Attala Steel Industries LLC

NPDES permit MSP092480 · Minor NON-POTW · effective, expires 2030-08-31 · 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

6values over a limit
30required values missing, on 4 form(s)
7of 12 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oil and grease (4), Nickel, total recoverable (1), Iron, total recoverable (1).

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 (27)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 100 deg F all year
001BOD, 5-day, 20 deg. CMO AVG <= 200 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 300 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Nitrite + Nitrate total [as N]MO AVG <= 200 mg/L all year
001Nitrite + Nitrate total [as N]DAILY MX <= 300 mg/L all year
001Iron, total recoverableSEMI AVG <= 3 mg/L all year
001Iron, total recoverableSX <= 5 mg/L all year
001Nickel, total recoverableSEMI AVG <= .3 mg/L all year
001Nickel, total recoverableSX <= .6 mg/L all year
001Zinc, total recoverableSEMI AVG <= .5 mg/L all year
001Zinc, total recoverableSX <= 1 mg/L all year
001Aluminum, total recoverableSEMI AVG <= .75 mg/L all year
001Aluminum, total recoverableSX <= 1 mg/L all year
001Lead, total recoverableSEMI AVG <= .05 mg/L all year
001Lead, total recoverableSX <= .1 mg/L all year
001Chromium, total recoverableSEMI AVG <= .1 mg/L all year
001Chromium, total recoverableSX <= .5 mg/L all year
001Copper, total recoverableSEMI AVG <= .3 mg/L all year
001Copper, total recoverableSX <= .6 mg/L all year
001Oil and greaseMO AVG <= 15 mg/L all year
001Oil and greaseDAILY MX <= 30 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .02 MGD all year
001Chemical Oxygen Demand [COD]MO AVG <= 400 mg/L all year
001Chemical Oxygen Demand [COD]DAILY MX <= 600 mg/L 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