REAGENT CHEMICAL AND RESEARCH LLC - REGENT CHEMICAL:ST GABRIEL

NPDES permit LA0059579 · Minor NON-POTW · effective, expires 2027-03-31 · 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 20 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 (43)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]MO AVG <= 200 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 300 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Chloride [as Cl]MO AVG <= 250 mg/L all year
001Chloride [as Cl]DAILY MX <= 500 mg/L 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
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
002Chloride [as Cl]MO AVG <= 250 mg/L all year
002Chloride [as Cl]DAILY MX <= 500 mg/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
002Solids, total dissolved [TDS]MO AVG report only all year
002Solids, total dissolved [TDS]DAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Chloride [as Cl]MO AVG <= 250 mg/L all year
006Chloride [as Cl]DAILY MX <= 500 mg/L 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
006Solids, total dissolved [TDS]MO AVG report only all year
006Solids, total dissolved [TDS]DAILY MX report only all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
007Chloride [as Cl]MO AVG <= 250 mg/L all year
007Chloride [as Cl]DAILY MX <= 500 mg/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
008Chloride [as Cl]MO AVG <= 250 mg/L all year
008Chloride [as Cl]DAILY MX <= 500 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

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