UOP LLC - UOP Shreveport Plant

NPDES permit LA0125431 · Minor NON-POTW · effective, expires 2030-12-31 · 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 28 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (59)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitINST MAX report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 8.5 SU all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
001Iron, total [as Fe]MO AVG report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]DAILY MX 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
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Solids, total dissolved [TDS]MO AVG report only all year
001Solids, total dissolved [TDS]DAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitINST MAX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 8.5 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Iron, total [as Fe]MO AVG report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Aluminum, total [as Al]MO AVG report only all year
002Aluminum, total [as Al]DAILY MX 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
002Chlorine, total residualDAILY MX <= .2 mg/L all year
002Solids, total dissolved [TDS]MO AVG report only all year
002Solids, total dissolved [TDS]DAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 8.5 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
104pHINST MIN >= 6 SU all year
104pHINST MAX <= 9 SU all year
104Solids, total suspendedDAILY MX <= 90 mg/L all year
104Solids, total suspendedDAILY MX <= 90 mg/L all year
104Oil & GreaseDAILY MX <= 15 mg/L all year
104Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
104Lead, total [as Pb]DAILY MX <= 50 ug/L all year
104BenzeneDAILY MX <= 50 ug/L all year
104BTEXDAILY MX <= 250 ug/L all year
104Flow, in conduit or thru treatment plantMO AVG report only all year
104Flow, in conduit or thru treatment plantDAILY 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