Clean Water Act discharge permit · NPDES IL0022365
BENTON NORTHWEST STP, CITY OF, Benton, IL: NPDES IL0022365 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 39Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BENTON NORTHWEST STP, CITY OF, held by BENTON, CITY OF, holds NPDES permit IL0022365, which discharges to Big Muddy River. EPA’s file records it issued November 4, 2016 and expiring October 31, 2021. 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 | BENTON NORTHWEST STP, CITY OF |
|---|---|
| Permittee as filed | BENTON, CITY OF |
| NPDES ID | IL0022365 |
| 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 | November 4, 2016 |
| Expiration date | October 31, 2021 |
| Address | Benton, IL 62812 |
| Receiving water | BIG MUDDY RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sugar Creek-Big Muddy River (HUC 071401060702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 39Pollutants on file
- 39Under a numeric limit
- 32With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 8 | 78 | 76 | May 31, 2024 | 99,999% over the limit |
| Solids, total suspended | 30 | 55 | 49 | November 30, 2023 | 132% over the limit |
| Chlorine, total residual | 13 | 24 | 18 | June 30, 2019 | 137% over the limit |
| Phosphorus, total [as P] | 11 | 21 | 17 | May 31, 2026 | 130% over the limit |
| Nitrogen, ammonia total [as N] | 72 | 25 | 13 | August 31, 2024 | 324% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 8 | 8 | November 30, 2016 | 73% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 20 | 15 | 7 | March 31, 2020 | 605% over the limit |
| Zinc, total [as Zn] | 3 | 6 | 1 | March 31, 2007 | 420% over the limit |
| Copper, total [as Cu] | 11 | 3 | 0 | ||
| Oil & Grease | 3 | 3 | 0 | ||
| Cyanide, total [as CN] | 3 | 3 | 0 | ||
| Cyanide, free [amenable to chlorination] | 3 | 3 | 0 | ||
| Fluoride, total [as F] | 3 | 3 | 0 | ||
| Arsenic, total [as As] | 3 | 3 | 0 | ||
| Barium, total [as Ba] | 3 | 3 | 0 | ||
| Cadmium, total [as Cd] | 3 | 3 | 0 | ||
| Chromium, hexavalent [as Cr] | 3 | 3 | 0 | ||
| Chromium, total [as Cr] | 3 | 3 | 0 | ||
| Iron, total [as Fe] | 3 | 3 | 0 | ||
| Iron, dissolved [as Fe] | 3 | 3 | 0 | ||
| Lead, total [as Pb] | 3 | 3 | 0 | ||
| Manganese, total [as Mn] | 3 | 3 | 0 | ||
| Nickel, total [as Ni] | 3 | 3 | 0 | ||
| Silver, total [as Ag] | 3 | 3 | 0 | ||
| Selenium, total [as Se] | 3 | 3 | 0 | ||
| Phenolics, total recoverable | 3 | 3 | 0 | ||
| Mercury, total [as Hg] | 3 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 27 | 2 | 0 | ||
| pH | 14 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 14 | 2 | 0 | ||
| Nitrogen, total [as N] | 5 | 2 | 0 | ||
| Nitrogen, Kjeldahl Total | 3 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 3 | 0 | 0 | ||
| Specific conductance | 3 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 3 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 0 | 0 | ||
| Phosphorus, dissolved | 3 | 0 | 0 | ||
| Flow, total | 3 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0022365.
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 IL0022365 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.