Clean Water Act discharge permit · NPDES IL0049123
WALTONVILLE STP, VILLAGE OF, Waltonville, IL: NPDES IL0049123 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WALTONVILLE STP, VILLAGE OF, held by WALTONVILLE, VILLAGE OF, holds NPDES permit IL0049123, which discharges to Unnamed Trib To Buck Creek. EPA’s file records it issued October 19, 2017 and expiring October 31, 2022. 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 | WALTONVILLE STP, VILLAGE OF |
|---|---|
| Permittee as filed | WALTONVILLE, VILLAGE OF |
| NPDES ID | IL0049123 |
| 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 | October 19, 2017 |
| Expiration date | October 31, 2022 |
| Address | Waltonville, IL 62894 |
| Receiving water | UNNAMED TRIB TO BUCK CREEK |
| Subwatershed | Buck Creek-Big Muddy River (HUC 071401060207) |
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
- 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 5 | 38 | 31 | February 28, 2022 | 100% over the limit |
| Solids, total suspended | 5 | 36 | 26 | January 31, 2020 | 130% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 20 | 12 | September 30, 2020 | 44% over the limit |
| pH | 2 | 12 | 8 | February 28, 2022 | |
| Flow, in conduit or thru treatment plant | 4 | 10 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 2 | 0 | ||
| Chlorine, total residual | 1 | 2 | 0 | ||
| Coliform, fecal general | 1 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 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 IL0049123.
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 IL0049123 there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.