Motiva Enterprises, LLC- Norco Refinery — NPDES permit LA0003522: limits, due date and EPA's record

NPDES permit LA0003522 · Major NON-POTW · administratively continued, expires 2025-10-31 · EPA's file as of 2026-09-19

This permit expired on 2025-10-31 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: 2026-07-31. Most often over: Sulfide, total [as S] (6), pH range excursions, > 60 minutes (2), pH range excursions, monthly total accum (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 (175)

Outfall	Parameter	Statistic	Limit	Months
002	BOD, 5-day, 20 deg. C	MO AVG	<= 1347 lb/d	all year
002	BOD, 5-day, 20 deg. C	DAILY MX	<= 2496 lb/d	all year
002	pH	MINIMUM	report only	all year
002	pH	MAXIMUM	report only	all year
002	Solids, total suspended	MO AVG	<= 2273 lb/d	all year
002	Solids, total suspended	DAILY MX	<= 3581 lb/d	all year
002	Oil & Grease	MO AVG	<= 430 lb/d	all year
002	Oil & Grease	DAILY MX	<= 806 lb/d	all year
002	Nitrogen, total [as N]	MO AVG	report only	all year
002	Nitrogen, total [as N]	DAILY MX	report only	all year
002	Nitrogen, ammonia total [as N]	MO AVG	<= 632 lb/d	all year
002	Nitrogen, ammonia total [as N]	DAILY MX	<= 1372 lb/d	all year
002	Phosphorus, total [as P]	MO AVG	report only	all year
002	Phosphorus, total [as P]	DAILY MX	report only	all year
002	Carbon, tot organic [TOC]	MO AVG	<= 2964 lb/d	all year
002	Carbon, tot organic [TOC]	DAILY MX	<= 5492 lb/d	all year
002	Sulfide, total [as S]	MO AVG	<= 5.8 lb/d	all year
002	Sulfide, total [as S]	DAILY MX	<= 13 lb/d	all year
002	Chromium, hexavalent [as Cr]	MO AVG	<= 2.2 lb/d	all year
002	Chromium, hexavalent [as Cr]	DAILY MX	<= 5 lb/d	all year
002	Chromium, total [as Cr]	MO AVG	<= 24.7 lb/d	all year
002	Chromium, total [as Cr]	DAILY MX	<= 70.9 lb/d	all year
002	Whole effluent toxicity - retest #1	MO AV MN	report only	all year
002	Whole effluent toxicity - retest #1	MO AV MN	report only	all year
002	Whole effluent toxicity - retest #1	48HR MIN	report only	all year
002	Whole effluent toxicity - retest #1	48HR MIN	report only	all year
002	Whole effluent toxicity - retest #2	MO AV MN	report only	all year
002	Whole effluent toxicity - retest #2	MO AV MN	report only	all year
002	Whole effluent toxicity - retest #2	48HR MIN	report only	all year
002	Whole effluent toxicity - retest #2	48HR MIN	report only	all year
002	Phenolics, total recoverable	MO AVG	<= 9.2 lb/d	all year
002	Phenolics, total recoverable	DAILY MX	<= 18.1 lb/d	all year
002	Hexachlorobenzene	MO AVG	<= .43 lb/d	all year
002	Hexachlorobenzene	DAILY MX	<= 1.03 lb/d	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	Whole Effluent Toxicity - Retest #3	MO AV MN	report only	all year
002	Whole Effluent Toxicity - Retest #3	MO AV MN	report only	all year
002	Whole Effluent Toxicity - Retest #3	48HR MIN	report only	all year
002	Whole Effluent Toxicity - Retest #3	48HR MIN	report only	all year
002	pH range excursions, > 60 minutes	MO TOTAL	<= 0 occur/mo	all year
002	pH range excursions, monthly total accum	MO TOTAL	<= 446 min	all year
002	Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	MO AV MN	report only	all year
002	Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	48HR MIN	report only	all year
002	LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	MO AV MN	report only	all year
002	LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	48HR MIN	report only	all year
002	NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	MO AV MN	report only	all year
002	NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	48HR MIN	report only	all year
002	NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	MO AV MN	report only	all year
002	NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	48HR MIN	report only	all year
002	Coef Of Var Static Renewal 48Hr Acute D. pulex	MAXIMUM	report only	all year
002	Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	MAXIMUM	report only	all year
003	pH	INST MIN	>= 6 SU	all year
003	pH	INST MAX	<= 9 SU	all year
003	Oil & Grease	DAILY MX	<= 15 mg/L	all year
003	Carbon, tot organic [TOC]	DAILY MX	<= 50 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
102	pH	MINIMUM	>= 6 SU	all year
102	pH	MAXIMUM	<= 9 SU	all year
102	Copper, total [as Cu]	MO AVG	<= 1450 ug/L	all year
102	Copper, total [as Cu]	DAILY MX	<= 3380 ug/L	all year
102	Zinc, total [as Zn]	MO AVG	<= 1050 ug/L	all year
102	Zinc, total [as Zn]	DAILY MX	<= 2610 ug/L	all year
102	Carbon tetrachloride	MO AVG	<= 142 ug/L	all year
102	Carbon tetrachloride	DAILY MX	<= 380 ug/L	all year
102	1,2-Dichloroethane	MO AVG	<= 180 ug/L	all year
102	1,2-Dichloroethane	DAILY MX	<= 574 ug/L	all year
102	Chloroform	MO AVG	<= 111 ug/L	all year
102	Chloroform	DAILY MX	<= 325 ug/L	all year
102	Toluene	MO AVG	<= 28 ug/L	all year
102	Toluene	DAILY MX	<= 74 ug/L	all year
102	Benzene	MO AVG	<= 57 ug/L	all year
102	Benzene	DAILY MX	<= 134 ug/L	all year
102	Acenaphthylene	MO AVG	<= 19 ug/L	all year
102	Acenaphthylene	DAILY MX	<= 47 ug/L	all year
102	Acenaphthene	MO AVG	<= 19 ug/L	all year
102	Acenaphthene	DAILY MX	<= 47 ug/L	all year
102	Acrylonitrile	MO AVG	<= 94 ug/L	all year
102	Acrylonitrile	DAILY MX	<= 232 ug/L	all year
102	Anthracene	MO AVG	<= 19 ug/L	all year
102	Anthracene	DAILY MX	<= 47 ug/L	all year
102	Benzo[b]fluoranthene	MO AVG	<= 20 ug/L	all year
102	Benzo[b]fluoranthene	DAILY MX	<= 48 ug/L	all year
102	Benzo[k]fluoranthene	MO AVG	<= 19 ug/L	all year
102	Benzo[k]fluoranthene	DAILY MX	<= 47 ug/L	all year
102	Benzo[a]pyrene	MO AVG	<= 20 ug/L	all year
102	Benzo[a]pyrene	DAILY MX	<= 48 ug/L	all year
102	Chlorobenzene	MO AVG	<= 142 ug/L	all year
102	Chlorobenzene	DAILY MX	<= 380 ug/L	all year
102	Chrysene	MO AVG	<= 19 ug/L	all year
102	Chrysene	DAILY MX	<= 47 ug/L	all year
102	Diethyl phthalate	MO AVG	<= 46 ug/L	all year
102	Diethyl phthalate	DAILY MX	<= 113 ug/L	all year
102	Dimethyl phthalate	MO AVG	<= 19 ug/L	all year
102	Dimethyl phthalate	DAILY MX	<= 47 ug/L	all year
102	Ethylbenzene	MO AVG	<= 142 ug/L	all year
102	Ethylbenzene	DAILY MX	<= 380 ug/L	all year
102	Fluoranthene	MO AVG	<= 22 ug/L	all year
102	Fluoranthene	DAILY MX	<= 54 ug/L	all year
102	Fluorene	MO AVG	<= 19 ug/L	all year
102	Fluorene	DAILY MX	<= 47 ug/L	all year
102	Hexachlorobutadiene	MO AVG	<= 142 ug/L	all year
102	Hexachlorobutadiene	DAILY MX	<= 380 ug/L	all year
102	Hexachloroethane	MO AVG	<= 196 ug/L	all year
102	Hexachloroethane	DAILY MX	<= 794 ug/L	all year
102	Methyl chloride [Chloromethane]	MO AVG	<= 110 ug/L	all year
102	Methyl chloride [Chloromethane]	DAILY MX	<= 295 ug/L	all year
102	Methylene chloride	MO AVG	<= 36 ug/L	all year
102	Methylene chloride	DAILY MX	<= 170 ug/L	all year
102	Nitrobenzene	MO AVG	<= 2237 ug/L	all year
102	Nitrobenzene	DAILY MX	<= 6402 ug/L	all year
102	Phenanthrene	MO AVG	<= 19 ug/L	all year
102	Phenanthrene	DAILY MX	<= 47 ug/L	all year
102	Pyrene	MO AVG	<= 20 ug/L	all year
102	Pyrene	DAILY MX	<= 48 ug/L	all year
102	Tetrachloroethylene	MO AVG	<= 52 ug/L	all year
102	Tetrachloroethylene	DAILY MX	<= 164 ug/L	all year
102	1,1-Dichloroethane	MO AVG	<= 22 ug/L	all year
102	1,1-Dichloroethane	DAILY MX	<= 59 ug/L	all year
102	1,1-Dichloroethylene	MO AVG	<= 22 ug/L	all year
102	1,1-Dichloroethylene	DAILY MX	<= 60 ug/L	all year
102	1,1,1-Trichloroethane	MO AVG	<= 22 ug/L	all year
102	1,1,1-Trichloroethane	DAILY MX	<= 59 ug/L	all year
102	1,1,2-Trichloroethane	MO AVG	<= 32 ug/L	all year
102	1,1,2-Trichloroethane	DAILY MX	<= 127 ug/L	all year
102	Benzo[a]anthracene	MO AVG	<= 19 ug/L	all year
102	Benzo[a]anthracene	DAILY MX	<= 47 ug/L	all year
102	1,2-Dichlorobenzene	MO AVG	<= 196 ug/L	all year
102	1,2-Dichlorobenzene	DAILY MX	<= 794 ug/L	all year
102	1,2-Dichloropropane	MO AVG	<= 196 ug/L	all year
102	1,2-Dichloropropane	DAILY MX	<= 794 ug/L	all year
102	trans-1,2-Dichloroethylene	MO AVG	<= 25 ug/L	all year
102	trans-1,2-Dichloroethylene	DAILY MX	<= 66 ug/L	all year
102	1,2,4-Trichlorobenzene	MO AVG	<= 196 ug/L	all year
102	1,2,4-Trichlorobenzene	DAILY MX	<= 794 ug/L	all year
102	1,3-Dichlorobenzene	MO AVG	<= 142 ug/L	all year
102	1,3-Dichlorobenzene	DAILY MX	<= 380 ug/L	all year
102	1,4-Dichlorobenzene	MO AVG	<= 142 ug/L	all year
102	1,4-Dichlorobenzene	DAILY MX	<= 380 ug/L	all year
102	2-Nitrophenol	MO AVG	<= 65 ug/L	all year
102	2-Nitrophenol	DAILY MX	<= 231 ug/L	all year
102	2,4-Dimethylphenol	MO AVG	<= 19 ug/L	all year
102	2,4-Dimethylphenol	DAILY MX	<= 47 ug/L	all year
102	2,4-Dinitrophenol	MO AVG	<= 1207 ug/L	all year
102	2,4-Dinitrophenol	DAILY MX	<= 4291 ug/L	all year
102	4-Nitrophenol	MO AVG	<= 162 ug/L	all year
102	4-Nitrophenol	DAILY MX	<= 576 ug/L	all year
102	4,6-Dinitro-o-cresol	MO AVG	<= 78 ug/L	all year
102	4,6-Dinitro-o-cresol	DAILY MX	<= 277 ug/L	all year
102	Phenol	MO AVG	<= 19 ug/L	all year
102	Phenol	DAILY MX	<= 47 ug/L	all year
102	Naphthalene	MO AVG	<= 19 ug/L	all year
102	Naphthalene	DAILY MX	<= 47 ug/L	all year
102	Di[2-ethylhexyl] phthalate [DEHP]	MO AVG	<= 95 ug/L	all year
102	Di[2-ethylhexyl] phthalate [DEHP]	DAILY MX	<= 258 ug/L	all year
102	Di-n-butyl phthalate	MO AVG	<= 20 ug/L	all year
102	Di-n-butyl phthalate	DAILY MX	<= 43 ug/L	all year
102	Vinyl chloride	MO AVG	<= 97 ug/L	all year
102	Vinyl chloride	DAILY MX	<= 172 ug/L	all year
102	Trichloroethylene	MO AVG	<= 26 ug/L	all year
102	Trichloroethylene	DAILY MX	<= 69 ug/L	all year
102	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
102	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
102	1,3-Dichloropropene	MO AVG	<= 196 ug/L	all year
102	1,3-Dichloropropene	DAILY MX	<= 794 ug/L	all year
102	Chloroethane	MO AVG	<= 110 ug/L	all year
102	Chloroethane	DAILY MX	<= 295 ug/L	all year
202	pH	INST MIN	>= 6 SU	all year
202	pH	INST MAX	<= 9 SU	all year
202	Lead, total [as Pb]	DAILY MX	<= 50 ug/L	all year
202	Benzene	DAILY MX	<= 50 ug/L	all year
202	BTEX	DAILY MX	<= 250 ug/L	all year
202	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
202	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year