Union Pacific Railroad Company

NPDES permit MO0116653 · Minor NON-POTW · effective, expires 2028-04-30 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 32 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (72)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableDAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Storm water flowDAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX report only all year
002Solids, settleableDAILY MX report only all year
002Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Storm water flowDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Solids, settleableDAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
003Zinc, total recoverableDAILY MX report only all year
003Lead, total recoverableDAILY MX report only all year
003Storm water flowDAILY MX report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Solids, settleableDAILY MX report only all year
004Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
004Zinc, total recoverableDAILY MX report only all year
004Lead, total recoverableDAILY MX report only all year
004Storm water flowDAILY MX report only all year
005Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX report only all year
005Solids, settleableDAILY MX report only all year
005Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
005Zinc, total recoverableDAILY MX report only all year
005Lead, total recoverableDAILY MX report only all year
005Storm water flowDAILY MX report only all year
006Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
006pHMINIMUM >= 6.5 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX report only all year
006Solids, settleableDAILY MX report only all year
006Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
006Zinc, total recoverableDAILY MX report only all year
006Lead, total recoverableDAILY MX report only all year
006Storm water flowDAILY MX report only all year
007Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
007pHMINIMUM >= 6.5 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedDAILY MX report only all year
007Solids, settleableDAILY MX report only all year
007Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
007Zinc, total recoverableDAILY MX report only all year
007Lead, total recoverableDAILY MX report only all year
007Storm water flowDAILY MX report only all year
008Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
008pHMINIMUM >= 6.5 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX report only all year
008Solids, settleableDAILY MX report only all year
008Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
008Zinc, total recoverableDAILY MX report only all year
008Lead, total recoverableDAILY MX report only all year
008Storm water flowDAILY MX 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