Clean Water Act discharge permit · NPDES IL0029343
KEWANEE STP, Kewanee, IL: NPDES IL0029343 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 34Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
KEWANEE STP, held by KEWANEE, CITY OF, holds NPDES permit IL0029343, which discharges to West Fork Spoon River. EPA’s file records it issued August 13, 2020 and expiring August 31, 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 | KEWANEE STP |
|---|---|
| Permittee as filed | KEWANEE, CITY OF |
| NPDES ID | IL0029343 |
| 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 | August 13, 2020 |
| Expiration date | August 31, 2025 |
| Address | Kewanee, IL 61413 |
| Receiving water | WEST FORK SPOON RIVER |
| Subwatershed | Headwaters West Fork Spoon River (HUC 071300050105) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 36Pollutants on file
- 34Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Chloride [as Cl] | 2 | 75 | 75 | July 31, 2026 | 120% over the limit |
| Boron, total [as B] | 0 | 8 | 8 | August 31, 2014 | 21% over the limit |
| Coliform, fecal general | 4 | 2 | 2 | July 31, 2014 | 800% over the limit |
| Nitrogen, ammonia total [as N] | 18 | 2 | 0 | ||
| Chlorine, total residual | 3 | 2 | 0 | ||
| Chloride, dissolved [as Cl] | 0 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 11 | 0 | 0 | ||
| Solids, total suspended | 10 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 0 | 0 | ||
| pH | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 3 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| Flow, total | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Flow | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 21, 2026 | Dry-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | ST6 |
| August 13, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
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 IL0029343 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.