Non-Compliance
Clean Water Act
ALEXANDER DAWSON SCHOOL
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
-
10455 DAWSON DR
LAFAYETTE, CO 80026
View on map ↗ - County
- BOULDER County
- Total Penalties
- $0
- Registry ID
- 110037271207
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.
5
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 | Aug 1, 2022 | Nov 18, 2022 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2022 | Nov 18, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2021 | Oct 13, 2021 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Aug 1, 2021 | Oct 13, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Aug 1, 2020 | Feb 5, 2021 | Resolved |
| cwa | Schedule Event unachieved and not reported | Aug 1, 2020 | Feb 5, 2021 | Resolved |
| cwa | Schedule Event reported late | Aug 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2002 | Feb 27, 2002 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2001 | Feb 27, 2001 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 20, 1998 | Dec 1, 2000 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 20, 1998 | Dec 1, 2000 | Resolved |
| cwa | Schedule Event reported late | Feb 20, 1998 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 20, 1998 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 20, 1998 | Dec 1, 2000 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 20, 1998 | Dec 1, 2000 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 20, 1998 | — | Open |
| cwa | Schedule Event reported late | Jan 20, 1998 | — | 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 |
|---|---|---|---|---|---|---|
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 1,180.00 mg/L | 250.00 | +372% | Jan 2026 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 11.50 mg/L | 10.00 | +15% | Jan 2026 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 7,705.00 mg/L | 1,240.00 | +521% | Jan 2026 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 16.10 MPN/100mL | 2.20 | +632% | May 2025 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 260.00 MPN/100mL | 23.00 | +1,030% | May 2025 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 27.10 kg/d | 22.25 | +22% | Dec 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 313.00 mg/L | 250.00 | +25% | Dec 2023 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 29.90 mg/L | 10.00 | +199% | Nov 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 66.00 MPN/100mL | 23.00 | +187% | Oct 2023 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 66.00 MPN/100mL | 2.20 | +2,900% | Oct 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 23.49 kg/d | 22.25 | +6% | Sep 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 25.20 kg/d | 22.25 | +13% | Feb 2023 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 16.00 mg/L | 10.00 | +60% | Jul 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 2.40 MPN/100mL | 2.20 | +9% | May 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 6.00 MPN/100mL | 2.20 | +173% | Mar 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 5.40 MPN/100mL | 2.20 | +145% | Feb 2022 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 29.00 MPN/100mL | 23.00 | +26% | Feb 2022 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 70.60 % | 85.00 | +17% | Sep 2021 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4.50 MPN/100mL | 2.20 | +105% | Aug 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.50 % | 85.00 | +3% | Apr 2021 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 7.50 MPN/100mL | 2.20 | +241% | Jan 2021 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 9.00 MPN/100mL | 2.20 | +309% | Dec 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 24.52 kg/d | 22.25 | +10% | Oct 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 70.00 MPN/100mL | 2.20 | +3,082% | Sep 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 70.00 MPN/100mL | 23.00 | +204% | Sep 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 8.00 MPN/100mL | 2.20 | +264% | Jun 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 82.00 MPN/100mL | 23.00 | +257% | May 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 82.00 MPN/100mL | 2.20 | +3,627% | May 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4,838.40 MPN/100mL | 23.00 | +99,999% | Feb 2020 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 69.60 MPN/100mL | 2.20 | +3,064% | Feb 2020 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 13.37 mg/L | 10.00 | +34% | Jan 2020 | Resolved |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 26.66 mg/L | 10.00 | +167% | Dec 2019 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,443.00 MPN/100mL | 2.20 | +65,491% | Nov 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 28.89 kg/d | 22.25 | +30% | Nov 2019 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 1,443.00 MPN/100mL | 23.00 | +6,174% | Nov 2019 | Open |
| Nitrogen, inorganic total | DMR, Limited - Numeric Violation | 24.92 mg/L | 10.00 | +149% | Nov 2019 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 484.50 mg/L | 250.00 | +94% | Oct 2019 | Resolved |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 391.20 mg/L | 250.00 | +56% | Aug 2019 | Resolved |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 448.50 mg/L | 250.00 | +79% | Aug 2019 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 358.90 mg/L | 250.00 | +44% | Jul 2019 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 4,838.00 MPN/100mL | 23.00 | +20,935% | Jun 2019 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 4,838.00 MPN/100mL | 2.20 | +219,809% | Jun 2019 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 253.60 mg/L | 250.00 | +1% | Jun 2019 | Resolved |
| Coliform, total general | DMR, Limited - Numeric Violation | 520.00 MPN/100mL | 23.00 | +2,161% | Apr 2019 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 22.80 MPN/100mL | 2.20 | +936% | Apr 2019 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 822.90 MPN/100mL | 2.20 | +37,305% | Mar 2019 | Open |
| Coliform, total general | DMR, Limited - Numeric Violation | 14,670.00 MPN/100mL | 23.00 | +63,683% | Mar 2019 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 853.00 mg/L | 250.00 | +241% | Jun 2018 | Open |
| Nitrite + Nitrate total [as N] | DMR, Limited - Numeric Violation | 10.85 mg/L | 10.00 | +9% | Oct 2017 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 289.00 mg/L | 250.00 | +16% | Sep 2017 | Open |
Other facilities in BOULDER County, CO
UCH - LONGS PEAK HOSPITAL
LONGMONT, CO
· Health Care and Social Assistance
DIETERICH STANDARD INC
BOULDER, CO
· Manufacturing
NOVA ANNEXATION
LONGMONT, CO
CU BOULDER MOUNTAIN CAMPUS WWTP REPAIRS
NEDERLAND, CO
ELDORADO SPRINGS POOL HOUSE
ELDORADO SPRINGS, CO