Clean Water Act discharge permit · NPDES IL0036412
YORKVILLE-BRISTOL SD STP, Yorkville, IL: NPDES IL0036412 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
YORKVILLE-BRISTOL SD STP, held by YORKVILLE-BRISTOL SANITARY DISTRICT, holds NPDES permit IL0036412, which discharges to Fox River. EPA’s file records it issued October 16, 2014 and expiring October 31, 2017. 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 | YORKVILLE-BRISTOL SD STP |
|---|---|
| Permittee as filed | YORKVILLE-BRISTOL SANITARY DISTRICT |
| NPDES ID | IL0036412 |
| 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 | October 16, 2014 |
| Expiration date | October 31, 2017 |
| Address | Yorkville, IL 60560 |
| Receiving water | FOX RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hollenback Creek-Fox River (HUC 071200070602) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 36Under a numeric limit
- 36With a violation of any kind
- 1With 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] | 44 | 73 | 49 | July 31, 2024 | 416% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 36 | 0 | ||
| Solids, total suspended | 9 | 35 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 32 | 0 | ||
| Phosphorus, total [as P] | 8 | 18 | 0 | ||
| Oxygen, dissolved [DO] | 10 | 16 | 0 | ||
| pH | 4 | 14 | 0 | ||
| Chlorine, total residual | 2 | 9 | 0 | ||
| Nitrogen, total [as N] | 2 | 7 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 7 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 6 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 6 | 0 | ||
| Phosphorus, dissolved | 2 | 6 | 0 | ||
| Nitrogen, Kjeldahl Total | 2 | 6 | 0 | ||
| Coliform, fecal general | 2 | 3 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| Fluoride, total [as F] | 1 | 1 | 0 | ||
| Arsenic, total [as As] | 1 | 1 | 0 | ||
| Barium, total [as Ba] | 1 | 1 | 0 | ||
| Cadmium, total [as Cd] | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Chromium, total [as Cr] | 1 | 1 | 0 | ||
| Copper, total [as Cu] | 1 | 1 | 0 | ||
| Iron, total [as Fe] | 1 | 1 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 1 | 0 | ||
| Lead, total [as Pb] | 1 | 1 | 0 | ||
| Manganese, total [as Mn] | 1 | 1 | 0 | ||
| Nickel, total [as Ni] | 1 | 1 | 0 | ||
| Silver, total [as Ag] | 1 | 1 | 0 | ||
| Zinc, total [as Zn] | 1 | 1 | 0 | ||
| Selenium, total [as Se] | 1 | 1 | 0 | ||
| Phenolics, total recoverable | 1 | 1 | 0 | ||
| Mercury, total [as Hg] | 1 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 1 | 0 | ||
| Cyanide, weak acid, dissociable | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IL0036412.
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 IL0036412 there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.