Clean Water Act discharge permit · NPDES IL0020079
RIDGWAY STP, VILLAGE OF, Ridgway, IL: NPDES IL0020079 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
RIDGWAY STP, VILLAGE OF, held by RIDGWAY, VILLAGE OF, holds NPDES permit IL0020079, which discharges to Crawford Creek. EPA’s file records it issued May 17, 2019 and expiring April 30, 2024. 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 | RIDGWAY STP, VILLAGE OF |
|---|---|
| Permittee as filed | RIDGWAY, VILLAGE OF |
| NPDES ID | IL0020079 |
| 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 | May 17, 2019 |
| Expiration date | April 30, 2024 |
| Address | Ridgway, IL 62979 |
| Receiving water | CRAWFORD CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Crawford Creek-North Fork Saline River (HUC 051402040602) |
| 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
- 10Pollutants on file
- 10Under a numeric limit
- 5With a violation of any kind
- 2With 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 | 9 | 9 | June 30, 2016 | 14% over the limit |
| Solids, total suspended | 5 | 3 | 2 | May 31, 2026 | 38% over the limit |
| Coliform, fecal general | 1 | 2 | 0 | ||
| pH | 2 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 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 IL0020079.
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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- One watershed — $2,990/year
- One state — $4,990/year
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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 IL0020079 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.