Non-Compliance
Clean Water Act
SENECA 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
-
305 WEST UNION STEREET
SENECA, IL 61360
View on map ↗ - County
- LA SALLE County
- Total Penalties
- $0
- Registry ID
- 110039957099
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.
10
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 reported late | Jan 31, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2026 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2025 | — | Open |
| cwa | Schedule Event reported late | Jul 31, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2022 | Jan 5, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2022 | Jan 5, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2022 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2015 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2015 | Jan 27, 2016 | Resolved |
| cwa | Schedule Event reported late | Jul 31, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 31, 2015 | Jan 27, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2014 | Mar 17, 2014 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2014 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2014 | Mar 17, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 31, 2013 | Mar 17, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2013 | — | Open |
| cwa | Schedule Event reported late | Jul 31, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2013 | Mar 17, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2010 | Jan 10, 2011 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2010 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2010 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2010 | Jan 10, 2011 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 31, 2008 | Dec 31, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2008 | — | Open |
| cwa | Schedule Event reported late | Jul 31, 2008 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2008 | Dec 31, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2008 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2008 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2008 | Jun 30, 2008 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 31, 2008 | Jun 30, 2008 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 31, 2007 | Jul 2, 2008 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2007 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2007 | Jul 2, 2008 | Resolved |
| cwa | Schedule Event reported late | Jul 31, 2007 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2006 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2002 | Sep 30, 2002 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2002 | Sep 30, 2002 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2001 | Sep 30, 2001 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2001 | Jun 8, 2001 | 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 | 31.00 mg/L | 30.00 | +3% | Dec 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Dec 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 940.00 MPN/100mL | 400.00 | +135% | Sep 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,150.00 MPN/100mL | 400.00 | +188% | May 2025 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,940.00 MPN/100mL | 400.00 | +385% | Aug 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 430.00 MPN/100mL | 400.00 | +8% | May 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,020.00 MPN/100mL | 400.00 | +155% | Oct 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 790.00 MPN/100mL | 400.00 | +98% | Sep 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,810.00 MPN/100mL | 400.00 | +353% | Aug 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jul 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jun 2023 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jul 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 620.00 MPN/100mL | 400.00 | +55% | May 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | May 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Apr 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Mar 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 670.00 MPN/100mL | 400.00 | +68% | Feb 2022 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,190.00 MPN/100mL | 400.00 | +198% | Oct 2021 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jul 2021 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Oct 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Sep 2020 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | May 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 450.00 MPN/100mL | 400.00 | +13% | Apr 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.67 mg/L | 30.00 | +42% | Feb 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Feb 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | May 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Mar 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Aug 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Dec 2015 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 870.00 MPN/100mL | 400.00 | +118% | Sep 2015 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jun 2015 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | — MPN/100mL | 400.00 | +99,999% | Jun 2015 | 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 IL-0022446 · Jan 2, 2024
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