Clean Water Act discharge permit · NPDES IL0021415
WOODHULL - SOUTH STP, VILLAGE OF, Woodhull, IL: NPDES IL0021415 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
WOODHULL - SOUTH STP, VILLAGE OF, held by WOODHULL, VILLAGE OF, holds NPDES permit IL0021415, which discharges to Unnamed Trib To Pope Creek. EPA’s file records it issued June 16, 2016 and expiring May 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 | WOODHULL - SOUTH STP, VILLAGE OF |
|---|---|
| Permittee as filed | WOODHULL, VILLAGE OF |
| NPDES ID | IL0021415 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 16, 2016 |
| Expiration date | May 31, 2021 |
| Address | Woodhull, IL 61490 |
| Receiving water | UNNAMED TRIB TO POPE CREEK |
| Subwatershed | Headwaters Pope Creek (HUC 070801040501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 11 | 5 | July 31, 2023 | 217% over the limit |
| Oxygen, dissolved [DO] | 5 | 6 | 4 | July 31, 2021 | 99,999% over the limit |
| pH | 2 | 4 | 2 | January 31, 2017 | |
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Coliform, fecal general | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 31, 2025 | Wet-weather unanticipated prohibited bypass discharge to waters of the U.S. - endangerment | 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 IL0021415 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.