Non-Compliance
Clean Water Act
NEPONSET STP, VILLAGE 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
-
PO BOX 79
NEPONSET, IL 61345
View on map ↗ - County
- BUREAU County
- Total Penalties
- $0 · last Mar 31, 2014
- Registry ID
- 110015317726
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.
7
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 | Permit Violations - Discharge Without a Valid Permit | Aug 29, 2022 | Aug 29, 2022 | Resolved |
| cwa | Management Practice Violations - No Licensed/Certified Operator | Jan 13, 2011 | — | Open |
| cwa | Reporting Violations - Failure to Submit DMRs | Aug 31, 2010 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 31, 2009 | Apr 28, 2009 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2009 | Apr 28, 2009 | Resolved |
| cwa | Schedule Event reported late | Jan 31, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2009 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 31, 2006 | — | 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 | 3.40 mg/L | 3.30 | +3% | Jan 2026 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.70 mg/L | 4.00 | +168% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.70 mg/L | 6.00 | +78% | Apr 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.70 mg/L | 1.60 | +569% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.30 mg/L | 6.00 | +72% | Mar 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.30 mg/L | 4.00 | +158% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 10.30 mg/L | 1.60 | +544% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.30 mg/L | 2.90 | +221% | Feb 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.30 mg/L | 3.30 | +182% | Feb 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.95 mg/L | 3.30 | +50% | Jan 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.95 mg/L | 2.90 | +71% | Jan 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 87.00 mg/L | 37.00 | +135% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 87.00 mg/L | 45.00 | +93% | Aug 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.70 mg/L | 1.60 | +6% | May 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.50 mg/L | 6.00 | +8% | May 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 2.90 | +66% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.80 mg/L | 3.30 | +45% | Jan 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.44 mg/L | 1.60 | +53% | May 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.13 mg/L | 2.00 | +107% | Jul 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.13 mg/L | 0.80 | +416% | Jul 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.86 kg/d | 1.32 | +41% | Jul 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.54 kg/d | 1.32 | +93% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.01 mg/L | 4.60 | +31% | Jun 2022 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.01 mg/L | 0.80 | +651% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.01 mg/L | 2.00 | +201% | Jun 2022 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.37 mg/L | 2.90 | +51% | Dec 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.37 mg/L | 3.30 | +32% | Dec 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.66 mg/L | 3.30 | +102% | Feb 2021 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 4.76 mg/L | 5.50 | +13% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.40 kg/d | 5.45 | +73% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.66 mg/L | 2.90 | +130% | Feb 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.80 mg/L | 2.90 | +31% | Jan 2021 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.10 mg/L | 5.50 | +7% | Jan 2021 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.80 mg/L | 3.30 | +15% | Jan 2021 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.23 mg/L | 5.50 | +5% | Dec 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.77 mg/L | 3.30 | +105% | Jan 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.77 mg/L | 2.90 | +133% | Jan 2020 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.20 mg/L | 2.90 | +10% | Dec 2018 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.40 mg/L | 5.50 | +2% | Dec 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.13 kg/d | 3.27 | +26% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.68 mg/L | 0.80 | +610% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.68 mg/L | 2.00 | +184% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 8.08 kg/d | 7.72 | +5% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.68 mg/L | 4.60 | +23% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.13 kg/d | 1.32 | +214% | Jun 2018 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.84 mg/L | 0.90 | +104% | Jul 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.35 mg/L | 4.00 | +134% | Feb 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.35 mg/L | 6.80 | +38% | Feb 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.30 mg/L | 4.00 | +133% | Jan 2017 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 9.30 mg/L | 6.80 | +37% | Jan 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-0076589-1 · Jul 22, 2025
Civil Judicial Action
Clean Water Act
· Case IL-0076589 · Mar 31, 2014
$3,000
Administrative - Formal
· Case 05-2012-4603 · Jan 4, 2012
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