Clean Water Act discharge permit · NPDES IL0029688
MACOMB STP, CITY OF, Macomb, IL: NPDES IL0029688 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 32Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MACOMB STP, CITY OF, held by MACOMB. CITY OF, holds NPDES permit IL0029688, which discharges to Kiljordan Creek. EPA’s file records it issued November 30, 2010 and expiring November 30, 2015. 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 | MACOMB STP, CITY OF |
|---|---|
| Permittee as filed | MACOMB. CITY OF |
| NPDES ID | IL0029688 |
| 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 | November 30, 2010 |
| Expiration date | November 30, 2015 |
| Address | Macomb, IL 61455 |
| Receiving water | KILJORDAN CREEK |
| Subwatershed | Wigwam Hollow-East Fork La Moine River (HUC 071300100305) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler IL1090355042 |
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
- 32Pollutants on file
- 32Under a numeric limit
- 26With a violation of any kind
- 7With 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 | 3 | 91 | 87 | June 30, 2026 | 30,150% over the limit |
| Solids, total suspended | 7 | 42 | 32 | June 30, 2026 | 2,027% over the limit |
| Nitrogen, ammonia total [as N] | 48 | 15 | 6 | June 30, 2024 | 103% over the limit |
| Chlorine, total residual | 3 | 11 | 5 | July 31, 2025 | 87% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 6 | 4 | November 30, 2009 | 240% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 13 | 1 | July 31, 2019 | 7% over the limit |
| pH | 6 | 7 | 1 | April 30, 2024 | |
| Flow, in conduit or thru treatment plant | 4 | 7 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 6 | 0 | ||
| Phosphorus, total [as P] | 1 | 5 | 0 | ||
| Flow, total | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 1 | 3 | 0 | ||
| Silver, total [as Ag] | 1 | 3 | 0 | ||
| Fluoride, total [as F] | 1 | 2 | 0 | ||
| Arsenic, total [as As] | 1 | 2 | 0 | ||
| Barium, total [as Ba] | 1 | 2 | 0 | ||
| Cadmium, total [as Cd] | 1 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 2 | 0 | ||
| Chromium, total [as Cr] | 1 | 2 | 0 | ||
| Copper, total [as Cu] | 1 | 2 | 0 | ||
| Iron, total [as Fe] | 1 | 2 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 2 | 0 | ||
| Lead, total [as Pb] | 1 | 2 | 0 | ||
| Manganese, total [as Mn] | 1 | 2 | 0 | ||
| Nickel, total [as Ni] | 1 | 2 | 0 | ||
| Zinc, total [as Zn] | 1 | 2 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 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
- 11Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 26, 2026 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 15, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| August 15, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| August 15, 2026 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| August 15, 2026 | Wet-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| June 26, 2026 | Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| June 11, 2026 | Wet-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| February 9, 2026 | Dry-weather SSO, no discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| July 29, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| May 20, 2025 | Wet-weather SSO discharge to waters of the U.S., not permit compliant, no endangerment | ST6 |
| March 20, 2025 | Dry-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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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 IL0029688 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.