Clean Water Act discharge permit · NPDES IL0021156
SOUTH BELOIT STP, CITY OF, South Beloit, IL: NPDES IL0021156 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SOUTH BELOIT STP, CITY OF, held by SOUTH BELOIT, CITY OF, holds NPDES permit IL0021156, which discharges to Rock River. EPA’s file records it issued December 21, 2011 and expiring December 31, 2016. 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 | SOUTH BELOIT STP, CITY OF |
|---|---|
| Permittee as filed | SOUTH BELOIT, CITY OF |
| NPDES ID | IL0021156 |
| 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 | December 21, 2011 |
| Expiration date | December 31, 2016 |
| Address | South Beloit, IL 61080 |
| Receiving water | ROCK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Beloit-Lower Rock River (HUC 070900021502) |
| Program components on file | Biosolids, POTW, Pretreatment |
| 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
- 31Pollutants on file
- 10Under a numeric limit
- 31With a violation of any kind
- 5With 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 | 5 | 44 | 19 | February 28, 2019 | 301% over the limit |
| Nitrogen, ammonia total [as N] | 14 | 40 | 12 | June 30, 2021 | 180% over the limit |
| Chlorine, total residual | 2 | 13 | 3 | July 31, 2003 | 160% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 21 | 1 | January 31, 2020 | 4% over the limit |
| Coliform, fecal general | 1 | 3 | 1 | May 31, 2019 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 20 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Nitrogen, total [as N] | 1 | 7 | 0 | ||
| Phosphorus, total [as P] | 1 | 7 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 5 | 0 | ||
| Oil & Grease | 0 | 3 | 0 | ||
| Cyanide, total [as CN] | 0 | 3 | 0 | ||
| Fluoride, total [as F] | 0 | 3 | 0 | ||
| Arsenic, total [as As] | 0 | 3 | 0 | ||
| Barium, total [as Ba] | 0 | 3 | 0 | ||
| Cadmium, total [as Cd] | 0 | 3 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 3 | 0 | ||
| Chromium, total [as Cr] | 0 | 3 | 0 | ||
| Copper, total [as Cu] | 0 | 3 | 0 | ||
| Iron, total [as Fe] | 0 | 3 | 0 | ||
| Iron, dissolved [as Fe] | 0 | 3 | 0 | ||
| Lead, total [as Pb] | 0 | 3 | 0 | ||
| Manganese, total [as Mn] | 0 | 3 | 0 | ||
| Nickel, total [as Ni] | 0 | 3 | 0 | ||
| Silver, total [as Ag] | 0 | 3 | 0 | ||
| Zinc, total [as Zn] | 0 | 3 | 0 | ||
| Phenolics, total recoverable | 0 | 3 | 0 | ||
| Mercury, total [as Hg] | 0 | 3 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 2 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 1 | 0 | ||
| Selenium, total [as Se] | 0 | 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 IL0021156.
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 IL0021156 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.