NATGASOLINE LLC

NPDES permit TX0135836 · Minor NON-POTW · administratively continued, expires 2025-01-07 · 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.

This permit expired on 2025-01-07 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

2values over a limit
0required values missing, on 0 form(s)
0of 41 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH range excursions, > 60 minutes (1), pH range excursions, monthly total accum (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (175)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & GreaseDAILY AV <= 15 mg/L all year
001Oil & GreaseDAILY MX <= 20 mg/L all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Copper, total [as Cu]DAILY AV <= .0238 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0504 mg/L all year
001Nickel, total [as Ni]DAILY AV <= .146 mg/L all year
001Nickel, total [as Ni]DAILY MX <= .31 mg/L all year
001Zinc, total [as Zn]DAILY AV <= .235 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .498 mg/L all year
001Benzo[a]pyreneDAILY AV <= .0000854 mg/L all year
001Benzo[a]pyreneDAILY MX <= .00018 mg/L all year
001Benzo[a]anthraceneDAILY AV <= .000854 mg/L all year
001Benzo[a]anthraceneDAILY MX <= .0018 mg/L all year
001HexachlorobenzeneDAILY AV <= .000023 mg/L all year
001HexachlorobenzeneDAILY MX <= .000049 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV <= 3.5 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 7 MGD all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 20 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
002Copper, total [as Cu]DAILY MX <= .0504 mg/L all year
002Nickel, total [as Ni]DAILY MX <= .31 mg/L all year
002Benzo[a]pyreneDAILY MX <= .005 mg/L all year
002Benzo[a]anthraceneDAILY MX <= .005 mg/L all year
002HexachlorobenzeneDAILY MX <= .005 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
101BOD, 5-day, 20 deg. CDAILY AV <= 82.6 lb/d all year
101BOD, 5-day, 20 deg. CDAILY MX <= 220 lb/d all year
101Solids, total suspendedDAILY AV <= 127 lb/d all year
101Solids, total suspendedDAILY MX <= 410 lb/d all year
101Carbon tetrachlorideDAILY AV <= .05 lb/d all year
101Carbon tetrachlorideDAILY MX <= .105 lb/d all year
101ChloroformDAILY AV <= .058 lb/d all year
101ChloroformDAILY MX <= .127 lb/d all year
101TolueneDAILY AV <= .072 lb/d all year
101TolueneDAILY MX <= .22 lb/d all year
101BenzeneDAILY AV <= .102 lb/d all year
101BenzeneDAILY MX <= .375 lb/d all year
101AcenaphthyleneDAILY AV <= .061 lb/d all year
101AcenaphthyleneDAILY MX <= .162 lb/d all year
101AcenaphtheneDAILY AV <= .061 lb/d all year
101AcenaphtheneDAILY MX <= .162 lb/d all year
101AcrylonitrileDAILY AV <= .264 lb/d all year
101AcrylonitrileDAILY MX <= .666 lb/d all year
101AnthraceneDAILY AV <= .061 lb/d all year
101AnthraceneDAILY MX <= .162 lb/d all year
101Benzo[k]fluorantheneDAILY AV <= .061 lb/d all year
101Benzo[k]fluorantheneDAILY MX <= .162 lb/d all year
101ChlorobenzeneDAILY AV <= .041 lb/d all year
101ChlorobenzeneDAILY MX <= .077 lb/d all year
101Chloroethane, total weightDAILY AV <= .286 lb/d all year
101Chloroethane, total weightDAILY MX <= .738 lb/d all year
101ChryseneDAILY AV <= .061 lb/d all year
101ChryseneDAILY MX <= .162 lb/d all year
101Diethyl phthalateDAILY AV <= .223 lb/d all year
101Diethyl phthalateDAILY MX <= .559 lb/d all year
101Dimethyl phthalateDAILY AV <= .052 lb/d all year
101Dimethyl phthalateDAILY MX <= .129 lb/d all year
101EthylbenzeneDAILY AV <= .088 lb/d all year
101EthylbenzeneDAILY MX <= .297 lb/d all year
101FluorantheneDAILY AV <= .069 lb/d all year
101FluorantheneDAILY MX <= .187 lb/d all year
101FluoreneDAILY AV <= .061 lb/d all year
101FluoreneDAILY MX <= .162 lb/d all year
101HexachlorobutadieneDAILY AV <= .055 lb/d all year
101HexachlorobutadieneDAILY MX <= .135 lb/d all year
101HexachloroethaneDAILY AV <= .058 lb/d all year
101HexachloroethaneDAILY MX <= .149 lb/d all year
101Methyl chloride [Chloromethane]DAILY AV <= .237 lb/d all year
101Methyl chloride [Chloromethane]DAILY MX <= .523 lb/d all year
101Methylene chlorideDAILY AV <= .11 lb/d all year
101Methylene chlorideDAILY MX <= .245 lb/d all year
101NitrobenzeneDAILY AV <= .074 lb/d all year
101NitrobenzeneDAILY MX <= .187 lb/d all year
101PhenanthreneDAILY AV <= .061 lb/d all year
101PhenanthreneDAILY MX <= .162 lb/d all year
101PyreneDAILY AV <= .069 lb/d all year
101PyreneDAILY MX <= .185 lb/d all year
101TetrachloroethyleneDAILY AV <= .061 lb/d all year
101TetrachloroethyleneDAILY MX <= .154 lb/d all year
1011,1-DichloroethaneDAILY AV <= .061 lb/d all year
1011,1-DichloroethaneDAILY MX <= .162 lb/d all year
1011,1-DichloroethyleneDAILY AV <= .044 lb/d all year
1011,1-DichloroethyleneDAILY MX <= .069 lb/d all year
1011,1,1-TrichloroethaneDAILY AV <= .058 lb/d all year
1011,1,1-TrichloroethaneDAILY MX <= .149 lb/d all year
1011,1,2-TrichloroethaneDAILY AV <= .058 lb/d all year
1011,1,2-TrichloroethaneDAILY MX <= .149 lb/d all year
1011,2-Dichloroethane, total weightDAILY AV <= .187 lb/d all year
1011,2-Dichloroethane, total weightDAILY MX <= .581 lb/d all year
1011,2-DichlorobenzeneDAILY AV <= .212 lb/d all year
1011,2-DichlorobenzeneDAILY MX <= .449 lb/d all year
1011,2-DichloropropaneDAILY AV <= .421 lb/d all year
1011,2-DichloropropaneDAILY MX <= .633 lb/d all year
101trans-1,2-DichloroethyleneDAILY AV <= .058 lb/d all year
101trans-1,2-DichloroethyleneDAILY MX <= .149 lb/d all year
1011,2,4-TrichlorobenzeneDAILY AV <= .187 lb/d all year
1011,2,4-TrichlorobenzeneDAILY MX <= .386 lb/d all year
1011,3-Dichloropropene, total weightDAILY AV <= .08 lb/d all year
1011,3-Dichloropropene, total weightDAILY MX <= .121 lb/d all year
1011,3-DichlorobenzeneDAILY AV <= .085 lb/d all year
1011,3-DichlorobenzeneDAILY MX <= .121 lb/d all year
1011,4-DichlorobenzeneDAILY AV <= .041 lb/d all year
1011,4-DichlorobenzeneDAILY MX <= .077 lb/d all year
1012-ChlorophenolDAILY AV <= .085 lb/d all year
1012-ChlorophenolDAILY MX <= .27 lb/d all year
1012-NitrophenolDAILY AV <= .113 lb/d all year
1012-NitrophenolDAILY MX <= .19 lb/d all year
1012,4-DichlorophenolDAILY AV <= .107 lb/d all year
1012,4-DichlorophenolDAILY MX <= .308 lb/d all year
1012,4-DimethylphenolDAILY AV <= .05 lb/d all year
1012,4-DimethylphenolDAILY MX <= .099 lb/d all year
1012,4-DinitrotolueneDAILY AV <= .311 lb/d all year
1012,4-DinitrotolueneDAILY MX <= .785 lb/d all year
1012,4-DinitrophenolDAILY AV <= .196 lb/d all year
1012,4-DinitrophenolDAILY MX <= .339 lb/d all year
1012,6-DinitrotolueneDAILY AV <= .702 lb/d all year
1012,6-DinitrotolueneDAILY MX <= 1.765 lb/d all year
1014-NitrophenolDAILY AV <= .198 lb/d all year
1014-NitrophenolDAILY MX <= .341 lb/d all year
1014,6-Dinitro-o-cresolDAILY AV <= .215 lb/d all year
1014,6-Dinitro-o-cresolDAILY MX <= .763 lb/d all year
101PhenolDAILY AV <= .041 lb/d all year
101PhenolDAILY MX <= .072 lb/d all year
101NaphthaleneDAILY AV <= .061 lb/d all year
101NaphthaleneDAILY MX <= .162 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]DAILY AV <= .284 lb/d all year
101Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .768 lb/d all year
101Di-n-butyl phthalateDAILY AV <= .074 lb/d all year
101Di-n-butyl phthalateDAILY MX <= .157 lb/d all year
101Vinyl chlorideDAILY AV <= .286 lb/d all year
101Vinyl chlorideDAILY MX <= .738 lb/d all year
101TrichloroethyleneDAILY AV <= .058 lb/d all year
101TrichloroethyleneDAILY MX <= .149 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV <= .33 MGD all year
101Flow, in conduit or thru treatment plantDAILY MX <= 3.41 MGD all year
1013,4-BenzofluorantheneDAILY AV <= .063 lb/d all year
1013,4-BenzofluorantheneDAILY MX <= .168 lb/d all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP 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