Clean Water Act discharge permit · NPDES IL0078000
MCNABB STP, VILLAGE OF, Mcnabb, IL: NPDES IL0078000 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MCNABB STP, VILLAGE OF, held by MCNABB, VILLAGE OF, holds NPDES permit IL0078000, which discharges to Unnamed Trib Of Clear Creek. EPA’s file records it issued January 9, 2020 and expiring January 31, 2025. 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 | MCNABB STP, VILLAGE OF |
|---|---|
| Permittee as filed | MCNABB, VILLAGE OF |
| NPDES ID | IL0078000 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 9, 2020 |
| Expiration date | January 31, 2025 |
| Address | Mcnabb, IL 61335 |
| Receiving water | UNNAMED TRIB OF CLEAR CREEK |
| Subwatershed | Clear Creek (HUC 071300011002) |
| 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
- 9Pollutants on file
- 9Under a numeric limit
- 9With 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] | 16 | 89 | 21 | March 31, 2026 | 326% over the limit |
| Solids, total suspended | 5 | 75 | 10 | October 31, 2021 | 258% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 55 | 3 | December 31, 2021 | 60% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 52 | 0 | ||
| pH | 2 | 26 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 15 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 13 | 0 | ||
| Chlorine, total residual | 1 | 13 | 0 | ||
| Coliform, fecal general | 1 | 7 | 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 IL0078000.
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 IL0078000 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.