Clean Water Act discharge permit · NPDES IL0026301
WARREN STP, Warren, IL: NPDES IL0026301 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
WARREN STP, held by WARREN, VILLAGE OF, holds NPDES permit IL0026301, which discharges to Wolf Creek. EPA’s file records it issued October 25, 2017 and expiring October 31, 2022. 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 | WARREN STP |
|---|---|
| Permittee as filed | WARREN, VILLAGE OF |
| NPDES ID | IL0026301 |
| 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 | October 25, 2017 |
| Expiration date | October 31, 2022 |
| Address | Warren, IL 61087 |
| Receiving water | WOLF CREEK |
| Subwatershed | South Fork Apple River (HUC 070600050502) |
| 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
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 3With 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] | 19 | 21 | 17 | February 28, 2007 | 99,999% over the limit |
| Solids, total suspended | 7 | 18 | 2 | September 30, 2004 | 1,442% over the limit |
| Oxygen, dissolved [DO] | 6 | 8 | 2 | June 30, 2025 | 71% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 12 | 0 | ||
| Chlorine, total residual | 2 | 9 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| pH | 4 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Coliform, fecal general | 2 | 3 | 0 | ||
| Flow, total | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 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 IL0026301.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0026301.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0026301 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.