T.T. 237, LLC

NPDES permit LA0075213 · Minor NON-POTW · effective, expires 2026-10-31 · 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 54 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 (112)

OutfallParameterStatisticLimitMonths
004BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
004BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 45 mg/L 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
004Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
004Coliform, fecal generalDAILY MX <= 400 #/100mL all year
006pHINST MIN >= 6 SU all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006pHINST MAX <= 9 SU 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
006Chlorine, total residualDAILY MX <= .2 mg/L all year
006Chlorine, total residualDAILY MX <= .2 mg/L all year
008BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
008BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Solids, total suspendedMO AVG <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 45 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
008Coliform, fecal generalDAILY MX <= 400 #/100mL all year
012pHINST MIN >= 6 SU all year
012pHINST MIN >= 6 SU all year
012pHINST MAX <= 9 SU all year
012pHINST MAX <= 9 SU all year
012Solids, total suspendedDAILY MX <= 90 mg/L all year
012Solids, total suspendedDAILY MX <= 90 mg/L all year
012Solids, total suspendedDAILY MX <= 90 mg/L all year
012Solids, total suspendedDAILY MX <= 90 mg/L all year
012Oil & GreaseDAILY MX <= 15 mg/L all year
012Oil & GreaseDAILY MX <= 15 mg/L all year
012Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
012Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
012Lead, total [as Pb]DAILY MX <= 50 ug/L all year
012Lead, total [as Pb]DAILY MX <= 50 ug/L all year
012BenzeneDAILY MX <= 50 ug/L all year
012BenzeneDAILY MX <= 50 ug/L all year
012BTEXDAILY MX <= 250 ug/L all year
012BTEXDAILY MX <= 250 ug/L all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
014BOD, 5-day, 20 deg. CMO AVG <= 22 mg/L all year
014BOD, 5-day, 20 deg. CMO AVG <= 22 mg/L all year
014BOD, 5-day, 20 deg. CDAILY MX <= 61 mg/L all year
014BOD, 5-day, 20 deg. CDAILY MX <= 61 mg/L all year
014pHINST MIN >= 6 SU all year
014pHINST MIN >= 6 SU all year
014pHINST MAX <= 9 SU all year
014pHINST MAX <= 9 SU all year
014Solids, total suspendedMO AVG <= 26 mg/L all year
014Solids, total suspendedMO AVG <= 26 mg/L all year
014Solids, total suspendedDAILY MX <= 58 mg/L all year
014Solids, total suspendedDAILY MX <= 58 mg/L all year
014Oil & GreaseMO AVG <= 16 mg/L all year
014Oil & GreaseMO AVG <= 16 mg/L all year
014Oil & GreaseDAILY MX <= 36 mg/L all year
014Oil & GreaseDAILY MX <= 36 mg/L all year
014Cadmium, total [as Cd]DAILY MX <= .02 mg/L all year
014Cadmium, total [as Cd]DAILY MX <= .02 mg/L all year
014Chromium, total [as Cr]DAILY MX <= .42 mg/L all year
014Chromium, total [as Cr]DAILY MX <= .42 mg/L all year
014Copper, total [as Cu]DAILY MX <= .1 mg/L all year
014Copper, total [as Cu]DAILY MX <= .1 mg/L all year
014Lead, total [as Pb]DAILY MX <= .14 mg/L all year
014Lead, total [as Pb]DAILY MX <= .14 mg/L all year
014Nickel, total [as Ni]DAILY MX <= .58 mg/L all year
014Nickel, total [as Ni]DAILY MX <= .58 mg/L all year
014Zinc, total [as Zn]DAILY MX <= 8.3 mg/L all year
014Zinc, total [as Zn]DAILY MX <= 8.3 mg/L all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014Flow, in conduit or thru treatment plantMO AVG report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Mercury, total [as Hg]DAILY MX <= .0013 mg/L all year
014Mercury, total [as Hg]DAILY MX <= .0013 mg/L all year
05AOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
05AOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
05ApHINST MIN >= 6 SU all year
05ApHINST MIN >= 6 SU all year
05ApHINST MAX <= 9 SU all year
05ApHINST MAX <= 9 SU all year
05AOil & GreaseDAILY MX <= 15 mg/L all year
05AOil & GreaseDAILY MX <= 15 mg/L all year
05AFlow, in conduit or thru treatment plantMO AVG report only all year
05AFlow, in conduit or thru treatment plantMO AVG report only all year
05AFlow, in conduit or thru treatment plantDAILY MX report only all year
05AFlow, in conduit or thru treatment plantDAILY MX report only all year
05BOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
05BOxygen demand, chem. [high level] [COD]DAILY MX <= 250 mg/L all year
05BpHINST MIN >= 6 SU all year
05BpHINST MIN >= 6 SU all year
05BpHINST MAX <= 9 SU all year
05BpHINST MAX <= 9 SU all year
05BOil & GreaseDAILY MX <= 15 mg/L all year
05BOil & GreaseDAILY MX <= 15 mg/L all year
05BFlow, in conduit or thru treatment plantMO AVG report only all year
05BFlow, in conduit or thru treatment plantMO AVG report only all year
05BFlow, in conduit or thru treatment plantDAILY MX report only all year
05BFlow, in conduit or thru treatment plantDAILY MX report only all year
05BOil and grease visualDAILY MX <= 0 occur/d all year
05BOil and grease visualDAILY MX <= 0 occur/d 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