Clean Water Act discharge permit · NPDES ILG551079
DICKSON MOUNDS MUSEUM STP, Lewistown, IL: NPDES ILG551079 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
DICKSON MOUNDS MUSEUM STP, held by DICKSON MOUNDS MUSEUM, holds NPDES permit ILG551079, which discharges to Unnamed Trib Of Sepo Creek. EPA’s file records it issued April 25, 2014 and expiring June 30, 2018. 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 | DICKSON MOUNDS MUSEUM STP |
|---|---|
| Permittee as filed | DICKSON MOUNDS MUSEUM |
| NPDES ID | ILG551079 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 25, 2014 |
| Expiration date | June 30, 2018 |
| Address | Lewistown, IL 61542 |
| Receiving water | UNNAMED TRIB OF SEPO CREEK |
| Subwatershed | Coal Creek-Illinois River (HUC 071300030606) |
| SIC | 8412 – Museums And Art Galleries |
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
- 5With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Coliform, fecal general | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ILG551079.
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 ILG551079.
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 ILG551079 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.