Clean Water Act discharge permit · NPDES IL0030091
NEOGA STP, CITY OF, Neoga, IL: NPDES IL0030091 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
NEOGA STP, CITY OF, held by NEOGA, CITY OF, holds NPDES permit IL0030091, which discharges to Unnamed Tributary Of Copperas Creek. EPA’s file records it issued June 24, 2020 and expiring June 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NEOGA STP, CITY OF |
|---|---|
| Permittee as filed | NEOGA, CITY OF |
| NPDES ID | IL0030091 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 24, 2020 |
| Expiration date | June 30, 2025 |
| Address | Neoga, IL 62447 |
| Receiving water | UNNAMED TRIBUTARY OF COPPERAS CREEK |
| Subwatershed | East Branch Green Creek (HUC 051201140106) |
| Program components on file | Biosolids, POTW |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 12Pollutants on file
- 11Under a numeric limit
- 12With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 41 | 65 | 34 | May 31, 2024 | 1,317% over the limit |
| Oxygen, dissolved [DO] | 13 | 63 | 33 | July 31, 2021 | 85% over the limit |
| Solids, total suspended | 12 | 82 | 24 | June 30, 2022 | 624% over the limit |
| pH | 8 | 46 | 2 | August 31, 2019 | |
| BOD, carbonaceous [5 day, 20 C] | 8 | 51 | 1 | January 31, 2003 | 38% over the limit |
| Coliform, fecal general | 3 | 13 | 1 | January 31, 2024 | 5,949% over the limit |
| Solids, total dissolved | 0 | 5 | 1 | April 30, 2010 | 36% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 30 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 17 | 0 | ||
| Chlorine, total residual | 3 | 16 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 12 | 0 | ||
| Flow, total | 2 | 8 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0030091.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IL0030091 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.