Liberty Steel - LaPlace

NPDES permit LA0054691 · Minor NON-POTW · effective, expires 2029-01-31 · 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 38 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 LA permits in EPA's filings — check your permit).

Limits in force (67)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 470 lb/d all year
001Solids, total suspendedMO AVG <= 470 lb/d all year
001Solids, total suspendedDAILY MX <= 1285 lb/d all year
001Solids, total suspendedDAILY MX <= 1285 lb/d all year
001Oil & GreaseMO AVG <= 123 lb/d all year
001Oil & GreaseMO AVG <= 123 lb/d all year
001Oil & GreaseDAILY MX <= 336 lb/d all year
001Oil & GreaseDAILY MX <= 336 lb/d all year
001Lead, total [as Pb]MO AVG <= .12 lb/d all year
001Lead, total [as Pb]MO AVG <= .12 lb/d all year
001Lead, total [as Pb]DAILY MX <= .36 lb/d all year
001Lead, total [as Pb]DAILY MX <= .36 lb/d all year
001Zinc, total [as Zn]MO AVG <= .18 lb/d all year
001Zinc, total [as Zn]MO AVG <= .18 lb/d all year
001Zinc, total [as Zn]DAILY MX <= .54 lb/d all year
001Zinc, total [as Zn]DAILY MX <= .54 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG 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 plantDAILY MX report only all year
002Temperature, water deg. fahrenheitDAILY MX <= 125 deg F all year
002Temperature, water deg. fahrenheitDAILY MX <= 125 deg F all year
002pHINST MIN >= 6 SU all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Flow, in conduit or thru treatment plantMO AVG 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 plantDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 50 mg/L 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
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
005BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedMO AVG <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 45 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005EnterococciMOAV GEO <= 35 #/100mL all year
005EnterococciDAILY MX <= 135 #/100mL all year
005Coliform, fecal generalMO AVG <= 200 #/100mL all year
005Coliform, fecal generalDAILY MX <= 400 #/100mL all year
102BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
102BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
102pHINST MIN >= 6 SU all year
102pHINST MAX <= 9 SU all year
102Solids, total suspendedMO AVG <= 30 mg/L all year
102Solids, total suspendedDAILY MX <= 45 mg/L all year
102Flow, in conduit or thru treatment plantMO AVG report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
102Coliform, fecal generalMO AVG <= 200 #/100mL all year
102Coliform, fecal generalDAILY MX <= 400 #/100mL 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