Clean Water Act discharge permit · NPDES IL0046914
UNIVERSITY FLATS MHP STP, Edwardsville, IL: NPDES IL0046914 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
UNIVERSITY FLATS MHP STP, held by UNIVERSITY FLATS MHP, holds NPDES permit IL0046914, which discharges to Cahokia Canal. EPA’s file records it issued September 30, 2019 and expiring September 30, 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 | UNIVERSITY FLATS MHP STP |
|---|---|
| Permittee as filed | UNIVERSITY FLATS MHP |
| NPDES ID | IL0046914 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 30, 2019 |
| Expiration date | September 30, 2024 |
| Address | Edwardsville, IL 62025 |
| Receiving water | CAHOKIA CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Judys Branch-Cahokia Creek (HUC 071401010301) |
| SIC | 6515 – Mobile Home Site Operators |
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
- 10Pollutants on file
- 10Under a numeric limit
- 10With a violation of any kind
- 5With 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] | 14 | 185 | 63 | November 30, 2021 | 4,571% over the limit |
| Solids, total suspended | 5 | 162 | 27 | October 31, 2021 | 383% over the limit |
| Oxygen, dissolved [DO] | 5 | 71 | 16 | December 31, 2017 | 67% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 127 | 15 | December 31, 2014 | 120% over the limit |
| Coliform, fecal general | 1 | 32 | 13 | November 30, 2015 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 110 | 0 | ||
| pH | 2 | 54 | 0 | ||
| Chlorine, total residual | 2 | 29 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 27 | 0 | ||
| Phosphorus, total [as P] | 1 | 21 | 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 IL0046914.
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 IL0046914 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.