Clean Water Act discharge permit · NPDES IL0024350
UNIVERSITY OF ST MARY OF THE LAKE / MUNDELEIN SEMINARY STP, Mundelein, IL: NPDES IL0024350 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
UNIVERSITY OF ST MARY OF THE LAKE / MUNDELEIN SEMINARY STP, held by UNIVERSITY OF ST MARY OF THE LAKE, holds NPDES permit IL0024350, which discharges to St Marys Lake. EPA’s file records it issued March 20, 2019 and expiring February 29, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | UNIVERSITY OF ST MARY OF THE LAKE / MUNDELEIN SEMINARY STP |
|---|---|
| Permittee as filed | UNIVERSITY OF ST MARY OF THE LAKE |
| NPDES ID | IL0024350 |
| 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 |
| Program | Biosolids |
| Issued | March 20, 2019 |
| Expiration date | February 29, 2024 |
| Address | Mundelein, IL 60060 |
| Receiving water | ST MARYS LAKE |
| Subwatershed | Spring Creek-Rock Creek (HUC 070900050107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With 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] | 14 | 85 | 61 | February 28, 2025 | 1,093% over the limit |
| Coliform, fecal general | 1 | 29 | 26 | February 28, 2022 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 18 | 10 | February 28, 2022 | 210% over the limit |
| Oxygen, dissolved [DO] | 5 | 9 | 8 | November 30, 2021 | 63% over the limit |
| Solids, total suspended | 5 | 20 | 5 | May 31, 2006 | 600% over the limit |
| Chlorine, total residual | 1 | 6 | 2 | August 31, 2019 | 97,900% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| pH | 2 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 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 IL0024350.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IL0024350.
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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 IL0024350 there.
Nearby on the register
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- Every permit record in Illinois, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.