Non-Compliance
Clean Water Act
WEST CHICAGO REGIONAL 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
-
JUNCTION ROUTE 38 AND 59 ON SARANA DRIVE
WEST CHICAGO, IL 60185
View on map ↗ - County
- DU PAGE County
- Inspections
- 2 · last Apr 24, 2023
- Total Penalties
- $0 · last Nov 2, 1988
- Registry ID
- 110010642894
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 unachieved and not reported | Dec 31, 2025 | Jan 31, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2025 | Mar 23, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2025 | Mar 23, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2025 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2024 | Dec 1, 2024 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2024 | Mar 23, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | Mar 23, 2026 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2024 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 30, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 28, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | May 5, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2023 | May 5, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2022 | — | Open |
| cwa | Schedule Event reported late | Jul 31, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2022 | Sep 8, 2022 | Resolved |
| cwa | Schedule Event unachieved but reported | Jul 31, 2022 | Sep 8, 2022 | Resolved |
| cwa | Pretreatment - Failure to Enforce Against I/U | Oct 27, 2021 | Nov 25, 2025 | Resolved |
| cwa | Pretreatment - Failure to Establish Local Limits | Oct 27, 2021 | Nov 25, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2020 | Feb 22, 2021 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2020 | Feb 22, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2019 | — | Open |
| cwa | Schedule Event reported late | Jan 31, 2019 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2019 | Oct 24, 2019 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2019 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2019 | Oct 24, 2019 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2019 | — | 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 | Mar 31, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2018 | Oct 1, 2018 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2018 | Oct 1, 2018 | Resolved |
| cwa | Schedule Event reported late | Sep 30, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2017 | Apr 1, 2018 | Resolved |
| cwa | Schedule Event unachieved but reported | Sep 30, 2017 | Apr 1, 2018 | Resolved |
| cwa | Schedule Event achieved late but reported | Sep 30, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2017 | — | 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 |
|---|---|---|---|---|---|---|
| Coliform, fecal general | DMR, Limited - Numeric Violation | 15.80 MPN/100mL | 200.00 | +99,999% | Aug 2025 | Open |
| Coliform, fecal - % samples exceeding limit | DMR, Limited - Numeric Violation | 23.00 % | 10.00 | +130% | Aug 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.44 mg/L | 3.00 | +15% | May 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.49 mg/L | 3.00 | +16% | May 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,140.00 MPN/100mL | 400.00 | +185% | May 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,643.00 MPN/100mL | 400.00 | +311% | Feb 2018 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 510.00 MPN/100mL | 400.00 | +28% | Jul 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 600.00 MPN/100mL | 400.00 | +50% | May 2017 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 500.00 MPN/100mL | 400.00 | +25% | Mar 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.05 | +580% | Sep 2016 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 920.00 MPN/100mL | 400.00 | +130% | 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.
Administrative - Formal
· Case 05-2024-0326 · Jul 3, 2024
Administrative - Formal
· Case 05-2018-0313 · Mar 19, 2018
CWA 309G2B AO For Class II Penalties
Clean Water Act
· Case 05-1999-N016 · May 30, 2000
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1998-N012 · Sep 17, 1998
State Administrative Order of Consent
Clean Water Act
· Case IL-N00006044 · Sep 26, 1997
State Administrative Order of Consent
Clean Water Act
· Case IL-N00006043 · Mar 3, 1997
State Administrative Order of Consent
Clean Water Act
· Case IL-N00003455 · Nov 4, 1996
Civil Judicial Action
Clean Water Act
· Case 05-1989-N011 · Nov 2, 1988
Judicial
· Case 05-1987-0471 · Nov 2, 1988
$50,000
CWA 309A AO For Compliance
Clean Water Act
· Case 05-1984-N053 · Mar 1, 1984
Judicial
· Case 05-1977-0011 · Apr 8, 1980
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