Clean Water Act discharge permit · NPDES IL0034282
WOODSTOCK SOUTH STP, CITY OF, Woodstock, IL: NPDES IL0034282 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 33Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
WOODSTOCK SOUTH STP, CITY OF, held by WOODSTOCK, CITY OF, holds NPDES permit IL0034282, which discharges to Kishwaukee River To Rock River. EPA’s file records it issued June 24, 2011 and expiring June 30, 2016. 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 | WOODSTOCK SOUTH STP, CITY OF |
|---|---|
| Permittee as filed | WOODSTOCK, CITY OF |
| NPDES ID | IL0034282 |
| 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 | June 24, 2011 |
| Expiration date | June 30, 2016 |
| Address | Woodstock, IL 60098 |
| Receiving water | KISHWAUKEE RIVER TO ROCK RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lily Lake-Kishwaukee River (HUC 070900060205) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler ILR000021048 |
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
- 33Pollutants on file
- 33Under a numeric limit
- 10With 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] | 64 | 8 | 8 | December 31, 2025 | 149% over the limit |
| Copper, dry weight | 3 | 7 | 7 | June 30, 2011 | 83% over the limit |
| Solids, total suspended | 6 | 5 | 2 | February 28, 2007 | 33% over the limit |
| Chlorine, total residual | 3 | 5 | 2 | August 31, 2022 | 800% over the limit |
| Coliform, fecal general | 2 | 2 | 1 | June 30, 1998 | 150% over the limit |
| pH | 4 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Zinc, total [as Zn] | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 | ||
| Level of pathogen requirements achieved | 1 | 0 | 0 | ||
| Description of pathogen option used | 1 | 0 | 0 | ||
| Vector attraction reduction alternative used | 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 IL0034282.
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
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, IL0034282.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 IL0034282 there.
Nearby on the register
- Discharge permits in Woodstock
- Every permit record in Woodstock, A to Z
- Discharge permits in Illinois
- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.