Clean Water Act discharge permit · NPDES IL0051811
SANGCHRIS LAKE STATE PARK STP, Rochester, IL: NPDES IL0051811 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SANGCHRIS LAKE STATE PARK STP, held by ILLINOIS DEPARTMENT OF NATURAL RESOURCES, holds NPDES permit IL0051811, which discharges to Unnamed Trib Of Clear Creek. EPA’s file records it issued October 6, 2016 and expiring September 30, 2021. 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 | SANGCHRIS LAKE STATE PARK STP |
|---|---|
| Permittee as filed | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| NPDES ID | IL0051811 |
| 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 | October 6, 2016 |
| Expiration date | September 30, 2021 |
| Address | Rochester, IL 62563 |
| Receiving water | UNNAMED TRIB OF CLEAR CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Town of Tovey (HUC 071300070401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 14 | 147 | 119 | June 30, 2021 | 113,300% over the limit |
| Solids, total suspended | 5 | 178 | 87 | June 30, 2021 | 21,127% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 75 | 47 | May 31, 2021 | 14,662% over the limit |
| Oxygen, dissolved [DO] | 5 | 53 | 43 | June 30, 2021 | 100% over the limit |
| Chlorine, total residual | 1 | 31 | 24 | June 30, 2021 | 6,760% over the limit |
| Coliform, fecal general | 1 | 30 | 22 | May 31, 2021 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 1 | 63 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 18 | 0 | ||
| pH | 2 | 16 | 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 IL0051811.
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 IL0051811 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.