NPC Services Inc - Petro-Processors of LA Inc Site

NPDES permit LA0066214 · Major NON-POTW · effective, expires 2030-10-31 · 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

2values over a limit
28required values missing, on 1 form(s)
4of 72 forms filed late

Last period with anything received: 2026-08-31. Most often over: Hexachlorobenzene (2).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (297)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 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
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL 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
002Cyanide, total [as CN]MO AVG <= .009 lb/d all year
002Cyanide, total [as CN]DAILY MX <= .025 lb/d all year
002Arsenic, total [as As]MO AVG <= .02 lb/d all year
002Arsenic, total [as As]DAILY MX <= .028 lb/d all year
002Beryllium, total [as Be]MO AVG <= .08 lb/d all year
002Beryllium, total [as Be]DAILY MX <= .11 lb/d all year
002Cadmium, total [as Cd]MO AVG <= .04 lb/d all year
002Cadmium, total [as Cd]DAILY MX <= .056 lb/d all year
002Chromium, total [as Cr]MO AVG <= .051 lb/d all year
002Chromium, total [as Cr]DAILY MX <= .07 lb/d all year
002Copper, total [as Cu]MO AVG <= .117 lb/d all year
002Copper, total [as Cu]DAILY MX <= .277 lb/d all year
002Lead, total [as Pb]MO AVG <= .04 lb/d all year
002Lead, total [as Pb]DAILY MX <= .056 lb/d all year
002Thallium, total [as Tl]MO AVG <= .081 lb/d all year
002Thallium, total [as Tl]DAILY MX <= .112 lb/d all year
002Nickel, total [as Ni]MO AVG <= .081 lb/d all year
002Nickel, total [as Ni]DAILY MX <= .112 lb/d all year
002Silver, total [as Ag]MO AVG <= .016 lb/d all year
002Silver, total [as Ag]DAILY MX <= .022 lb/d all year
002Zinc, total [as Zn]MO AVG <= .101 lb/d all year
002Zinc, total [as Zn]DAILY MX <= .14 lb/d all year
002Antimony, total [as Sb]MO AVG <= .081 lb/d all year
002Antimony, total [as Sb]DAILY MX <= .112 lb/d all year
002Selenium, total [as Se]MO AVG <= .016 lb/d all year
002Selenium, total [as Se]DAILY MX <= .022 lb/d all year
002Whole effluent toxicity - retest #148HR MIN report only all year
002Whole effluent toxicity - retest #148HR MIN report only all year
002Whole effluent toxicity - retest #1MO AV MN report only all year
002Whole effluent toxicity - retest #1MO AV MN report only all year
002Whole effluent toxicity - retest #248HR MIN report only all year
002Whole effluent toxicity - retest #248HR MIN report only all year
002Whole effluent toxicity - retest #2MO AV MN report only all year
002Whole effluent toxicity - retest #2MO AV MN report only all year
002Carbon tetrachlorideMO AVG <= .004 lb/d all year
002Carbon tetrachlorideDAILY MX <= .008 lb/d all year
0021,2-DichloroethaneMO AVG <= .014 lb/d all year
0021,2-DichloroethaneDAILY MX <= .43 lb/d all year
002BromoformMO AVG <= .014 lb/d all year
002BromoformDAILY MX <= .02 lb/d all year
002DibromochloromethaneMO AVG <= .014 lb/d all year
002DibromochloromethaneDAILY MX <= .02 lb/d all year
002ChloroformMO AVG <= .004 lb/d all year
002ChloroformDAILY MX <= .009 lb/d all year
002TolueneMO AVG <= .005 lb/d all year
002TolueneDAILY MX <= .016 lb/d all year
002BenzeneMO AVG <= .008 lb/d all year
002BenzeneDAILY MX <= .028 lb/d all year
002AcrylonitrileMO AVG <= .02 lb/d all year
002AcrylonitrileDAILY MX <= .049 lb/d all year
002ChlorobenzeneMO AVG <= .003 lb/d all year
002ChlorobenzeneDAILY MX <= .006 lb/d all year
002EthylbenzeneMO AVG <= .007 lb/d all year
002EthylbenzeneDAILY MX <= .022 lb/d all year
002HexachlorobutadieneMO AVG <= .004 lb/d all year
002HexachlorobutadieneDAILY MX <= .01 lb/d all year
002Methyl bromide [Bromomethane]MO AVG <= .014 lb/d all year
002Methyl bromide [Bromomethane]DAILY MX <= .02 lb/d all year
002Methyl chloride [Chloromethane]MO AVG <= .018 lb/d all year
002Methyl chloride [Chloromethane]DAILY MX <= .039 lb/d all year
002Methylene chlorideMO AVG <= .008 lb/d all year
002Methylene chlorideDAILY MX <= .018 lb/d all year
002TetrachloroethyleneMO AVG <= .004 lb/d all year
002TetrachloroethyleneDAILY MX <= .011 lb/d all year
0021,1-DichloroethaneMO AVG <= .004 lb/d all year
0021,1-DichloroethaneDAILY MX <= .011 lb/d all year
0021,1-DichloroethyleneMO AVG <= .003 lb/d all year
0021,1-DichloroethyleneDAILY MX <= .005 lb/d all year
0021,1,1-TrichloroethaneMO AVG <= .004 lb/d all year
0021,1,1-TrichloroethaneDAILY MX <= .011 lb/d all year
0021,1,2-TrichloroethaneMO AVG <= .004 lb/d all year
0021,1,2-TrichloroethaneDAILY MX <= .011 lb/d all year
0021,1,2,2-TetrachloroethaneMO AVG <= .014 lb/d all year
0021,1,2,2-TetrachloroethaneDAILY MX <= .02 lb/d all year
0021,2-DichloropropaneMO AVG <= .031 lb/d all year
0021,2-DichloropropaneDAILY MX <= .047 lb/d all year
0022-Chloroethyl vinyl ether, [mixed]MO AVG <= .014 lb/d all year
0022-Chloroethyl vinyl ether, [mixed]DAILY MX <= .02 lb/d all year
002Vinyl chlorideMO AVG <= .021 lb/d all year
002Vinyl chlorideDAILY MX <= .055 lb/d all year
002TrichloroethyleneMO AVG <= .004 lb/d all year
002TrichloroethyleneDAILY MX <= .011 lb/d all year
002HexachlorobenzeneMO AVG <= .00002 lb/d all year
002HexachlorobenzeneDAILY MX <= .00005 lb/d all year
002Whole Effluent Toxicity - Retest #348HR MIN report only all year
002Whole Effluent Toxicity - Retest #348HR MIN report only all year
002Whole Effluent Toxicity - Retest #3MO AV MN report only all year
002Whole Effluent Toxicity - Retest #3MO AV MN report only all year
002Mercury, total [as Hg]MO AVG <= .0005 lb/d all year
002Mercury, total [as Hg]DAILY MX <= .001 lb/d all year
0021,3-DichloropropeneMO AVG <= .006 lb/d all year
0021,3-DichloropropeneDAILY MX <= .009 lb/d all year
002trans-1,2-DichloroetheneMO AVG <= .004 lb/d all year
002trans-1,2-DichloroetheneDAILY MX <= .011 lb/d all year
002pH range excursions, > 60 minutesMAXIMUM <= 0 occur/mo all year
002pH range excursions, monthly total accumMAXIMUM <= 446 min all year
002ChloroethaneMO AVG <= .021 lb/d all year
002ChloroethaneDAILY MX <= .055 lb/d all year
002Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
002Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
002LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
002LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
002NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
002NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
002NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
002NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
002Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
002Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Cyanide, total [as CN]MO AVG <= .073 lb/d all year
003Cyanide, total [as CN]DAILY MX <= .184 lb/d all year
003Arsenic, total [as As]MO AVG <= .074 lb/d all year
003Arsenic, total [as As]DAILY MX <= .104 lb/d all year
003Beryllium, total [as Be]MO AVG <= .15 lb/d all year
003Beryllium, total [as Be]DAILY MX <= .209 lb/d all year
003Cadmium, total [as Cd]MO AVG <= .15 lb/d all year
003Cadmium, total [as Cd]DAILY MX <= .209 lb/d all year
003Chromium, total [as Cr]MO AVG <= .051 lb/d all year
003Chromium, total [as Cr]DAILY MX <= .07 lb/d all year
003Copper, total [as Cu]MO AVG <= .48 lb/d all year
003Copper, total [as Cu]DAILY MX <= 1.14 lb/d all year
003Lead, total [as Pb]MO AVG <= .15 lb/d all year
003Lead, total [as Pb]DAILY MX <= .209 lb/d all year
003Thallium, total [as Tl]MO AVG <= .376 lb/d all year
003Thallium, total [as Tl]DAILY MX <= .521 lb/d all year
003Nickel, total [as Ni]MO AVG <= .302 lb/d all year
003Nickel, total [as Ni]DAILY MX <= .417 lb/d all year
003Silver, total [as Ag]MO AVG <= .302 lb/d all year
003Silver, total [as Ag]DAILY MX <= .417 lb/d all year
003Zinc, total [as Zn]MO AVG <= .032 lb/d all year
003Zinc, total [as Zn]DAILY MX <= .184 lb/d all year
003Antimony, total [as Sb]MO AVG <= .302 lb/d all year
003Antimony, total [as Sb]DAILY MX <= .417 lb/d all year
003Selenium, total [as Se]MO AVG <= .061 lb/d all year
003Selenium, total [as Se]DAILY MX <= .083 lb/d all year
003Whole effluent toxicity - retest #148HR MIN report only all year
003Whole effluent toxicity - retest #148HR MIN report only all year
003Whole effluent toxicity - retest #1MO AV MN report only all year
003Whole effluent toxicity - retest #1MO AV MN report only all year
003Whole effluent toxicity - retest #248HR MIN report only all year
003Whole effluent toxicity - retest #248HR MIN report only all year
003Whole effluent toxicity - retest #2MO AV MN report only all year
003Whole effluent toxicity - retest #2MO AV MN report only all year
003Carbon tetrachlorideMO AVG <= .014 lb/d all year
003Carbon tetrachlorideDAILY MX <= .029 lb/d all year
0031,2-DichloroethaneMO AVG <= .052 lb/d all year
0031,2-DichloroethaneDAILY MX <= .16 lb/d all year
003BromoformMO AVG <= .052 lb/d all year
003BromoformDAILY MX <= .076 lb/d all year
003DibromochloromethaneMO AVG <= .052 lb/d all year
003DibromochloromethaneDAILY MX <= .076 lb/d all year
003ChloroformMO AVG <= .016 lb/d all year
003ChloroformDAILY MX <= .035 lb/d all year
003TolueneMO AVG <= .02 lb/d all year
003TolueneDAILY MX <= .061 lb/d all year
003BenzeneMO AVG <= .052 lb/d all year
003BenzeneDAILY MX <= .071 lb/d all year
003AcrylonitrileMO AVG <= .028 lb/d all year
003AcrylonitrileDAILY MX <= .103 lb/d all year
003ChlorobenzeneMO AVG <= .011 lb/d all year
003ChlorobenzeneDAILY MX <= .021 lb/d all year
003EthylbenzeneMO AVG <= .024 lb/d all year
003EthylbenzeneDAILY MX <= .082 lb/d all year
003HexachlorobutadieneMO AVG <= .015 lb/d all year
003HexachlorobutadieneDAILY MX <= .037 lb/d all year
003Methyl bromide [Bromomethane]MO AVG <= .052 lb/d all year
003Methyl bromide [Bromomethane]DAILY MX <= .076 lb/d all year
003Methyl chloride [Chloromethane]MO AVG <= .065 lb/d all year
003Methyl chloride [Chloromethane]DAILY MX <= .144 lb/d all year
003Methylene chlorideMO AVG <= .03 lb/d all year
003Methylene chlorideDAILY MX <= .068 lb/d all year
003TetrachloroethyleneMO AVG <= .017 lb/d all year
003TetrachloroethyleneDAILY MX <= .043 lb/d all year
0031,1-DichloroethaneMO AVG <= .017 lb/d all year
0031,1-DichloroethaneDAILY MX <= .045 lb/d all year
0031,1-DichloroethyleneMO AVG <= .012 lb/d all year
0031,1-DichloroethyleneDAILY MX <= .019 lb/d all year
0031,1,1-TrichloroethaneMO AVG <= .017 lb/d all year
0031,1,1-TrichloroethaneDAILY MX <= .04 lb/d all year
0031,1,2-TrichloroethaneMO AVG <= .017 lb/d all year
0031,1,2-TrichloroethaneDAILY MX <= .04 lb/d all year
0031,1,2,2-TetrachloroethaneMO AVG <= .052 lb/d all year
0031,1,2,2-TetrachloroethaneDAILY MX <= .076 lb/d all year
0031,2-DichloropropaneMO AVG <= .116 lb/d all year
0031,2-DichloropropaneDAILY MX <= .175 lb/d all year
003trans-1,2-DichloroethyleneMO AVG <= .016 lb/d all year
003trans-1,2-DichloroethyleneDAILY MX <= .041 lb/d all year
0032-Chloroethyl vinyl ether, [mixed]MO AVG <= .052 lb/d all year
0032-Chloroethyl vinyl ether, [mixed]DAILY MX <= .076 lb/d all year
003Vinyl chlorideMO AVG <= .079 lb/d all year
003Vinyl chlorideDAILY MX <= .203 lb/d all year
003TrichloroethyleneMO AVG <= .016 lb/d all year
003TrichloroethyleneDAILY MX <= .041 lb/d all year
003Whole Effluent Toxicity - Retest #348HR MIN report only all year
003Whole Effluent Toxicity - Retest #348HR MIN report only all year
003Whole Effluent Toxicity - Retest #3MO AV MN report only all year
003Whole Effluent Toxicity - Retest #3MO AV MN report only all year
0031,3-DichloropropeneMO AVG <= .022 lb/d all year
0031,3-DichloropropeneDAILY MX <= .033 lb/d all year
003pH range excursions, > 60 minutesDAILY MX <= 0 occur/mo all year
003pH range excursions, monthly total accumDAILY MX <= 446 min all year
003ChloroethaneMO AVG <= .079 lb/d all year
003ChloroethaneDAILY MX <= .203 lb/d all year
003Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
003Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
003LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
003LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
003NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
003NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
003NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
003NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
003Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
003Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM 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
006Cyanide, total [as CN]DAILY MX <= 10 ug/L all year
006Arsenic, total [as As]DAILY MX <= 32 ug/L all year
006Cadmium, total [as Cd]DAILY MX <= 3.2 ug/L all year
006Copper, total [as Cu]DAILY MX <= 22.3 ug/L all year
006Lead, total [as Pb]DAILY MX <= 384 ug/L all year
006Nickel, total [as Ni]DAILY MX <= 500 ug/L all year
006Zinc, total [as Zn]DAILY MX <= 548 ug/L all year
006Carbon tetrachlorideDAILY MX <= 10 ug/L all year
0061,2-DichloroethaneDAILY MX <= 10 ug/L all year
006ChloroformDAILY MX <= 10 ug/L all year
006TolueneDAILY MX <= 10 ug/L all year
006BenzeneDAILY MX <= 10 ug/L all year
006ChlorobenzeneDAILY MX <= 10 ug/L all year
006Methyl chloride [Chloromethane]DAILY MX <= 50 ug/L all year
006Methylene chlorideDAILY MX <= 20 ug/L all year
006TetrachloroethyleneDAILY MX <= 10 ug/L all year
0061,1-DichloroethaneDAILY MX <= 10 ug/L all year
0061,1-DichloroethyleneDAILY MX <= 10 ug/L all year
0061,1,1-TrichloroethaneDAILY MX <= 10 ug/L all year
0061,1,2-TrichloroethaneDAILY MX <= 10 ug/L all year
0061,1,2,2-TetrachloroethaneDAILY MX <= 10 ug/L all year
0061,2-DichloropropaneDAILY MX <= 10 ug/L all year
006trans-1,2-DichloroethyleneDAILY MX <= 10 ug/L all year
006Vinyl chlorideDAILY MX <= 10 ug/L all year
006TrichloroethyleneDAILY MX <= 10 ug/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
006Mercury, total [as Hg]DAILY MX <= 10 ug/L all year
0061,3-DichloropropeneDAILY MX <= 10 ug/L all year
006ChloroethaneDAILY MX <= 50 ug/L all year
013pHINST MIN >= 6 SU all year
013pHINST MAX <= 9 SU all year
013Oil & GreaseDAILY MX <= 15 mg/L all year
013Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
013Cyanide, total [as CN]DAILY MX <= 10 ug/L all year
013Arsenic, total [as As]DAILY MX <= 11 ug/L all year
013Cadmium, total [as Cd]DAILY MX <= 2.8 ug/L all year
013Copper, total [as Cu]DAILY MX <= 32.2 ug/L all year
013Lead, total [as Pb]DAILY MX <= 44.4 ug/L all year
013Nickel, total [as Ni]DAILY MX <= 35 ug/L all year
013Zinc, total [as Zn]DAILY MX <= 256 ug/L all year
013Carbon tetrachlorideDAILY MX <= 10 ug/L all year
0131,2-DichloroethaneDAILY MX <= 10 ug/L all year
013ChloroformDAILY MX <= 10 ug/L all year
013TolueneDAILY MX <= 10 ug/L all year
013BenzeneDAILY MX <= 10 ug/L all year
013ChlorobenzeneDAILY MX <= 10 ug/L all year
013Methyl chloride [Chloromethane]DAILY MX <= 50 ug/L all year
013Methylene chlorideDAILY MX <= 20 ug/L all year
013TetrachloroethyleneDAILY MX <= 10 ug/L all year
0131,1-DichloroethaneDAILY MX <= 10 ug/L all year
0131,1-DichloroethyleneDAILY MX <= 10 ug/L all year
0131,1,1-TrichloroethaneDAILY MX <= 10 ug/L all year
0131,1,2-TrichloroethaneDAILY MX <= 10 ug/L all year
0131,1,2,2-TetrachloroethaneDAILY MX <= 10 ug/L all year
0131,2-DichloropropaneDAILY MX <= 10 ug/L all year
013trans-1,2-DichloroethyleneDAILY MX <= 10 ug/L all year
013Vinyl chlorideDAILY MX <= 10 ug/L all year
013TrichloroethyleneDAILY MX <= 10 ug/L all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Mercury, total [as Hg]DAILY MX <= 10 ug/L all year
0131,3-DichloropropeneDAILY MX <= 10 ug/L all year
013ChloroethaneDAILY MX <= 50 ug/L all year

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