Non-Compliance
Clean Water Act
MCHENRY - SOUTH WWTP
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
-
222 SOUTH MCHENRY AVENUE
MCHENRY, IL 60050
View on map ↗ - County
- MCHENRY County
- Inspections
- 2 · last Jul 22, 2025
- Total Penalties
- $0
- Registry ID
- 110001123800
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.
2
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 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | Jan 14, 2026 | — | Open |
| cwa | Schedule Event unachieved and not reported | Dec 31, 2025 | Jan 31, 2026 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2023 | Aug 3, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2023 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2023 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2023 | Aug 3, 2023 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2020 | Jul 27, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2020 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2020 | Jul 27, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2019 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2018 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 1, 2017 | Aug 1, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | May 1, 2017 | — | Open |
| cwa | Schedule Event reported late | May 1, 2017 | — | Open |
| cwa | Schedule Event unachieved but reported | May 1, 2017 | Aug 1, 2017 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2017 | May 3, 2017 | Resolved |
| cwa | Schedule Event reported late | Mar 31, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Mar 31, 2017 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2017 | May 3, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2016 | May 10, 2017 | Resolved |
| cwa | Schedule Event unachieved but reported | Oct 31, 2016 | May 10, 2017 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 31, 2016 | — | Open |
| cwa | Schedule Event reported late | Oct 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 30, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2016 | Jun 7, 2016 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 31, 2016 | Jun 7, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2016 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2016 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 30, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Sep 30, 2014 | Dec 5, 2014 | Resolved |
| cwa | Schedule Event reported late | Sep 30, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Sep 30, 2014 | Dec 5, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 31, 2014 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jun 30, 2014 | Dec 5, 2014 | Resolved |
| cwa | Schedule Event unachieved but reported | Jun 30, 2014 | Dec 5, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Jun 30, 2014 | — | Open |
| cwa | Schedule Event reported late | Jun 30, 2014 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2013 | Mar 12, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2013 | Mar 12, 2013 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2013 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2012 | May 7, 2012 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 1, 2012 | May 7, 2012 | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.10 mg/L | 1.50 | +40% | Jul 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.55 mg/L | 3.20 | +42% | Jul 2021 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 1,000.00 MPN/100mL | 400.00 | +150% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 53.12 kg/d | 34.96 | +52% | May 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 732.30 kg/d | 511.20 | +43% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.80 mg/L | 2.20 | +27% | May 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.76 mg/L | 2.20 | +25% | Oct 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 49.33 kg/d | 34.96 | +41% | Oct 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 103.37 kg/d | 34.96 | +196% | Sep 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.00 mg/L | 2.20 | +36% | Sep 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 450.00 MPN/100mL | 400.00 | +13% | Sep 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 36.64 kg/d | 34.96 | +5% | Apr 2019 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 750.00 MPN/100mL | 400.00 | +88% | Dec 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.35 mg/L | 2.70 | +24% | Dec 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 66.45 kg/d | 43.13 | +54% | Dec 2017 | 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-N00006757 · Feb 10, 2004
State Administrative Order of Consent
Clean Water Act
· Case IL-N00007010 · Oct 25, 2002
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