Non-Compliance
Clean Water Act
ILWACO 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
-
336 ELIZABETH AVE SE
ILWACO, WA 98624
View on map ↗ - County
- PACIFIC County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221320
- Inspections
- 9 · last Dec 25, 2025
- Total Penalties
- $0
- Registry ID
- 110009764647
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.
6
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, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2018 | Mar 18, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2018 | Mar 18, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2018 | Mar 18, 2018 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 15, 2017 | Jun 15, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 15, 2017 | Jun 15, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 15, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 15, 2016 | Jun 15, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 15, 2016 | Jun 15, 2016 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 15, 2016 | — | Open |
| cwa | Schedule Event reported late | Feb 15, 2016 | — | Open |
| cwa | Schedule Event reported late | Feb 15, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Feb 15, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 15, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event reported late | Feb 15, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event reported late | Feb 15, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event unachieved but reported | Feb 15, 2016 | Aug 11, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Feb 15, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 15, 2014 | Dec 9, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2014 | Jan 14, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2014 | Nov 15, 2014 | Resolved |
| cwa | Schedule Event reported late | Oct 15, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2014 | Dec 9, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Oct 15, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 15, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2014 | Nov 15, 2014 | Resolved |
| cwa | Schedule Event reported late | Oct 15, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | May 15, 2013 | — | Open |
| cwa | Schedule Event reported late | May 15, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 15, 2013 | — | Open |
| cwa | Schedule Event unachieved but reported | May 15, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | May 15, 2012 | — | Open |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | May 27, 2011 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Feb 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.25 mg/L | 30.00 | +14% | Feb 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.63 mg/L | 30.00 | +5% | Oct 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.50 mg/L | 45.00 | +21% | Feb 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.00 mg/L | 45.00 | +33% | Aug 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.75 mg/L | 45.00 | +24% | Jul 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.22 mg/L | 30.00 | +41% | Jul 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.56 mg/L | 30.00 | +35% | Jun 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 134.83 MPN/100mL | 110.00 | +23% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.50 mg/L | 45.00 | +3% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.98 mg/L | 30.00 | +53% | May 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 64.50 mg/L | 45.00 | +43% | May 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.76 mg/L | 30.00 | +43% | Apr 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 84.50 mg/L | 45.00 | +88% | Apr 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 59.25 mg/L | 45.00 | +32% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.75 mg/L | 30.00 | +43% | Mar 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.06 mg/L | 30.00 | +10% | Oct 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 129.01 MPN/100mL | 110.00 | +17% | Sep 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.25 mg/L | 45.00 | +49% | Aug 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.44 mg/L | 30.00 | +51% | Aug 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.06 mg/L | 30.00 | +30% | Jul 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Jul 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.50 mg/L | 30.00 | +8% | Jun 2018 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Jan 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.50 mg/L | 45.00 | +12% | Nov 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.75 mg/L | 45.00 | +37% | Oct 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.89 mg/L | 30.00 | +36% | Oct 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 65.00 mg/L | 45.00 | +44% | Sep 2017 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 130.85 MPN/100mL | 110.00 | +19% | Sep 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 72.40 % | 85.00 | +84% | Sep 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Sep 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 113.50 mg/L | 45.00 | +152% | Jul 2017 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 170.79 MPN/100mL | 110.00 | +55% | Jul 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 454.00 MPN/100mL | 370.00 | +23% | Jul 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 30.00 | +73% | Jul 2017 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.40 % | 85.00 | +4% | Jul 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 442.00 MPN/100mL | 370.00 | +19% | Jun 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 174.68 MPN/100mL | 110.00 | +59% | Jun 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.78 mg/L | 30.00 | +16% | Jun 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.11 mg/L | 30.00 | +40% | May 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 45.00 | +29% | May 2017 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.40 % | 85.00 | +11% | May 2017 | Open |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 83.00 % | 85.00 | +13% | Apr 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 45.00 | +22% | Mar 2017 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 84.50 % | 85.00 | +3% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.88 mg/L | 30.00 | +130% | Feb 2017 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 52.60 % | 85.00 | +216% | Feb 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.88 mg/L | 45.00 | +53% | Feb 2017 | Resolved |
| Solids, suspended percent removal | DMR, Limited - Numeric Violation | 76.40 % | 85.00 | +57% | Jan 2017 | Open |
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