 2023 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Jan 1, 2021 | Mar 31, 2023 | Resolved |
| cwa | Schedule Event reported late | Dec 31, 2020 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Oct 1, 2020 | Dec 31, 2022 | Resolved |
| cwa | Schedule Event reported late | Sep 30, 2020 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Aug 26, 2020 | Oct 8, 2020 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Aug 26, 2020 | Oct 8, 2020 | Resolved |
| cwa | Monitoring Violations - Failure to Monitor for Toxicity Requirements | Aug 26, 2020 | Oct 8, 2020 | Resolved |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 26, 2020 | Oct 8, 2020 | Resolved |
| cwa | Monitoring Violations - Improper Analysis or Lab Error | Aug 26, 2020 | Oct 8, 2020 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2020 | Feb 4, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 30, 2020 | Sep 16, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 30, 2020 | — | Open |
| cwa | Schedule Event reported late | Jun 30, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2019 | Mar 12, 2021 | Resolved |
| cwa | Schedule Event reported late | Jun 30, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jun 30, 2019 | Mar 12, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 30, 2019 | — | Open |
| cwa | Schedule Event reported late | Jun 30, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2019 | Mar 12, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2019 | Mar 12, 2021 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2019 | — | Open |
| cwa | Schedule Event reported late | Dec 29, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 29, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2011 | Jun 1, 2014 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2010 | Dec 14, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 1, 2010 | Dec 14, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 1, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2008 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Jan 2026 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +135% | Jan 2026 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Jan 2026 | Open |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 85.30 % | 100.00 | +15% | Dec 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 79.00 % | 85.00 | +40% | Dec 2025 | Open |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 57.55 % | 100.00 | +42% | Dec 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Dec 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.12 mg/L | 11.00 | +19% | Dec 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +23% | Nov 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.91 mg/L | 8.40 | +6% | Nov 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Nov 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +19% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 78.00 mg/L | 75.00 | +4% | Sep 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 33.20 mg/L | 30.00 | +11% | Aug 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 168.00 mg/L | 110.00 | +53% | Aug 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Aug 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Aug 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 132.00 mg/L | 75.00 | +76% | Aug 2025 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +103% | Aug 2025 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +114% | Aug 2025 | Resolved |
| Zinc, potentially dissolved | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.05 | +100% | Aug 2025 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +23% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 225.00 mg/L | 110.00 | +105% | Jul 2025 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +208% | Jul 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 66.00 % | 85.00 | +127% | Jul 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +432% | Jul 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 75.00 mg/L | 45.00 | +67% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 197.00 mg/L | 75.00 | +163% | Jul 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 59.00 mg/L | 30.00 | +97% | Jul 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Jun 2025 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +51% | Jun 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +245% | Jun 2025 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +278% | Jun 2025 | Resolved |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 81.31 % | 100.00 | +19% | Jun 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +139% | May 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | May 2025 | Open |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +200% | Apr 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 66.00 % | 85.00 | +127% | Apr 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 64.00 mg/L | 45.00 | +42% | Mar 2025 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.00 mg/L | 0.00 | +11% | Mar 2025 | Resolved |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 100.00 % | 100.00 | +99,999% | Mar 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.50 mg/L | 30.00 | +65% | Mar 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 90.00 mg/L | 75.00 | +20% | Mar 2025 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +400% | Mar 2025 | Resolved |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 59.00 % | 85.00 | +173% | Mar 2025 | Open |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.00 | +768% | Feb 2025 | Resolved |
| Copper, potentially dissolved | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +671% | Feb 2025 | Resolved |
| Cadmium, potentially dissolvd | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.01 | +245% | Feb 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Feb 2025 | Open |
| BOD, 5-day, percent removal | DMR, Limited - Numeric Violation | 71.00 % | 85.00 | +93% | Feb 2025 | 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 Administrative Order of Consent
Clean Water Act
· Case CO-MC-240222-1 · Feb 22, 2024
State CWA Penalty AO
Clean Water Act
· Case CO-MO-190226-1 · Feb 26, 2019
$105,000
State Administrative Order of Consent
Clean Water Act
· Case CO-MC-190108-1 · Jan 8, 2019
State CWA Non Penalty AO
Clean Water Act
· Case CO-N00000733 · Mar 28, 2008
State CWA Non Penalty AO
Clean Water Act
· Case CO-N00000291 · Mar 19, 2004
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