Clean Water Act discharge permit · NPDES IL0031739
WEST BRANCH WATER RECLAMATION DISTRICT WWTF, Wheaton, IL: NPDES IL0031739 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 39Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
WEST BRANCH WATER RECLAMATION DISTRICT WWTF, held by WHEATON SANITARY DISTRICT, holds NPDES permit IL0031739, which discharges to Spring Brook. EPA’s file records it issued July 19, 2016 and expiring July 31, 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 | WEST BRANCH WATER RECLAMATION DISTRICT WWTF |
|---|---|
| Permittee as filed | WHEATON SANITARY DISTRICT |
| NPDES ID | IL0031739 |
| 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 | July 19, 2016 |
| Expiration date | July 31, 2021 |
| Address | Wheaton, IL 60189 |
| Receiving water | SPRING BROOK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower West Branch Du Page River (HUC 071200040805) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler ILD984909150 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 40Pollutants on file
- 39Under a numeric limit
- 28With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 4 | 35 | 10 | July 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 10 | 53 | 4 | July 31, 2026 | 79% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 53 | 4 | July 31, 2026 | 27% over the limit |
| Cyanide, weak acid, dissociable | 0 | 2 | 2 | September 30, 2008 | 73% over the limit |
| Copper, total [as Cu] | 2 | 1 | 1 | August 31, 2006 | 148% over the limit |
| Oxygen, dissolved [DO] | 9 | 69 | 0 | ||
| Nitrogen, ammonia total [as N] | 26 | 50 | 0 | ||
| pH | 6 | 50 | 0 | ||
| Flow, total | 3 | 26 | 0 | ||
| Chlorine, total residual | 4 | 25 | 0 | ||
| Phosphorus, total [as P] | 4 | 24 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 5 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Oil & Grease | 2 | 1 | 0 | ||
| Cyanide, total [as CN] | 2 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 1 | 0 | ||
| Arsenic, total [as As] | 2 | 1 | 0 | ||
| Cadmium, total [as Cd] | 2 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 1 | 0 | ||
| Chromium, total [as Cr] | 2 | 1 | 0 | ||
| Iron, total [as Fe] | 2 | 1 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 1 | 0 | ||
| Lead, total [as Pb] | 2 | 1 | 0 | ||
| Nickel, total [as Ni] | 2 | 1 | 0 | ||
| Silver, total [as Ag] | 2 | 1 | 0 | ||
| Selenium, total [as Se] | 2 | 1 | 0 | ||
| Phenolics, total recoverable | 2 | 1 | 0 | ||
| Mercury, total [as Hg] | 2 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 1 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, dissolved | 1 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 0 | 0 | ||
| Coliform, fecal - % samples exceeding limit | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 12, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| January 8, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| January 31, 2025 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.