Clean Water Act discharge permit · NPDES IL0029564
LINCOLN STP, CITY OF, Lincoln, IL: NPDES IL0029564 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 34Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
LINCOLN STP, CITY OF, held by LINCOLN, CITY OF, holds NPDES permit IL0029564, which discharges to Salt Creek. EPA’s file records it issued October 16, 2019 and expiring October 31, 2024. 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 | LINCOLN STP, CITY OF |
|---|---|
| Permittee as filed | LINCOLN, CITY OF |
| NPDES ID | IL0029564 |
| 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, 2019 |
| Expiration date | October 31, 2024 |
| Address | Lincoln, IL 62656 |
| Receiving water | SALT CREEK |
| Subwatershed | Senachwine Lake-Illinois River (HUC 071300011004) |
| 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
- 34Pollutants on file
- 34Under a numeric limit
- 13With a violation of any kind
- 6With 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] | 15 | 21 | 10 | February 28, 2019 | 244% over the limit |
| Coliform, fecal general | 4 | 10 | 8 | September 30, 2019 | 99,999% over the limit |
| Solids, total suspended | 9 | 127 | 5 | November 30, 2023 | 100% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 175 | 2 | May 31, 2019 | 11% over the limit |
| Oxygen, dissolved [DO] | 5 | 5 | 1 | June 30, 2013 | 3% over the limit |
| Chlorine, total residual | 3 | 4 | 1 | October 31, 2012 | 15% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 40 | 0 | ||
| Flow | 3 | 5 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Nitrogen, total [as N] | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 2 | 0 | 0 | ||
| Fluoride, total [as F] | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Barium, total [as Ba] | 2 | 0 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Iron, dissolved [as Fe] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Manganese, total [as Mn] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver, total [as Ag] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Selenium, total [as Se] | 2 | 0 | 0 | ||
| Phenolics, total recoverable | 2 | 0 | 0 | ||
| Mercury, total [as Hg] | 2 | 0 | 0 | ||
| Overflows | 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 |
|---|---|---|
| April 1, 2026 | Wet-weather CSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| April 1, 2026 | Wet-weather CSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| April 1, 2026 | Wet-weather CSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| April 1, 2026 | Wet-weather CSO, no 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.