Clean Water Act discharge permit · NPDES IL0022161
WATSEKA SEWAGE TREATMENT PLANT, Watseka, IL: NPDES IL0022161 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WATSEKA SEWAGE TREATMENT PLANT, held by WATSEKA, CITY OF, holds NPDES permit IL0022161, which discharges to Iroquois River. EPA’s file records it issued April 20, 2020 and expiring April 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WATSEKA SEWAGE TREATMENT PLANT |
|---|---|
| Permittee as filed | WATSEKA, CITY OF |
| NPDES ID | IL0022161 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 20, 2020 |
| Expiration date | April 30, 2025 |
| Address | Watseka, IL 60970 |
| Receiving water | IROQUOIS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Eastburo Hollow-Iroquois River (HUC 071200021001) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 36Pollutants on file
- 33Under a numeric limit
- 33With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| pH | 6 | 10 | 4 | November 30, 2022 | |
| Chlorine, total residual | 3 | 5 | 4 | April 30, 2026 | 61% over the limit |
| Solids, total suspended | 9 | 6 | 1 | July 31, 2003 | 22% over the limit |
| Coliform, fecal general | 2 | 2 | 1 | February 28, 2014 | 13% over the limit |
| Flow | 0 | 17 | 0 | ||
| Nitrogen, ammonia total [as N] | 16 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Phenolics, total recoverable | 2 | 4 | 0 | ||
| Rainfall | 0 | 4 | 0 | ||
| Fluoride, total [as F] | 2 | 3 | 0 | ||
| Arsenic, total [as As] | 2 | 3 | 0 | ||
| Copper, total [as Cu] | 2 | 3 | 0 | ||
| Iron, total [as Fe] | 2 | 3 | 0 | ||
| Zinc, total [as Zn] | 2 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Cyanide, total [as CN] | 2 | 2 | 0 | ||
| Barium, total [as Ba] | 2 | 2 | 0 | ||
| Cadmium, total [as Cd] | 2 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 2 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 2 | 0 | ||
| Lead, total [as Pb] | 2 | 2 | 0 | ||
| Manganese, total [as Mn] | 2 | 2 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Silver, total [as Ag] | 2 | 2 | 0 | ||
| Mercury, total [as Hg] | 2 | 2 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 2 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 1 | 0 | ||
| Selenium, total [as Se] | 2 | 1 | 0 | ||
| Flow, total | 2 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 8 | 0 | 0 | ||
| Overflows | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 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 IL0022161.
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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Start the watch
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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 IL0022161 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.