Clean Water Act discharge permit · NPDES IL0034495
PEKIN STP #1, Pekin, IL: NPDES IL0034495 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 32Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
PEKIN STP #1, held by PEKIN, CITY OF, holds NPDES permit IL0034495, which discharges to Illinois River. EPA’s file records it issued May 23, 2011 and expiring May 31, 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 | PEKIN STP #1 |
|---|---|
| Permittee as filed | PEKIN, CITY OF |
| NPDES ID | IL0034495 |
| 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 | May 23, 2011 |
| Expiration date | May 31, 2016 |
| Address | Pekin, IL 61554 |
| Receiving water | ILLINOIS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Pekin Lake-Illinois River (HUC 071300030304) |
| Program components on file | Biosolids, CSO, 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
- 35Pollutants on file
- 32Under a numeric limit
- 15With a violation of any kind
- 10With 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 | 2 | 49 | 39 | July 31, 2018 | 99,999% over the limit |
| Phosphorus, total [as P] | 2 | 53 | 29 | November 30, 2023 | 347% over the limit |
| Nitrogen, ammonia total [as N] | 30 | 34 | 14 | January 31, 2021 | 400% over the limit |
| Oxygen, dissolved [DO] | 0 | 9 | 9 | March 31, 2005 | 37% over the limit |
| Copper, total [as Cu] | 0 | 10 | 8 | December 31, 2025 | 739% over the limit |
| Chlorine, total residual | 3 | 20 | 6 | July 31, 2017 | 10% over the limit |
| Solids, total suspended | 6 | 46 | 4 | April 30, 2003 | 60% over the limit |
| pH | 4 | 31 | 3 | December 31, 2010 | |
| BOD, carbonaceous [5 day, 20 C] | 4 | 42 | 2 | December 31, 2016 | 378% over the limit |
| Copper, dry weight | 3 | 1 | 1 | December 31, 2010 | 13% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 24 | 0 | ||
| Nitrogen, total [as N] | 2 | 21 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 10 | 0 | ||
| Flow, total | 1 | 6 | 0 | ||
| Cyanide, weak acid, dissociable | 0 | 1 | 0 | ||
| Flow | 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 | ||
| 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 30, 2025 | Dry-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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Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.