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Liberty Steel - LaPlace

Steel Foundries, Laplace, Louisiana. NPDES permit LA0054691, in force until Jan 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (24 values), outfall 002 form A quarterly (10 values), outfall 003 form Q quarterly (7 values), outfall 004 form A quarterly (4 values), outfall 005 form S twice a year, outfall 102 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 44 reports late

Limits in force (67)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 470 lb/dall year001
Solids, total suspendedmonthly average≤ 470 lb/dall year001
Solids, total suspendeddaily maximum≤ 1285 lb/dall year001
Solids, total suspendeddaily maximum≤ 1285 lb/dall year001
Oil & Greasemonthly average≤ 123 lb/dall year001
Oil & Greasemonthly average≤ 123 lb/dall year001
Oil & Greasedaily maximum≤ 336 lb/dall year001
Oil & Greasedaily maximum≤ 336 lb/dall year001
Lead, total [as Pb]monthly average≤ .12 lb/dall year001
Lead, total [as Pb]monthly average≤ .12 lb/dall year001
Lead, total [as Pb]daily maximum≤ .36 lb/dall year001
Lead, total [as Pb]daily maximum≤ .36 lb/dall year001
Zinc, total [as Zn]monthly average≤ .18 lb/dall year001
Zinc, total [as Zn]monthly average≤ .18 lb/dall year001
Zinc, total [as Zn]daily maximum≤ .54 lb/dall year001
Zinc, total [as Zn]daily maximum≤ .54 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 125 deg Fall year002
Temperature, water deg. fahrenheitdaily maximum≤ 125 deg Fall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year005
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Solids, total suspendedmonthly average≤ 30 mg/Lall year005
Solids, total suspendeddaily maximum≤ 45 mg/Lall year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Enterococcimonthly geometric mean≤ 35 #/100mLall year005
Enterococcidaily maximum≤ 135 #/100mLall year005
Coliform, fecal generalmonthly average≤ 200 #/100mLall year005
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year005
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year102
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year102
pHinstantaneous minimum≥ 6 SUall year102
pHinstantaneous maximum≤ 9 SUall year102
Solids, total suspendedmonthly average≤ 30 mg/Lall year102
Solids, total suspendeddaily maximum≤ 45 mg/Lall year102
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year102
Coliform, fecal generalmonthly average≤ 200 #/100mLall year102
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year102

How strict are these limits?

Cited limits by parameter: Louisiana's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0054691 · MCP: https://passage-data.com/mcp