Clean Water Act discharge permit · NPDES IL0073172
SPOON RIVER VALLEY SCHOOL DISTRICT #4 STP, London Mills, IL: NPDES IL0073172 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SPOON RIVER VALLEY SCHOOL DISTRICT #4 STP, held by SPOON RIVER VALLEY SCHOOL DISTRICT #4, holds NPDES permit IL0073172, which discharges to Unnamed Trib Of S Swegle Creek. EPA’s file records it issued April 29, 2020 and expiring April 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SPOON RIVER VALLEY SCHOOL DISTRICT #4 STP |
|---|---|
| Permittee as filed | SPOON RIVER VALLEY SCHOOL DISTRICT #4 |
| NPDES ID | IL0073172 |
| 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 | April 29, 2020 |
| Expiration date | April 30, 2025 |
| Address | London Mills, IL 61544 |
| Receiving water | UNNAMED TRIB OF S SWEGLE CREEK |
| Subwatershed | Swegle Creek (HUC 071300051002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 7With 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 | 296 | 295 | July 31, 2026 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 120 | 120 | May 31, 2026 | 680% over the limit |
| Oxygen, dissolved [DO] | 5 | 106 | 106 | January 31, 2023 | 91% over the limit |
| Solids, total suspended | 5 | 81 | 81 | July 31, 2024 | 1,058% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 1 | 0 | ||
| pH | 2 | 1 | 0 | ||
| Coliform, fecal general | 1 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Chlorine, total residual | 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 IL0073172.
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 IL0073172 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.