MARTIN OPERATING PARTNERSHIP LP

NPDES permit TX0003662 · Minor NON-POTW · administratively continued, expires 2025-02-11 · 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 2025-02-11 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

0values over a limit
0required values missing, on 0 form(s)
0of 114 forms filed late

Last period with anything received: 2026-07-31.

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 (142)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Nitrogen, ammonia total [as N]DAILY AV report only all year
002Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
002Nitrogen, ammonia total [as N]DAILY MX <= 50 lb/d all year
002Carbon, tot organic [TOC]DAILY AV report only all year
002Carbon, tot organic [TOC]DAILY MX <= 75 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
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Oil & GreaseDAILY AV <= 15 mg/L all year
003Nitrogen, ammonia total [as N]DAILY AV report only all year
003Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX <= 50 lb/d all year
003Carbon, tot organic [TOC]DAILY AV report only all year
003Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY AV <= 55 mg/L all year
004Solids, total suspendedDAILY MX <= 65 mg/L all year
004Solids, total suspendedDAILY AV <= 101 lb/d all year
004Solids, total suspendedDAILY MX <= 119 lb/d all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 27.5 lb/d all year
004Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
004Nitrogen, ammonia total [as N]DAILY MX <= 36.7 lb/d all year
004Flow [dry weather]DAILY AV <= .22 MGD all year
004Flow [dry weather]DAILY MX <= .475 MGD all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 8.23 lb/d all year
005Nitrogen, ammonia total [as N]DAILY AV report only all year
005Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
005Nitrogen, ammonia total [as N]DAILY MX <= 11 lb/d all year
005Carbon, tot organic [TOC]DAILY AV report only all year
005Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 41.2 lb/d all year
005Thallium, total [as Tl]DAILY AV <= .008 mg/L all year
005Thallium, total [as Tl]DAILY MX <= .017 mg/L all year
005Flow [dry weather]DAILY AV <= .0658 MGD all year
005Flow [dry weather]DAILY MX <= .1339 MGD all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Nitrogen, ammonia total [as N]DAILY AV report only all year
006Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
006Nitrogen, ammonia total [as N]DAILY MX <= 50 lb/d all year
006Carbon, tot organic [TOC]DAILY AV report only all year
006Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
006Flow, in conduit or thru treatment plantDAILY AV report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Nitrogen, ammonia total [as N]DAILY AV report only all year
007Nitrogen, ammonia total [as N]DAILY MX <= 20 mg/L all year
007Nitrogen, ammonia total [as N]DAILY MX <= 50 lb/d all year
007Carbon, tot organic [TOC]DAILY AV report only all year
007Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
007Flow, in conduit or thru treatment plantDAILY AV report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY AV <= 30 mg/L all year
008Solids, total suspendedDAILY MX <= 100 mg/L all year
008Solids, total suspendedDAILY AV <= 52 lb/d all year
008Solids, total suspendedDAILY MX <= 173 lb/d all year
008Oil & GreaseDAILY AV <= 15 mg/L all year
008Oil & GreaseDAILY MX <= 20 mg/L all year
008Oil & GreaseDAILY AV <= 26 lb/d all year
008Oil & GreaseDAILY MX <= 34.7 lb/d all year
008Nitrogen, ammonia total [as N]DAILY MX <= 15 mg/L all year
008Nitrogen, ammonia total [as N]DAILY MX <= 24.4 lb/d all year
008Carbon, tot organic [TOC]DAILY MX <= 75 mg/L all year
008Carbon, tot organic [TOC]DAILY MX <= 122 lb/d all year
008Copper, total [as Cu]DAILY AV <= .01376 mg/L all year
008Copper, total [as Cu]DAILY MX <= .0291 mg/L all year
008Copper, total [as Cu]DAILY AV <= .024 lb/d all year
008Copper, total [as Cu]DAILY MX <= .05 lb/d all year
008Zinc, total [as Zn]DAILY AV <= .136 mg/L all year
008Zinc, total [as Zn]DAILY MX <= .288 mg/L all year
008Zinc, total [as Zn]DAILY AV <= .236 lb/d all year
008Zinc, total [as Zn]DAILY MX <= .5 lb/d all year
008Flow [dry weather]DAILY AV <= .208 MGD all year
008Flow [dry weather]DAILY MX <= .973 MGD all year
102pHMINIMUM >= 6 SU all year
102pHMAXIMUM <= 9 SU all year
102Nitrogen, ammonia total [as N]DAILY AV report only all year
102Nitrogen, ammonia total [as N]DAILY MX report only all year
102Benzene, ethylbenzene, toluene, xylene combinationDAILY AV report only all year
102Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .05 mg/L all year
102Petrol hydrocarbons, total recoverableDAILY AV report only all year
102Petrol hydrocarbons, total recoverableDAILY MX <= 15 mg/L all year
102Flow, in conduit or thru treatment plantDAILY AV report only all year
102Flow, in conduit or thru treatment plantDAILY MX report only all year
105pHMINIMUM >= 6 SU all year
105pHMAXIMUM <= 9 SU all year
105Nitrogen, ammonia total [as N]DAILY AV report only all year
105Nitrogen, ammonia total [as N]DAILY MX report only all year
105Benzene, ethylbenzene, toluene, xylene combinationDAILY AV report only all year
105Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= .05 mg/L all year
105Petrol hydrocarbons, total recoverableDAILY AV report only all year
105Petrol hydrocarbons, total recoverableDAILY MX <= 15 mg/L all year
105Flow, in conduit or thru treatment plantDAILY AV report only all year
105Flow, in conduit or thru treatment plantDAILY MX report only all year
TX2Whole effluent toxicitySINGSAMP <= 100 % all year
TX2Whole effluent toxicitySINGSAMP <= 100 % all year
TX2Whole effluent toxicity - retest #1SINGSAMP report only all year
TX2Whole effluent toxicity - retest #2SINGSAMP report only all year
TX2LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX2LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX3Whole effluent toxicity - retest #1SINGSAMP report only all year
TX3Whole effluent toxicity - retest #2SINGSAMP report only all year
TX3LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX3LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX4Whole effluent toxicity - retest #1SINGSAMP report only all year
TX4Whole effluent toxicity - retest #2SINGSAMP report only all year
TX4LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX4LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX5Whole effluent toxicitySINGSAMP <= 100 % all year
TX5Whole effluent toxicitySINGSAMP <= 100 % all year
TX5Whole effluent toxicity - retest #1SINGSAMP report only all year
TX5Whole effluent toxicity - retest #2SINGSAMP report only all year
TX5LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX5LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX6Whole effluent toxicity - retest #1SINGSAMP report only all year
TX6Whole effluent toxicity - retest #2SINGSAMP report only all year
TX6LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX6LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX7Whole effluent toxicity - retest #1SINGSAMP report only all year
TX7Whole effluent toxicity - retest #2SINGSAMP report only all year
TX7LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX7LC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only all year
TX8Whole effluent toxicity - retest #1SINGSAMP report only all year
TX8Whole effluent toxicity - retest #2SINGSAMP report only all year
TX8LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TX8LC50 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