Clean Water Act discharge permit · NPDES ILG580124
SCALES MOUND STP, VILLAGE OF, Scales Mound, IL: NPDES ILG580124 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SCALES MOUND STP, VILLAGE OF, held by SCALES MOUND, VILLAGE OF, holds NPDES permit ILG580124, which discharges to Mill Creek. EPA’s file records it issued April 28, 2014 and expiring June 30, 2018. 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 | SCALES MOUND STP, VILLAGE OF |
|---|---|
| Permittee as filed | SCALES MOUND, VILLAGE OF |
| NPDES ID | ILG580124 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 28, 2014 |
| Expiration date | June 30, 2018 |
| Address | Scales Mound, IL 61075 |
| Receiving water | MILL CREEK |
| Subwatershed | Mill Creek (HUC 070600050602) |
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
- 4With 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 | 35 | 23 | May 31, 2006 | 273% over the limit |
| Oxygen, dissolved [DO] | 1 | 20 | 17 | April 30, 2026 | 66% over the limit |
| Solids, total suspended | 5 | 19 | 9 | July 31, 2018 | 114% over the limit |
| pH | 2 | 15 | 7 | April 30, 2023 | |
| Chlorine, total residual | 1 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 3 | 0 | ||
| Coliform, fecal general | 1 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 1 | 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 ILG580124.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILG580124.
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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 ILG580124 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.