Clean Water Act discharge permit · NPDES IL0030953
SALT CREEK SD STP, Villa Park, IL: NPDES IL0030953 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 37Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
SALT CREEK SD STP, held by SALT CREEK SANITARY DISTRICT, holds NPDES permit IL0030953, which discharges to Salt Creek. EPA’s file records it issued April 18, 2016 and expiring April 30, 2021. 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 | SALT CREEK SD STP |
|---|---|
| Permittee as filed | SALT CREEK SANITARY DISTRICT |
| NPDES ID | IL0030953 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 18, 2016 |
| Expiration date | April 30, 2021 |
| Address | Villa Park, IL 60181 |
| Receiving water | SALT CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Salt Creek (HUC 071200040404) |
| Program components on file | POTW, Pretreatment |
| 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
- 38Pollutants on file
- 37Under a numeric limit
- 14With a violation of any kind
- 5With 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] | 28 | 52 | 38 | September 30, 2021 | 250% over the limit |
| Coliform, fecal general | 2 | 30 | 25 | June 30, 2021 | 99,999% over the limit |
| Solids, total suspended | 9 | 36 | 7 | April 30, 2011 | 363% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 29 | 5 | November 30, 2024 | 100% over the limit |
| Oxygen, dissolved [DO] | 10 | 5 | 2 | July 31, 2012 | 4% over the limit |
| Chlorine, total residual | 2 | 78 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 15 | 0 | ||
| pH | 4 | 12 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 5 | 1 | 0 | ||
| Nitrogen, total [as N] | 3 | 1 | 0 | ||
| Zinc, total [as Zn] | 2 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 1 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Phosphorus, dissolved | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl Total | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 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 IL0030953.
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.
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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 IL0030953 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.