Non-Compliance
Clean Water Act
PALOUSE WASTEWATER TREATMENT PLANT
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
-
500 W MAIN ST
PALOUSE, WA 99161
View on map ↗ - County
- WHITMAN County
- Inspections
- 1 · last Sep 21, 2022
- Total Penalties
- $0
- Registry ID
- 110009763559
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 achieved late but reported | Sep 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2025 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 1, 2024 | — | Open |
| cwa | Schedule Event reported late | Dec 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2024 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2024 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 1, 2024 | May 2, 2024 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 2024 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2024 | May 2, 2024 | Resolved |
| cwa | Schedule Event reported late | Dec 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 1, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2023 | — | Open |
| cwa | Schedule Event reported late | Sep 1, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2023 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 1, 2023 | Oct 19, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2023 | Oct 19, 2023 | Resolved |
| cwa | Schedule Event reported late | Dec 1, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2022 | Apr 5, 2023 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2022 | Apr 5, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 1, 2022 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 1, 2022 | Nov 1, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 1, 2022 | Nov 1, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2022 | Nov 1, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2022 | — | Open |
| cwa | Schedule Event reported late | Sep 1, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2022 | Nov 1, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2022 | — | Open |
| cwa | Schedule Event reported late | Sep 1, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2022 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 1, 2022 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Dec 1, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2021 | Mar 30, 2022 | Resolved |
| cwa | Schedule Event reported late | Dec 1, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2021 | Mar 30, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Dec 1, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Dec 1, 2021 | Mar 30, 2022 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 1, 2021 | Mar 30, 2022 | Resolved |
| cwa | Schedule Event reported late | Dec 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 1, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2021 | Nov 2, 2022 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 1, 2021 | — | Open |
| cwa | Schedule Event reported late | Sep 1, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 1, 2021 | Nov 2, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 1, 2021 | Nov 2, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 1, 2021 | Nov 2, 2022 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.60 mg/L | 15.00 | +44% | Oct 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 62.00 mg/L | 22.50 | +176% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.80 mg/L | 15.00 | +119% | Sep 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.50 mg/L | 15.00 | +10% | Aug 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 920.00 MPN/100mL | 200.00 | +360% | Jul 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 145.00 MPN/100mL | 100.00 | +45% | Jul 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 17.68 mg/L | 15.00 | +18% | Jul 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.80 mg/L | 1.30 | +192% | Feb 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.43 mg/L | 1.30 | +318% | Jan 2025 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 10.20 mg/L | 10.00 | +2% | Apr 2024 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 19.64 mg/L | 15.00 | +31% | Nov 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 23.25 mg/L | 15.00 | +55% | Oct 2023 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 73.20 % | 85.00 | +79% | Oct 2023 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 47.00 % | 85.00 | +253% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.28 mg/L | 15.00 | +275% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 13.50 mg/L | 1.30 | +99,999% | Dec 2022 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 240.00 MPN/100mL | 200.00 | +20% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 18.70 mg/L | 15.00 | +99,999% | Nov 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.10 mg/L | 1.30 | +99,999% | Nov 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.00 mg/L | 22.50 | +99,999% | Nov 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.50 mg/L | 22.50 | +111% | Aug 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,600.00 MPN/100mL | 200.00 | +700% | Aug 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 22.50 | +118% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 25.70 kg/d | 15.89 | +62% | Jun 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 125.44 kg/d | 23.83 | +426% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.80 mg/L | 1.30 | +38% | Jun 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 80.00 % | 85.00 | +33% | Apr 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 22.50 | +202% | Mar 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.00 mg/L | 15.00 | +100% | Mar 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.20 % | 85.00 | +12% | Mar 2021 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 79.80 % | 85.00 | +35% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.80 mg/L | 15.00 | +105% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 84.00 mg/L | 22.50 | +273% | Feb 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.00 mg/L | 22.50 | +16% | Oct 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 540.00 MPN/100mL | 200.00 | +170% | Aug 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 24.50 mg/L | 15.00 | +63% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 22.50 | +47% | Apr 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 10.10 mg/L | 10.00 | +1% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 18.20 mg/L | 15.00 | +21% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 22.50 | +78% | Mar 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.00 % | 85.00 | +7% | Mar 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 22.50 | +56% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.00 mg/L | 22.50 | +16% | Nov 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 22.50 mg/L | 15.00 | +50% | Oct 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.00 mg/L | 22.50 | +96% | Oct 2016 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Oct 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.80 mg/L | 15.00 | +12% | Mar 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 24.00 mg/L | 22.50 | +7% | Mar 2016 | 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 CWA Non Penalty AO
Clean Water Act
· Case WA-163833 · Jul 6, 2010
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