TotalEnergies Petrochemicals & Refining USA Inc - Carville Polystyrene Plant — NPDES permit LA0114553: limits, due date and EPA's record

NPDES permit LA0114553 · Minor NON-POTW · effective, expires 2031-02-28 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (45)

Outfall	Parameter	Statistic	Limit	Months
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MIN	>= 6 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	pH	INST MAX	<= 9 SU	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Oil & Grease	DAILY MX	<= 15 mg/L	all year
002	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
002	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
002	Chloride [as Cl]	MO AVG	report only	all year
002	Chloride [as Cl]	DAILY MX	report only	all year
002	Copper, total [as Cu]	MO AVG	report only	all year
002	Copper, total [as Cu]	DAILY MX	report only	all year
002	Lead, total [as Pb]	MO AVG	report only	all year
002	Lead, total [as Pb]	DAILY MX	report only	all year
002	Nickel, total [as Ni]	MO AVG	report only	all year
002	Nickel, total [as Ni]	DAILY MX	report only	all year
002	Zinc, total [as Zn]	MO AVG	report only	all year
002	Zinc, total [as Zn]	DAILY MX	report only	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
002	Mercury, total [as Hg]	MO AVG	report only	all year
002	Mercury, total [as Hg]	DAILY MX	report only	all year
003	Solids, total suspended	MO AVG	<= 40 mg/L	all year
003	Solids, total suspended	MO AVG	<= 40 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 130 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 130 mg/L	all year
003	Zinc, total [as Zn]	MO AVG	report only	all year
003	Zinc, total [as Zn]	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	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	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	pH	INST MIN	>= 6 SU	all year
004	pH	INST MAX	<= 9 SU	all year
004	Solids, total suspended	DAILY MX	<= 90 mg/L	all year
004	Solids, total suspended	DAILY MX	<= 90 mg/L	all year
004	Oil & Grease	DAILY MX	<= 15 mg/L	all year
004	Carbon, tot organic [TOC]	DAILY MX	<= 50 mg/L	all year
004	Lead, total [as Pb]	DAILY MX	<= 50 ug/L	all year
004	Benzene	DAILY MX	<= 50 ug/L	all year
004	BTEX	DAILY MX	<= 250 ug/L	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year