Clean Water Act
EVANS STP
Quick Summary
- •Assessed $0 in total penalties since records began.
- Address
-
3323 1ST AVENUE
EVANS, CO 80620
View on map ↗ - County
- WELD County
- Inspections
- 1 · last Feb 27, 2023
- Total Penalties
- $0
- Registry ID
- 110055978893
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, 2018 | Sep 30, 2020 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Apr 1, 2018 | Jun 30, 2020 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2018 | Mar 31, 2020 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Apr 1, 2017 | Jun 30, 2019 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2017 | Mar 31, 2019 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jul 1, 2016 | Aug 31, 2018 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Apr 1, 2016 | Jun 30, 2018 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2016 | Apr 1, 2018 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Oct 1, 2015 | Dec 11, 2017 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Apr 1, 2015 | Jul 1, 2017 | Resolved |
| cwa | Effluent Violations - Failed Toxicity Test | Jan 1, 2015 | Apr 1, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2009 | Mar 11, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 30, 2009 | Mar 11, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 30, 2009 | — | Open |
| cwa | Schedule Event reported late | Sep 30, 2009 | — | 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, 20 deg. C | DMR, Limited - Numeric Violation | 62.00 mg/L | 45.00 | +38% | Aug 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 46.00 mg/L | 30.00 | +53% | Aug 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 52.00 mg/L | 45.00 | +16% | Jul 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Jul 2018 | Resolved |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 42.78 % | 100.00 | +57% | Jun 2018 | Open |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 55.20 % | 100.00 | +45% | Jun 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 54.00 mg/L | 45.00 | +20% | Jun 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 37.00 mg/L | 30.00 | +23% | Jun 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | May 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | May 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 63.00 mg/L | 45.00 | +40% | Apr 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 45.00 mg/L | 30.00 | +50% | Apr 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 107.00 mg/L | 75.00 | +43% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 135.00 mg/L | 110.00 | +23% | Apr 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 37.00 mg/L | 30.00 | +23% | Mar 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Mar 2018 | Open |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 37.24 % | 100.00 | +63% | Mar 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 120.00 mg/L | 110.00 | +9% | Mar 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 94.00 mg/L | 75.00 | +25% | Mar 2018 | Open |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 70.71 % | 100.00 | +29% | Mar 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Feb 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 38.00 mg/L | 30.00 | +27% | Jan 2018 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 55.00 mg/L | 45.00 | +22% | Jan 2018 | Open |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 76.10 % | 100.00 | +24% | Dec 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 54.00 mg/L | 45.00 | +20% | Dec 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | Nov 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Nov 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Oct 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 44.00 mg/L | 30.00 | +47% | Oct 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Sep 2017 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.18 mg/L | 0.17 | +6% | Aug 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 62.00 mg/L | 45.00 | +38% | Aug 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Aug 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Jul 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 53.00 mg/L | 45.00 | +18% | Jul 2017 | Open |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 70.40 % | 100.00 | +30% | Jun 2017 | Open |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 47.29 % | 100.00 | +53% | Jun 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 49.00 mg/L | 30.00 | +63% | May 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 58.00 mg/L | 45.00 | +29% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.00 mg/L | 75.00 | +17% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 111.00 mg/L | 110.00 | +1% | May 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 52.00 mg/L | 30.00 | +73% | Apr 2017 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 78.00 mg/L | 45.00 | +73% | Apr 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Overdue | 78.00 mg/L | 45.00 | +73% | Apr 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 45.00 mg/L | 44.00 | +2% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 98.00 mg/L | 75.00 | +31% | Mar 2017 | Open |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | DMR, Limited - Numeric Violation | 68.30 % | 100.00 | +32% | Mar 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | Mar 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 133.00 mg/L | 110.00 | +21% | Mar 2017 | Open |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | DMR, Limited - Numeric Violation | 33.78 % | 100.00 | +66% | Mar 2017 | Open |
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