Clean Water Act discharge permit · NPDES IL0030686
PITTSFIELD STP, Pittsfield, IL: NPDES IL0030686 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 32Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
PITTSFIELD STP, held by PITTSFIELD, CITY OF, holds NPDES permit IL0030686, which discharges to Unnamed Branch Of Panther Creek. EPA’s file records it issued September 10, 2013 and expiring September 30, 2018. 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 | PITTSFIELD STP |
|---|---|
| Permittee as filed | PITTSFIELD, CITY OF |
| NPDES ID | IL0030686 |
| 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 | September 10, 2013 |
| Expiration date | September 30, 2018 |
| Address | Pittsfield, IL 62363 |
| Receiving water | UNNAMED BRANCH OF PANTHER CREEK |
| Subwatershed | Panther Creek-Bay Creek (HUC 071100040901) |
| Program components on file | Biosolids, 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
- 32Pollutants on file
- 32Under a numeric limit
- 11With a violation of any kind
- 3With 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] | 22 | 20 | 10 | August 31, 2023 | 279% over the limit |
| Coliform, fecal general | 1 | 11 | 9 | September 30, 2023 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 5 | 1 | 1 | August 31, 2011 | 7% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 28 | 0 | ||
| Chlorine, total residual | 2 | 7 | 0 | ||
| Arsenic, total [as As] | 5 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 3 | 0 | ||
| Phosphorus, total [as P] | 2 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 2 | 0 | ||
| Silver, total [as Ag] | 3 | 2 | 0 | ||
| Cyanide, free [amenable to chlorine] | 2 | 2 | 0 | ||
| Solids, total suspended | 5 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Fluoride, total [as F] | 1 | 0 | 0 | ||
| Barium, total [as Ba] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 0 | 0 | ||
| Chromium, total [as Cr] | 1 | 0 | 0 | ||
| Copper, total [as Cu] | 1 | 0 | 0 | ||
| Iron, total [as Fe] | 1 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Manganese, total [as Mn] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Selenium, total [as Se] | 1 | 0 | 0 | ||
| Phenolics, total recoverable | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 23, 2026 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| January 3, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| June 23, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| June 4, 2025 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | 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.