Clean Water Act discharge permit · NPDES IL0032832
HERSCHER STP, VILLAGE OF, Herscher, IL: NPDES IL0032832 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
HERSCHER STP, VILLAGE OF, held by HERSCHER, VILLAGE OF, holds NPDES permit IL0032832, which discharges to East Branch Of Horse Creek. EPA’s file records it issued March 4, 2021 and expiring March 31, 2026. 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 | HERSCHER STP, VILLAGE OF |
|---|---|
| Permittee as filed | HERSCHER, VILLAGE OF |
| NPDES ID | IL0032832 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 4, 2021 |
| Expiration date | March 31, 2026 |
| Address | Herscher, IL 60941 |
| Receiving water | EAST BRANCH OF HORSE CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Branch Horse Creek (HUC 071200011602) |
| Program components on file | Biosolids, POTW |
| 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
- 9Pollutants on file
- 9Under a numeric limit
- 9With 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 | 89 | 38 | January 31, 2020 | 78% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 42 | 2 | April 30, 1995 | 13% over the limit |
| pH | 2 | 21 | 1 | March 31, 2020 | |
| Oxygen, dissolved [DO] | 5 | 20 | 1 | March 31, 2014 | 3% over the limit |
| Chlorine, total residual | 1 | 11 | 1 | June 30, 2024 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 42 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 11 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 4 | 0 | ||
| Coliform, fecal general | 1 | 4 | 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 IL0032832.
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 IL0032832 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.