AURORIUM DENHAM SPRINGS LLC

NPDES permit LA0048704 · Minor NON-POTW · effective, expires 2029-01-31 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 41 forms filed late

Last period with anything received: 2026-06-30. Most often over: Oil & Grease (1).

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 (181)

OutfallParameterStatisticLimitMonths
002Temperature, water deg. fahrenheitINST MAX <= 90 deg F all year
002Temperature, water deg. fahrenheitINST MAX <= 90 deg F all year
002pHINST MIN >= 6 SU all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 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
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
002Chlorine, total residualDAILY MX report only all year
003Temperature, water deg. fahrenheitINST MAX <= 90 deg F all year
003Temperature, water deg. fahrenheitINST MAX <= 90 deg F all year
003Oxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG <= 3.31 lb/d all year
003BOD, 5-day, 20 deg. CMO AVG <= 3.31 lb/d all year
003BOD, 5-day, 20 deg. CDAILY MX <= 8.75 lb/d all year
003BOD, 5-day, 20 deg. CDAILY MX <= 8.75 lb/d all year
003pHINST MIN >= 6 SU all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG <= 4.3 lb/d all year
003Solids, total suspendedMO AVG <= 4.3 lb/d all year
003Solids, total suspendedDAILY MX <= 13.46 lb/d all year
003Solids, total suspendedDAILY MX <= 13.46 lb/d all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, ammonia total [as N]MO AVG <= .31 lb/d all year
003Nitrogen, ammonia total [as N]MO AVG <= .31 lb/d all year
003Nitrogen, ammonia total [as N]DAILY MX <= .62 lb/d all year
003Nitrogen, ammonia total [as N]DAILY MX <= .62 lb/d all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Zinc, total [as Zn]MO AVG report only all year
003Zinc, total [as Zn]DAILY MX report only all year
003Carbon tetrachlorideMO AVG <= .001 lb/d all year
003Carbon tetrachlorideDAILY MX <= .003 lb/d all year
0031,2-DichloroethaneMO AVG <= .005 lb/d all year
0031,2-DichloroethaneDAILY MX <= .015 lb/d all year
003ChloroformMO AVG <= .001 lb/d all year
003ChloroformDAILY MX <= .003 lb/d all year
003TolueneMO AVG <= .002 lb/d all year
003TolueneDAILY MX <= .006 lb/d all year
003BenzeneMO AVG <= .003 lb/d all year
003BenzeneDAILY MX <= .01 lb/d all year
003AcenaphthyleneMO AVG <= .002 lb/d all year
003AcenaphthyleneDAILY MX <= .004 lb/d all year
003AcenaphtheneMO AVG <= .002 lb/d all year
003AcenaphtheneDAILY MX <= .004 lb/d all year
003AcrylonitrileMO AVG <= .007 lb/d all year
003AcrylonitrileDAILY MX <= .017 lb/d all year
003AnthraceneMO AVG <= .002 lb/d all year
003AnthraceneDAILY MX <= .004 lb/d all year
003Benzo[b]fluorantheneMO AVG <= .002 lb/d all year
003Benzo[b]fluorantheneDAILY MX <= .004 lb/d all year
003Benzo[k]fluorantheneMO AVG <= .002 lb/d all year
003Benzo[k]fluorantheneDAILY MX <= .004 lb/d all year
003Benzo[a]pyreneMO AVG <= .002 lb/d all year
003Benzo[a]pyreneDAILY MX <= .004 lb/d all year
003ChlorobenzeneMO AVG <= .0011 lb/d all year
003ChlorobenzeneDAILY MX <= .002 lb/d all year
003ChryseneMO AVG <= .002 lb/d all year
003ChryseneDAILY MX <= .004 lb/d all year
003Diethyl phthalateMO AVG <= .006 lb/d all year
003Diethyl phthalateDAILY MX <= .014 lb/d all year
003Dimethyl phthalateMO AVG <= .001 lb/d all year
003Dimethyl phthalateDAILY MX <= .003 lb/d all year
003EthylbenzeneMO AVG <= .002 lb/d all year
003EthylbenzeneDAILY MX <= .005 lb/d all year
003FluorantheneMO AVG <= .001 lb/d all year
003FluorantheneDAILY MX <= .003 lb/d all year
003FluoreneMO AVG <= .002 lb/d all year
003FluoreneDAILY MX <= .004 lb/d all year
003HexachlorobutadieneMO AVG <= .0004 lb/d all year
003HexachlorobutadieneDAILY MX <= .0009 lb/d all year
003HexachloroethaneMO AVG <= .001 lb/d all year
003HexachloroethaneDAILY MX <= .004 lb/d all year
003Methyl chloride [Chloromethane]MO AVG <= .006 lb/d all year
003Methyl chloride [Chloromethane]DAILY MX <= .014 lb/d all year
003Methylene chlorideMO AVG <= .003 lb/d all year
003Methylene chlorideDAILY MX <= .006 lb/d all year
003NitrobenzeneMO AVG <= .002 lb/d all year
003NitrobenzeneDAILY MX <= .005 lb/d all year
003PhenanthreneMO AVG <= .002 lb/d all year
003PhenanthreneDAILY MX <= .004 lb/d all year
003PyreneMO AVG <= .002 lb/d all year
003PyreneDAILY MX <= .005 lb/d all year
003TetrachloroethyleneMO AVG <= .002 lb/d all year
003TetrachloroethyleneDAILY MX <= .004 lb/d all year
0031,1-DichloroethaneMO AVG <= .002 lb/d all year
0031,1-DichloroethaneDAILY MX <= .004 lb/d all year
0031,1-DichloroethyleneMO AVG <= .0011 lb/d all year
0031,1-DichloroethyleneDAILY MX <= .002 lb/d all year
0031,1,1-TrichloroethaneMO AVG <= .001 lb/d all year
0031,1,1-TrichloroethaneDAILY MX <= .004 lb/d all year
0031,1,2-TrichloroethaneMO AVG <= .001 lb/d all year
0031,1,2-TrichloroethaneDAILY MX <= .004 lb/d all year
003Benzo[a]anthraceneMO AVG <= .002 lb/d all year
003Benzo[a]anthraceneDAILY MX <= .004 lb/d all year
0031,2-DichlorobenzeneMO AVG <= .005 lb/d all year
0031,2-DichlorobenzeneDAILY MX <= .012 lb/d all year
0031,2-DichloropropaneMO AVG <= .011 lb/d all year
0031,2-DichloropropaneDAILY MX <= .016 lb/d all year
003trans-1,2-DichloroethyleneMO AVG <= .001 lb/d all year
003trans-1,2-DichloroethyleneDAILY MX <= .004 lb/d all year
0031,2,4-TrichlorobenzeneMO AVG <= .005 lb/d all year
0031,2,4-TrichlorobenzeneDAILY MX <= .01 lb/d all year
0031,3-DichlorobenzeneMO AVG <= .0022 lb/d all year
0031,3-DichlorobenzeneDAILY MX <= .003 lb/d all year
0031,4-DichlorobenzeneMO AVG <= .0011 lb/d all year
0031,4-DichlorobenzeneDAILY MX <= .002 lb/d all year
0032-ChlorophenolMO AVG <= .002 lb/d all year
0032-ChlorophenolDAILY MX <= .007 lb/d all year
0032-NitrophenolMO AVG <= .003 lb/d all year
0032-NitrophenolDAILY MX <= .005 lb/d all year
0032,4-DichlorophenolMO AVG <= .003 lb/d all year
0032,4-DichlorophenolDAILY MX <= .008 lb/d all year
0032,4-DimethylphenolMO AVG <= .001 lb/d all year
0032,4-DimethylphenolDAILY MX <= .003 lb/d all year
0032,4-DinitrotolueneMO AVG <= .008 lb/d all year
0032,4-DinitrotolueneDAILY MX <= .02 lb/d all year
0032,4-DinitrophenolMO AVG <= .005 lb/d all year
0032,4-DinitrophenolDAILY MX <= .009 lb/d all year
0032,6-DinitrotolueneMO AVG <= .018 lb/d all year
0032,6-DinitrotolueneDAILY MX <= .046 lb/d all year
0034-NitrophenolMO AVG <= .005 lb/d all year
0034-NitrophenolDAILY MX <= .009 lb/d all year
0034,6-Dinitro-o-cresolMO AVG <= .006 lb/d all year
0034,6-Dinitro-o-cresolDAILY MX <= .02 lb/d all year
003PhenolMO AVG <= .0011 lb/d all year
003PhenolDAILY MX <= .002 lb/d all year
003NaphthaleneMO AVG <= .002 lb/d all year
003NaphthaleneDAILY MX <= .004 lb/d all year
003Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .007 lb/d all year
003Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .02 lb/d all year
003Di-n-butyl phthalateMO AVG <= .002 lb/d all year
003Di-n-butyl phthalateDAILY MX <= .004 lb/d all year
003Vinyl chlorideMO AVG <= .007 lb/d all year
003Vinyl chlorideDAILY MX <= .019 lb/d all year
003TrichloroethyleneMO AVG <= .001 lb/d all year
003TrichloroethyleneDAILY MX <= .004 lb/d all year
003HexachlorobenzeneMO AVG <= .000001 lb/d all year
003HexachlorobenzeneDAILY MX <= .000003 lb/d all year
003Flow, in conduit or thru treatment plantMO AVG report only 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
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MX report only all year
0031,3-DichloropropyleneMO AVG <= .002 lb/d all year
0031,3-DichloropropyleneDAILY MX <= .003 lb/d all year
003Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
003Coliform, fecal generalDAILY MX <= 400 #/100mL all year
003ChloroethaneMO AVG <= .007 lb/d all year
003ChloroethaneDAILY MX <= .019 lb/d all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
005Zinc, total [as Zn]MO AVG report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Zinc, total [as Zn]MO AVG report only all year
006Zinc, total [as Zn]DAILY MX 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
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L all year
007Nitrogen, ammonia total [as N]DAILY MX <= 4 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 50 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

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