Clean Water Act discharge permit · NPDES IL0054089
SILOAM SPRINGS STATE PARK STP, Clayton, IL: NPDES IL0054089 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
SILOAM SPRINGS STATE PARK STP, held by SILOAM SPRINGS STATE PARK, holds NPDES permit IL0054089, which discharges to Unnamed Trib Of Crabapple Lake (Siloam Springs). EPA’s file records it issued August 6, 2019 and expiring July 31, 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 | SILOAM SPRINGS STATE PARK STP |
|---|---|
| Permittee as filed | SILOAM SPRINGS STATE PARK |
| NPDES ID | IL0054089 |
| 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 | August 6, 2019 |
| Expiration date | July 31, 2024 |
| Address | Clayton, IL 62324 |
| Receiving water | UNNAMED TRIB OF CRABAPPLE LAKE (SILOAM SPRINGS) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Fishhook Creek-McKee Creek (HUC 071300110206) |
| SIC | 9512 – Land, Mineral, Wildlife Conservation |
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
- 1With 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 | 17 | 1 | July 31, 2003 | 50% over the limit |
| Solids, total suspended | 5 | 21 | 0 | ||
| Nitrogen, ammonia total [as N] | 14 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 18 | 0 | ||
| pH | 2 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 5 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 4 | 0 | ||
| Chlorine, total residual | 1 | 4 | 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 IL0054089.
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 IL0054089 there.
Nearby on the register
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- Every permit record in Clayton, A to Z
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.