UNION PACIFIC RAILROAD COMPANY

NPDES permit IL0045284 · Minor NON-POTW · administratively continued, expires 2026-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2026-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (62)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. C30DA AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMO MIN >= 6.5 SU all year
001pHMO MAX <= 9 SU all year
001Solids, total suspended30DA AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Cyanide, weak acid, dissociableSX <= .022 mg/L all year
001Cyanide, total [as CN]SX report only all year
001Arsenic, total [as As]SX report only all year
001Lead, total [as Pb]SX report only all year
001Oil and grease30DA AVG <= 15 mg/L all year
001Oil and greaseDAILY MX <= 30 mg/L all year
001AcenaphthyleneSX report only all year
001AcenaphtheneSX report only all year
001AnthraceneSX report only all year
001Benzo[k]fluorantheneSX report only all year
001Benzo[a]pyreneSX report only all year
001ChryseneSX report only all year
001FluorantheneSX report only all year
001FluoreneSX report only all year
001Indeno[1,2,3-cd]pyreneSX report only all year
001PhenanthreneSX report only all year
001PyreneSX report only all year
001Benzo[ghi]peryleneSX report only all year
001Benzo[a]anthraceneSX report only all year
001Dibenz[a,h]anthraceneSX report only all year
001NaphthaleneSX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantSEMI AVG report only all year
0013,4-BenzofluorantheneSX report only all year
002BOD, 5-day, 20 deg. C30DA AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHMO MIN >= 6.5 SU all year
002pHMO MAX <= 9 SU all year
002Solids, total suspended30DA AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Cyanide, weak acid, dissociableSX <= .022 mg/L all year
002Cyanide, total [as CN]SX report only all year
002Arsenic, total [as As]SX report only all year
002Lead, total [as Pb]SX report only all year
002Oil and grease30DA AVG <= 15 mg/L all year
002Oil and greaseDAILY MX <= 30 mg/L all year
002AcenaphthyleneSX report only all year
002AcenaphtheneSX report only all year
002AnthraceneSX report only all year
002Benzo[k]fluorantheneSX report only all year
002Benzo[a]pyreneSX report only all year
002ChryseneSX report only all year
002FluorantheneSX report only all year
002FluoreneSX report only all year
002Indeno[1,2,3-cd]pyreneSX report only all year
002PhenanthreneSX report only all year
002PyreneSX report only all year
002Benzo[ghi]peryleneSX report only all year
002Benzo[a]anthraceneSX report only all year
002Dibenz[a,h]anthraceneSX report only all year
002NaphthaleneSX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantSEMI AVG report only all year
0023,4-BenzofluorantheneSX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states