Non-Compliance
Clean Water Act
MARENGO STP, CITY OF
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
-
1350 NORTH STATE ROUTE 23
MARENGO, IL 60152
View on map ↗ - County
- MCHENRY County
- Total Penalties
- $0
- Registry ID
- 110018321369
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.
8
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 | Jan 31, 2026 | Mar 3, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Oct 31, 2025 | Dec 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 31, 2025 | Aug 31, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 30, 2025 | May 31, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2025 | May 1, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2025 | Mar 3, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2024 | May 1, 2024 | Resolved |
| cwa | Schedule Event reported late | Jul 31, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | May 31, 2022 | — | Open |
| cwa | Schedule Event reported late | May 31, 2022 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 31, 2022 | Jan 27, 2023 | Resolved |
| cwa | Schedule Event unachieved but reported | May 31, 2022 | Jan 27, 2023 | Resolved |
| cwa | Schedule Event achieved late but reported | Nov 30, 2021 | — | Open |
| cwa | Schedule Event reported late | Nov 30, 2021 | — | 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 unachieved and not reported | Jul 31, 2020 | Oct 15, 2020 | Resolved |
| cwa | Schedule Event reported late | Jul 31, 2020 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 31, 2020 | Oct 15, 2020 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2019 | — | Open |
| cwa | Schedule Event achieved late but reported | Sep 30, 2017 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2016 | — | Open |
| cwa | Schedule Event reported late | Mar 31, 2016 | — | Open |
| cwa | Schedule Event unachieved but reported | Mar 31, 2016 | Jun 9, 2016 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 31, 2016 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 31, 2016 | Jun 9, 2016 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2013 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2013 | Aug 19, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2013 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2013 | Aug 19, 2013 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2010 | Feb 5, 2010 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 1, 2010 | Feb 5, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 1, 2010 | — | Open |
| cwa | Schedule Event reported late | Jan 1, 2010 | — | Open |
| cwa | WW SSO - Failure to report other violation | Nov 5, 2009 | — | Open |
| cwa | WW SSO - Overflow to Dry Land or Building Backup | Nov 5, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 31, 2006 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2004 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2003 | — | 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 |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.74 mg/L | 5.10 | +13% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.62 mg/L | 5.10 | +10% | Nov 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.30 mg/L | 24.00 | +43% | Sep 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.69 mg/L | 5.00 | +34% | Aug 2025 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.04 | +5% | Jul 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.26 mg/L | 4.70 | +33% | Mar 2025 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 15.30 mg/L | 10.00 | +53% | Feb 2022 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 10.80 mg/L | 10.00 | +8% | Jan 2022 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 12.50 mg/L | 10.00 | +25% | Dec 2021 | Resolved |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 10.70 mg/L | 10.00 | +7% | Nov 2021 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.00 mg/L | 5.10 | +18% | Dec 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.15 mg/L | 5.10 | +60% | Dec 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 4.70 | +2% | May 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 3.80 | +26% | Apr 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 70.00 mg/L | 24.00 | +192% | Apr 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.00 mg/L | 1.50 | +100% | Apr 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.50 mg/L | 4.70 | +17% | Apr 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.80 mg/L | 24.00 | +28% | Mar 2016 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 1.00 | +20% | Jan 2016 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.34 mg/L | 1.00 | +34% | Oct 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.59 mg/L | 4.70 | +40% | Oct 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.60 mg/L | 45.00 | +97% | Jul 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.50 mg/L | 30.00 | +2% | Jul 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 5.10 | +292% | Jun 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.90 mg/L | 1.50 | +360% | Jun 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 20.00 mg/L | 3.80 | +426% | Jun 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.73 mg/L | 1.80 | +107% | May 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.90 mg/L | 4.50 | +142% | May 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.90 mg/L | 5.10 | +114% | May 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-0020729 · Sep 21, 2022
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