Clean Water Act discharge permit · NPDES IL0077879
WEST LIBERTY - DUNDAS SANITARY DISTRICT STP, Dundas, IL: NPDES IL0077879 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WEST LIBERTY - DUNDAS SANITARY DISTRICT STP, held by WEST LIBERTY - DUNDAS SANITARY DISTRICT, holds NPDES permit IL0077879, which discharges to Long Branch Creek. EPA’s file records it issued July 18, 2018 and expiring July 31, 2023. 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 | WEST LIBERTY - DUNDAS SANITARY DISTRICT STP |
|---|---|
| Permittee as filed | WEST LIBERTY - DUNDAS SANITARY DISTRICT |
| NPDES ID | IL0077879 |
| 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 | July 18, 2018 |
| Expiration date | July 31, 2023 |
| Address | Dundas, IL 62425 |
| Receiving water | LONG BRANCH CREEK |
| Subwatershed | Long Branch (HUC 051201140601) |
| 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
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 16 | 56 | 8 | June 30, 2026 | 150% over the limit |
| Oxygen, dissolved [DO] | 5 | 28 | 6 | June 30, 2026 | 47% over the limit |
| Solids, total suspended | 5 | 49 | 5 | November 30, 2025 | 250% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 42 | 2 | February 29, 2024 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 37 | 0 | ||
| pH | 2 | 18 | 0 | ||
| Chlorine, total residual | 1 | 9 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 8 | 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 IL0077879.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0077879.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0077879 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.