ST. MARTIN AQUACULTURE, INC.

NPDES permit TX0113379 · Major NON-POTW · effective, expires 2026-10-14 · 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

0values over a limit
0required values missing, on 0 form(s)
3of 13 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 (53)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 4 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, volatile suspendedDAILY AV report only all year
001Solids, volatile suspendedDAILY MX report only all year
001Solids, volatile suspendedDAILY AV report only all year
001Solids, volatile suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY AV <= 1 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 2 mg/L all year
001Cadmium, total [as Cd]DAILY AV <= .0079 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .017 mg/L all year
001Copper, total [as Cu]DAILY AV <= .0019 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0041 mg/L all year
001Lead, total [as Pb]DAILY AV <= .013 mg/L all year
001Lead, total [as Pb]DAILY MX <= .027 mg/L all year
001Nickel, total [as Ni]DAILY AV <= .012 mg/L all year
001Nickel, total [as Ni]DAILY MX <= .025 mg/L all year
001Silver, total [as Ag]DAILY AV <= .0022 mg/L all year
001Silver, total [as Ag]DAILY MX <= .0047 mg/L all year
001Zinc, total [as Zn]DAILY AV report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV <= 4 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 13 MGD all year
001Inorganic suspended solidsDAILY AV <= 14 mg/L all year
001Inorganic suspended solidsDAILY MX <= 29 mg/L all year
001Inorganic suspended solidsDAILY AV report only all year
001Inorganic suspended solidsDAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 30 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 45 mg/L all year
TX1Whole effluent toxicity - retest #148HR MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #248HR MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia)48HR MIN report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia48HR MIN report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidiaMO AV MN report only all year
TX1NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia)48HR MIN report only all year
TX1NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOAEC Lethal Static Renewal 48HR Acute Menidia menidia48HR MIN report only all year
TX1NOAEC Lethal Static Renewal 48HR Acute Menidia menidiaMO AV MN report only all year
TX1LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)48HR MIN report only all year
TX1LOAEC Lethal Survival Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOAEC Survival Static Renewal 48HR Acute Menidia menidia48HR MIN report only all year
TX1LOAEC Survival Static Renewal 48HR Acute 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