Chemical Waste Management — NPDES permit LA0054828: limits, due date and EPA's record

NPDES permit LA0054828 · Major NON-POTW · administratively continued, expires 2024-08-13 · EPA's file as of 2026-09-19

This permit expired on 2024-08-13 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (4).

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 (247)

Outfall	Parameter	Statistic	Limit	Months
002	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	<= 45 mg/L	all year
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Solids, total suspended	MO AVG	<= 30 mg/L	all year
002	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 4.9 mg/L	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 10 mg/L	all year
002	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
002	Arsenic, total [as As]	MO AVG	<= .228 mg/L	all year
002	Arsenic, total [as As]	DAILY MX	<= .541 mg/L	all year
002	Chromium, total [as Cr]	MO AVG	<= .46 mg/L	all year
002	Chromium, total [as Cr]	DAILY MX	<= 1.1 mg/L	all year
002	Zinc, total [as Zn]	MO AVG	<= .296 mg/L	all year
002	Zinc, total [as Zn]	DAILY MX	<= .535 mg/L	all year
002	Oil and grease	DAILY MX	<= 15 mg/L	all year
002	Phenol	MO AVG	<= .029 mg/L	all year
002	Phenol	DAILY MX	<= .048 mg/L	all year
002	Naphthalene	MO AVG	<= .022 mg/L	all year
002	Naphthalene	DAILY MX	<= .059 mg/L	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	.alpha.-Terpineol	MO AVG	<= .019 mg/L	all year
002	.alpha.-Terpineol	DAILY MX	<= .042 mg/L	all year
002	Priority pollutants scan [yes/no]	MINIMUM	>= 1 N=0;Y=1	all year
002	Pyridine	MO AVG	<= .025 mg/L	all year
002	Pyridine	DAILY MX	<= .072 mg/L	all year
002	Aniline	MO AVG	<= .015 mg/L	all year
002	Aniline	DAILY MX	<= .024 mg/L	all year
002	p-Cresol	MO AVG	<= .015 mg/L	all year
002	p-Cresol	DAILY MX	<= .024 mg/L	all year
002	Benzoic acids, total	MO AVG	<= .073 mg/L	all year
002	Benzoic acids, total	DAILY MX	<= .119 mg/L	all year
002	Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
002	Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
002	Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	7 DA MIN	report only	all year
002	Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	MO AV MN	report only	all year
002	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
002	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
002	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
002	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
002	NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
002	NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
002	NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
002	NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
002	NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
002	NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
002	NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
002	NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
002	Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia	MAXIMUM	report only	all year
002	Coef Of Var Static Renewal 7Day Chronic Pimephales promelas	MAXIMUM	report only	all year
003	Oxygen demand, chem. [high level] [COD]	DAILY MX	<= 120 mg/L (alert)	all year
003	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.14 mg/L (alert)	all year
003	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
003	Cyanide, total [as CN]	DAILY MX	<= .022 mg/L (alert)	all year
003	Magnesium, total [as Mg]	DAILY MX	<= .064 mg/L (alert)	all year
003	Arsenic, total [as As]	DAILY MX	<= .15 mg/L (alert)	all year
003	Cadmium, total [as Cd]	DAILY MX	<= .0053 mg/L (alert)	all year
003	Lead, total [as Pb]	DAILY MX	<= .262 mg/L (alert)	all year
003	Silver, total [as Ag]	DAILY MX	<= .0183 mg/L (alert)	all year
003	Selenium, total [as Se]	DAILY MX	<= .005 mg/L (alert)	all year
003	Oil and grease	DAILY MX	<= 15 mg/L	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Mercury, total [as Hg]	DAILY MX	<= .0014 mg/L (alert)	all year
009	pH	INST MIN	>= 6 SU	all year
009	pH	INST MAX	<= 9 SU	all year
009	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
009	Oil and grease	DAILY MX	<= 15 mg/L	all year
009	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
009	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
012	pH	INST MIN	>= 6 SU	all year
012	pH	INST MAX	<= 9 SU	all year
012	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
012	Oil and grease	DAILY MX	<= 15 mg/L	all year
012	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
012	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
015	Oxygen demand, chem. [high level] [COD]	DAILY MX	<= 120 mg/L (alert)	all year
015	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.14 mg/L (alert)	all year
015	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
015	Cyanide, total [as CN]	DAILY MX	<= .022 mg/L (alert)	all year
015	Magnesium, total [as Mg]	DAILY MX	<= .064 mg/L (alert)	all year
015	Arsenic, total [as As]	DAILY MX	<= .15 mg/L (alert)	all year
015	Cadmium, total [as Cd]	DAILY MX	<= .0053 mg/L (alert)	all year
015	Lead, total [as Pb]	DAILY MX	<= .262 mg/L (alert)	all year
015	Silver, total [as Ag]	DAILY MX	<= .0183 mg/L (alert)	all year
015	Selenium, total [as Se]	DAILY MX	<= .005 mg/L (alert)	all year
015	Oil and grease	DAILY MX	<= 15 mg/L	all year
015	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
015	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
015	Mercury, total [as Hg]	DAILY MX	<= .0014 mg/L (alert)	all year
016	Oxygen demand, chem. [high level] [COD]	DAILY MX	<= 120 mg/L (alert)	all year
016	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.14 mg/L (alert)	all year
016	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
016	Cyanide, total [as CN]	DAILY MX	<= .022 mg/L (alert)	all year
016	Magnesium, total [as Mg]	DAILY MX	<= .064 mg/L (alert)	all year
016	Arsenic, total [as As]	DAILY MX	<= .15 mg/L (alert)	all year
016	Cadmium, total [as Cd]	DAILY MX	<= .0053 mg/L (alert)	all year
016	Lead, total [as Pb]	DAILY MX	<= .262 mg/L (alert)	all year
016	Silver, total [as Ag]	DAILY MX	<= .0183 mg/L (alert)	all year
016	Selenium, total [as Se]	DAILY MX	<= .005 mg/L (alert)	all year
016	Oil and grease	DAILY MX	<= 15 mg/L	all year
016	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
016	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
016	Priority pollutants scan [yes/no]	MINIMUM	>= 1 N=0;Y=1	all year
016	Mercury, total [as Hg]	DAILY MX	<= .0014 mg/L (alert)	all year
017	BOD, 5-day, 20 deg. C	MO AVG	<= 53 mg/L	all year
017	BOD, 5-day, 20 deg. C	DAILY MX	<= 163 mg/L	all year
017	pH	INST MIN	>= 6 SU	all year
017	pH	INST MAX	<= 9 SU	all year
017	Solids, total suspended	MO AVG	<= 27 mg/L	all year
017	Solids, total suspended	DAILY MX	<= 74.1 mg/L	all year
017	Nitrogen, ammonia total [as N]	MO AVG	<= 4.9 mg/L	all year
017	Nitrogen, ammonia total [as N]	DAILY MX	<= 10 mg/L	all year
017	Cyanide, total [as CN]	MO AVG	<= .009 mg/L	all year
017	Cyanide, total [as CN]	DAILY MX	<= .02 mg/L	all year
017	Arsenic, total [as As]	MO AVG	<= .407 mg/L	all year
017	Arsenic, total [as As]	DAILY MX	<= .967 mg/L	all year
017	Cadmium, total [as Cd]	MO AVG	<= .0102 mg/L	all year
017	Cadmium, total [as Cd]	DAILY MX	<= .0172 mg/L	all year
017	Chromium, total [as Cr]	MO AVG	<= .323 mg/L	all year
017	Chromium, total [as Cr]	DAILY MX	<= .746 mg/L	all year
017	Cobalt, total [as Co]	MO AVG	<= 18.8 mg/L	all year
017	Cobalt, total [as Co]	DAILY MX	<= 56.4 mg/L	all year
017	Copper, total [as Cu]	MO AVG	<= .129 mg/L	all year
017	Copper, total [as Cu]	DAILY MX	<= .307 mg/L	all year
017	Lead, total [as Pb]	MO AVG	<= .108 mg/L	all year
017	Lead, total [as Pb]	DAILY MX	<= .256 mg/L	all year
017	Zinc, total [as Zn]	MO AVG	<= .296 mg/L	all year
017	Zinc, total [as Zn]	DAILY MX	<= .497 mg/L	all year
017	Tin, total [as Sn]	MO AVG	<= .165 mg/L	all year
017	Tin, total [as Sn]	DAILY MX	<= .335 mg/L	all year
017	Oil and grease	MO AVG	<= 38 mg/L	all year
017	Oil and grease	DAILY MX	<= 127 mg/L	all year
017	Whole effluent toxicity - retest #1	7 DA MIN	report only (alert)	all year
017	Whole effluent toxicity - retest #1	7 DA MIN	report only (alert)	all year
017	Whole effluent toxicity - retest #1	MO AV MN	report only (alert)	all year
017	Whole effluent toxicity - retest #1	MO AV MN	report only (alert)	all year
017	Whole effluent toxicity - retest #2	7 DA MIN	report only (alert)	all year
017	Whole effluent toxicity - retest #2	7 DA MIN	report only (alert)	all year
017	Whole effluent toxicity - retest #2	MO AV MN	report only (alert)	all year
017	Whole effluent toxicity - retest #2	MO AV MN	report only (alert)	all year
017	WET, sublethal retest #1	7 DA MIN	report only (alert)	all year
017	WET, sublethal retest #1	7 DA MIN	report only (alert)	all year
017	WET, sublethal retest #1	MO AV MN	report only (alert)	all year
017	WET, sublethal retest #1	MO AV MN	report only (alert)	all year
017	WET, sublethal retest #2	7 DA MIN	report only (alert)	all year
017	WET, sublethal retest #2	7 DA MIN	report only (alert)	all year
017	WET, sublethal retest #2	MO AV MN	report only (alert)	all year
017	WET, sublethal retest #2	MO AV MN	report only (alert)	all year
017	Butyl benzyl phthalate	MO AVG	<= .0887 mg/L	all year
017	Butyl benzyl phthalate	DAILY MX	<= .188 mg/L	all year
017	Fluoranthene	MO AVG	<= .0268 mg/L	all year
017	Fluoranthene	DAILY MX	<= .0537 mg/L	all year
017	2,4,6-Trichlorophenol	MO AVG	<= .106 mg/L	all year
017	2,4,6-Trichlorophenol	DAILY MX	<= .155 mg/L	all year
017	Phenol	MO AVG	<= .029 mg/L	all year
017	Phenol	DAILY MX	<= .048 mg/L	all year
017	Naphthalene	MO AVG	<= .022 mg/L	all year
017	Naphthalene	DAILY MX	<= .059 mg/L	all year
017	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= .101 mg/L	all year
017	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= .215 mg/L	all year
017	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
017	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
017	.alpha.-Terpineol	MO AVG	<= .019 mg/L	all year
017	.alpha.-Terpineol	DAILY MX	<= .042 mg/L	all year
017	Priority pollutants scan [yes/no]	MINIMUM	>= 1 N=0;Y=1	all year
017	Whole Effluent Toxicity - Retest #3	7 DA MIN	report only (alert)	all year
017	Whole Effluent Toxicity - Retest #3	7 DA MIN	report only (alert)	all year
017	Whole Effluent Toxicity - Retest #3	MO AV MN	report only (alert)	all year
017	Whole Effluent Toxicity - Retest #3	MO AV MN	report only (alert)	all year
017	Whole Effluent Toxicity, Sub-Lethal Retest #3	7 DA MIN	report only (alert)	all year
017	Whole Effluent Toxicity, Sub-Lethal Retest #3	7 DA MIN	report only (alert)	all year
017	Whole Effluent Toxicity, Sub-Lethal Retest #3	MO AV MN	report only (alert)	all year
017	Whole Effluent Toxicity, Sub-Lethal Retest #3	MO AV MN	report only (alert)	all year
017	Mercury, total [as Hg]	MO AVG	<= .0001 mg/L	all year
017	Mercury, total [as Hg]	DAILY MX	<= .0003 mg/L	all year
017	Pyridine	MO AVG	<= .025 mg/L	all year
017	Pyridine	DAILY MX	<= .072 mg/L	all year
017	Aniline	MO AVG	<= .015 mg/L	all year
017	Aniline	DAILY MX	<= .024 mg/L	all year
017	p-Cresol	MO AVG	<= .015 mg/L	all year
017	p-Cresol	DAILY MX	<= .024 mg/L	all year
017	Benzoic acids, total	MO AVG	<= .073 mg/L	all year
017	Benzoic acids, total	DAILY MX	<= .119 mg/L	all year
017	n-Decane	MO AVG	<= .437 mg/L	all year
017	n-Decane	DAILY MX	<= .948 mg/L	all year
017	Carbazole	MO AVG	<= .276 mg/L	all year
017	Carbazole	DAILY MX	<= .598 mg/L	all year
017	n-Octadecane	MO AVG	<= .302 mg/L	all year
017	n-Octadecane	DAILY MX	<= .589 mg/L	all year
017	2-Butanone	MO AVG	<= 1.85 mg/L	all year
017	2-Butanone	DAILY MX	<= 4.81 mg/L	all year
017	o-Cresol [2-Methylphenol]	MO AVG	<= .561 mg/L	all year
017	o-Cresol [2-Methylphenol]	DAILY MX	<= 1.92 mg/L	all year
017	Acetone	MO AVG	<= 7.97 mg/L	all year
017	Acetone	DAILY MX	<= 30.2 mg/L	all year
017	Acetophenone	MO AVG	<= .0562 mg/L	all year
017	Acetophenone	DAILY MX	<= .114 mg/L	all year
017	Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
017	Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
017	Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	7 DA MIN	report only	all year
017	Pass/Fail Static Renewal 7Day Chronic Pimephales promelas	MO AV MN	report only	all year
017	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
017	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
017	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
017	Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
017	NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
017	NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
017	NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
017	NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
017	NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	7 DA MIN	report only	all year
017	NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia	MO AV MN	report only	all year
017	NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	7 DA MIN	report only	all year
017	NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas	MO AV MN	report only	all year
017	Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia	MAXIMUM	report only	all year
017	Coef Of Var Static Renewal 7Day Chronic Pimephales promelas	DAILY MX	report only	all year
018	pH	INST MIN	>= 6 SU	all year
018	pH	INST MAX	<= 9 SU	all year
018	Solids, total suspended	DAILY MX	<= 90 mg/L	all year
018	Solids, total suspended	DAILY MX	<= 90 mg/L	all year
018	Oil & Grease	DAILY MX	<= 15 mg/L	all year
018	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
018	Lead, total [as Pb]	DAILY MX	<= 50 ug/L	all year
018	Benzene	DAILY MX	<= 50 ug/L	all year
018	BTEX	DAILY MX	<= 250 ug/L	all year
018	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
04A	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
04A	BOD, 5-day, 20 deg. C	DAILY MX	<= 45 mg/L	all year
04A	pH	INST MIN	>= 6 SU	all year
04A	pH	INST MAX	<= 9 SU	all year
04A	Solids, total suspended	MO AVG	<= 30 mg/L	all year
04A	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
04A	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
04A	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
04A	Coliform, fecal general	MO AVG	<= 200 #/100mL	all year
04A	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
04B	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
04B	BOD, 5-day, 20 deg. C	DAILY MX	<= 45 mg/L	all year
04B	pH	INST MIN	>= 6 SU	all year
04B	pH	INST MAX	<= 9 SU	all year
04B	Solids, total suspended	MO AVG	<= 30 mg/L	all year
04B	Solids, total suspended	DAILY MX	<= 45 mg/L	all year
04B	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
04B	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
04B	Coliform, fecal general	MOAV GEO	<= 200 #/100mL	all year
04B	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year