Clean Water Act discharge permit · NPDES IL0020966
RIDGE FARM STP, VILLAGE OF, Ridge Farm, IL: NPDES IL0020966 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
RIDGE FARM STP, VILLAGE OF, held by RIDGE FARM, VILLAGE OF, holds NPDES permit IL0020966, which discharges to Unnamed Tributary Of Little Vermilion River. EPA’s file records it issued March 28, 2016 and expiring March 31, 2021. 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 | RIDGE FARM STP, VILLAGE OF |
|---|---|
| Permittee as filed | RIDGE FARM, VILLAGE OF |
| NPDES ID | IL0020966 |
| 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 28, 2016 |
| Expiration date | March 31, 2021 |
| Address | Ridge Farm, IL 61870 |
| Receiving water | UNNAMED TRIBUTARY OF LITTLE VERMILION RIVER |
| Subwatershed | Fairview Drain-Little Vermillion River (HUC 051201081004) |
| 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
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 4 | 381 | 41 | February 28, 2026 | 1,240% over the limit |
| Oxygen, dissolved [DO] | 7 | 124 | 33 | June 30, 2019 | 64% over the limit |
| Nitrogen, ammonia total [as N] | 19 | 430 | 31 | August 31, 2025 | 100% over the limit |
| Coliform, fecal general | 2 | 135 | 30 | May 31, 2024 | 99,999% over the limit |
| Solids, total suspended | 8 | 519 | 9 | December 31, 2022 | 233% over the limit |
| pH | 4 | 343 | 9 | February 28, 2022 | |
| Flow, in conduit or thru treatment plant | 4 | 326 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 180 | 0 | ||
| Chlorine, total residual | 2 | 153 | 0 | ||
| Flow, total | 2 | 53 | 0 | ||
| Phosphorus, total [as P] | 4 | 48 | 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 IL0020966.
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 IL0020966 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.