Lhoist North America of Alabama, LLC

NPDES permit AL0056073 · Minor NON-POTW · effective, expires 2027-08-17 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
0of 50 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 AL permits in EPA's filings — check your permit).

Limits in force (108)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 8.5 SU all year
001pHDAILY MX <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 25 mg/L all year
001Solids, total suspendedMO AVG <= 25 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Selenium, total recoverableMO AVG = 5 ug/L all year
001Selenium, total recoverableMO AVG = 5 ug/L all year
001Selenium, total recoverableDAILY MX = 20 ug/L all year
001Selenium, total recoverableDAILY MX = 20 ug/L 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
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MN >= 6 SU all year
002pHDAILY MX <= 8.5 SU all year
002pHDAILY MX <= 8.5 SU all year
002Solids, total suspendedMO AVG <= 25 mg/L all year
002Solids, total suspendedMO AVG <= 25 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Arsenic, dissolved [as As]MO AVG = .373 ug/L all year
002Arsenic, dissolved [as As]MO AVG = .373 ug/L all year
002Arsenic, dissolved [as As]DAILY MX report only all year
002Arsenic, dissolved [as As]DAILY MX report only all year
002Iron, total [as Fe]MO AVG report only all year
002Iron, total [as Fe]MO AVG report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Manganese, total [as Mn]MO AVG report only all year
002Manganese, total [as Mn]MO AVG report only all year
002Manganese, total [as Mn]DAILY MX report only all year
002Manganese, total [as Mn]DAILY MX report only all year
002Oil and greaseMO AVG report only all year
002Oil and greaseMO AVG report only all year
002Oil and greaseDAILY MX = 15 mg/L all year
002Oil and greaseDAILY MX = 15 mg/L 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
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedDAILY MX report only all year
002Solids, total dissolvedDAILY MX report only all year
002Chemical oxygen demand [COD]MO AVG report only all year
002Chemical oxygen demand [COD]MO AVG report only all year
002Chemical oxygen demand [COD]DAILY MX report only all year
002Chemical oxygen demand [COD]DAILY MX report only all year
006pHDAILY MN >= 6 SU all year
006pHDAILY MN >= 6 SU all year
006pHDAILY MX <= 8.5 SU all year
006pHDAILY MX <= 8.5 SU all year
006Solids, total suspendedMO AVG <= 25 mg/L all year
006Solids, total suspendedMO AVG <= 25 mg/L all year
006Solids, total suspendedDAILY MX <= 45 mg/L all year
006Solids, total suspendedDAILY MX <= 45 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
009pHDAILY MN >= 6 SU all year
009pHDAILY MN >= 6 SU all year
009pHDAILY MX <= 8.5 SU all year
009pHDAILY MX <= 8.5 SU all year
009Solids, total suspendedMO AVG <= 25 mg/L all year
009Solids, total suspendedMO AVG <= 25 mg/L all year
009Solids, total suspendedDAILY MX <= 45 mg/L all year
009Solids, total suspendedDAILY MX <= 45 mg/L all year
009Selenium, total recoverableMO AVG = 5 ug/L all year
009Selenium, total recoverableMO AVG = 5 ug/L all year
009Selenium, total recoverableDAILY MX = 20 ug/L all year
009Selenium, total recoverableDAILY MX = 20 ug/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Solids, total dissolvedMO AVG report only all year
009Solids, total dissolvedMO AVG report only all year
009Solids, total dissolvedDAILY MX report only all year
009Solids, total dissolvedDAILY MX report only all year
010pHDAILY MN >= 6 SU all year
010pHDAILY MN >= 6 SU all year
010pHDAILY MX <= 8.5 SU all year
010pHDAILY MX <= 8.5 SU all year
010Solids, total suspendedMO AVG <= 25 mg/L all year
010Solids, total suspendedMO AVG <= 25 mg/L all year
010Solids, total suspendedDAILY MX <= 45 mg/L all year
010Solids, total suspendedDAILY MX <= 45 mg/L all year
010Selenium, total recoverableMO AVG = 5 ug/L all year
010Selenium, total recoverableMO AVG = 5 ug/L all year
010Selenium, total recoverableDAILY MX = 20 ug/L all year
010Selenium, total recoverableDAILY MX = 20 ug/L all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Solids, total dissolvedMO AVG report only all year
010Solids, total dissolvedMO AVG report only all year
010Solids, total dissolvedDAILY MX report only all year
010Solids, total dissolvedDAILY 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