Clean Water Act discharge permit · NPDES IL0002127
UNION PACIFIC RAILROAD, Melrose Park, IL: NPDES IL0002127 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
UNION PACIFIC RAILROAD holds NPDES permit IL0002127, which discharges to Mud Creek. EPA’s file records it issued March 3, 2017 and expiring March 31, 2022. 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 | UNION PACIFIC RAILROAD |
|---|---|
| Permittee as filed | UNION PACIFIC RAILROAD |
| NPDES ID | IL0002127 |
| 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 | March 3, 2017 |
| Expiration date | March 31, 2022 |
| Address | Melrose Park, IL 60160 |
| Receiving water | MUD CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Addison Creek (HUC 071200040403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| pH | 2 | 79 | 5 | December 31, 2021 | |
| Xylene [mix of m+o+p] | 1 | 37 | 2 | December 31, 2019 | 226% over the limit |
| Oil and grease | 0 | 53 | 1 | February 28, 1998 | 20% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 132 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 35 | 0 | ||
| Solids, total suspended | 1 | 35 | 0 | ||
| Toluene | 1 | 35 | 0 | ||
| Benzene | 1 | 35 | 0 | ||
| Ethylbenzene | 1 | 35 | 0 | ||
| Oil & Grease | 2 | 14 | 0 | ||
| Fats, oils & grease [total o & g less TPH] | 0 | 4 | 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 IL0002127.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, IL0002127.
Start the watch
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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 IL0002127 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.