Clean Water Act discharge permit · NPDES IL0060569
STERLING-ELKHORN CREEK STP, Sterling, IL: NPDES IL0060569 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 11Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
STERLING-ELKHORN CREEK STP, held by STERLING, CITY OF, holds NPDES permit IL0060569, which discharges to Rock River. EPA’s file records it issued May 1, 2012 and expiring April 30, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | STERLING-ELKHORN CREEK STP |
|---|---|
| Permittee as filed | STERLING, CITY OF |
| NPDES ID | IL0060569 |
| 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 | May 1, 2012 |
| Expiration date | April 30, 2017 |
| Address | Sterling, IL 61081 |
| Receiving water | ROCK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Skunk Creek-Elkhorn River (HUC 070900050709) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 32Pollutants on file
- 11Under a numeric limit
- 27With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 7 | 10 | 5 | February 28, 2026 | 68% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Chlorine, total residual | 3 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 1 | 0 | ||
| Oil & Grease | 0 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 0 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 1 | 0 | ||
| Fluoride, total [as F] | 0 | 1 | 0 | ||
| Arsenic, total [as As] | 0 | 1 | 0 | ||
| Barium, total [as Ba] | 0 | 1 | 0 | ||
| Cadmium, total [as Cd] | 0 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 1 | 0 | ||
| Chromium, total [as Cr] | 0 | 1 | 0 | ||
| Copper, total [as Cu] | 0 | 1 | 0 | ||
| Iron, total [as Fe] | 0 | 1 | 0 | ||
| Iron, dissolved [as Fe] | 0 | 1 | 0 | ||
| Lead, total [as Pb] | 0 | 1 | 0 | ||
| Manganese, total [as Mn] | 0 | 1 | 0 | ||
| Nickel, total [as Ni] | 0 | 1 | 0 | ||
| Silver, total [as Ag] | 0 | 1 | 0 | ||
| Zinc, total [as Zn] | 0 | 1 | 0 | ||
| Selenium, total [as Se] | 0 | 1 | 0 | ||
| Phenolics, total recoverable | 0 | 1 | 0 | ||
| Mercury, total [as Hg] | 0 | 1 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Flow | 1 | 0 | 0 | ||
| Flow, total | 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 IL0060569.
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 IL0060569 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.