Clean Water Act discharge permit · NPDES IL0033812
ADDISON - NORTH STP, Addison, IL: NPDES IL0033812 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
ADDISON - NORTH STP, held by ADDISON, VILLAGE OF, holds NPDES permit IL0033812, which discharges to Salt Creek. EPA’s file records it issued December 22, 2015 and expiring December 31, 2020. 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 | ADDISON - NORTH STP |
|---|---|
| Permittee as filed | ADDISON, VILLAGE OF |
| NPDES ID | IL0033812 |
| 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 | December 22, 2015 |
| Expiration date | December 31, 2020 |
| Address | Addison, IL 60101 |
| Receiving water | SALT CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | East Branch Kishwaukee River (HUC 070900060504) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler ILR000021220 |
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
- 22Pollutants on file
- 18Under a numeric limit
- 21With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Copper, dry weight | 0 | 5 | 5 | June 30, 2009 | 39% over the limit |
| Solids, total suspended | 8 | 6 | 2 | July 31, 2012 | 103% over the limit |
| Coliform, fecal general | 2 | 2 | 2 | April 30, 2017 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 18 | 13 | 1 | January 31, 2016 | 25% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 1 | 1 | July 31, 2012 | 148% over the limit |
| Copper, total [as Cu] | 0 | 1 | 1 | July 31, 2005 | 10% over the limit |
| Silver, total [as Ag] | 0 | 1 | 1 | June 30, 2002 | 173% over the limit |
| Zinc, sludge, total, dry weight [as Zn] | 0 | 1 | 1 | September 30, 2008 | 5% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 7 | 3 | 0 | ||
| Phosphorus, total [as P] | 5 | 2 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Chlorine, total residual | 3 | 1 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 1 | 0 | ||
| Alkalinity, total [as CaCO3] | 1 | 1 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Phosphorus, dissolved | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Flow, total | 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 IL0033812.
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 IL0033812 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.