Southern Ionics Inc - Baton Rouge North

NPDES permit LA0123927 · Minor NON-POTW · effective, expires 2030-05-31 · 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 26 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 (57)

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
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]DAILY MX 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 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
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedDAILY MX <= 90 mg/L all year
002Solids, total suspendedDAILY MX <= 90 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Lead, total [as Pb]DAILY MX <= 50 ug/L all year
002BenzeneDAILY MX <= 50 ug/L all year
002BTEXDAILY MX <= 250 ug/L 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
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 45 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
003Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
003Coliform, fecal generalDAILY MX <= 400 #/100mL all year
004pHINST MIN >= 6 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Chloride [as Cl]MO AVG report only all year
004Chloride [as Cl]MO AVG report only all year
004Chloride [as Cl]DAILY MX report only all year
004Chloride [as Cl]DAILY MX report only all year
004Aluminum, total [as Al]MO AVG report only all year
004Aluminum, total [as Al]MO AVG report only all year
004Aluminum, total [as Al]DAILY MX report only all year
004Aluminum, total [as Al]DAILY 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
004Solids, total dissolved [TDS]MO AVG report only all year
004Solids, total dissolved [TDS]MO AVG report only all year
004Solids, total dissolved [TDS]DAILY MX report only all year
004Solids, total dissolved [TDS]DAILY 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