Utilities Board of the City of Bayou La Batre

NPDES permit AL0078921 · Major POTW · effective, expires 2028-09-30 · EPA's file as of 2026-09-19

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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

1values over a limit
0required values missing, on 0 form(s)
0of 43 forms filed late

Last period with anything received: 2026-08-31. Most often over: Arsenic, trivalent dissolved (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (120)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 2 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 750 lb/d all year
001Solids, total suspendedWKLY AVG <= 1125 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 15 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 250 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 375 lb/d all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 20 mg/L all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 30 mg/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 500 lb/d all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 750 lb/d all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]WKLY AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX = 119 ug/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX = 6.36 ug/L all year
001Arsenic, trivalent dissolvedMO AVG <= 3.65 ug/L all year
001Arsenic, trivalent dissolvedDAILY MX <= 91.5 ug/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
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX <= .017 mg/L all year
001EnterococciMO AVG <= 35 #/100mL all year
001EnterococciDAILY MX <= 104 #/100mL all year
001Mercury, total recoverableMO AVG report only all year
001Mercury, total recoverableDAILY MX report only all year
001Coliform, fecal generalMO AVG <= 14 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 37.5 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 625 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 938 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP <= 0 pass=0;fail=1 Aug
001Pass/Fail Static Renewal 7Day Chronic Cyprinodon variegatusSINGSAMP <= 0 pass=0;fail=1 Aug
002pHDAILY MN report only all year
002pHDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002EnterococciDAILY MX report only all year
002Coliform, fecal generalDAILY MX report only all year
002BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
004Oxygen, dissolved [DO]DAILY MN report only all year
004pHDAILY MN >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedWKLY AVG <= 45 mg/L all year
004Solids, total suspendedMO AVG <= 750 lb/d all year
004Solids, total suspendedWKLY AVG <= 1125 lb/d all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedWKLY AVG report only all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedWKLY AVG report only all year
004Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L all year
004Nitrogen, ammonia total [as N]WKLY AVG <= 30 mg/L all year
004Nitrogen, ammonia total [as N]MO AVG <= 500 lb/d all year
004Nitrogen, ammonia total [as N]WKLY AVG <= 750 lb/d all year
004Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
004Nitrogen, Kjeldahl, total [as N]WKLY AVG report only all year
004Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
004Nitrogen, Kjeldahl, total [as N]WKLY AVG report only all year
004Nitrite + Nitrate total [as N]MO AVG report only all year
004Nitrite + Nitrate total [as N]WKLY AVG report only all year
004Nitrite + Nitrate total [as N]MO AVG report only all year
004Nitrite + Nitrate total [as N]WKLY AVG report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]WKLY AVG report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]WKLY AVG report only all year
004Thallium, total recoverableMO AVG report only all year
004Thallium, total recoverableDAILY MX report only all year
004Copper, total recoverableMO AVG report only all year
004Copper, total recoverableDAILY MX = 19.9 ug/L all year
004Arsenic, trivalent dissolvedMO AVG <= 5.22 ug/L all year
004Arsenic, trivalent dissolvedDAILY MX <= 286 ug/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualMO AVG report only all year
004Chlorine, total residualDAILY MX <= .053 mg/L all year
004EnterococciMO AVG <= 35 #/100mL all year
004EnterococciDAILY MX <= 104 #/100mL all year
004Mercury, total recoverableMO AVG report only all year
004Mercury, total recoverableDAILY MX report only all year
004Coliform, fecal generalMO AVG <= 14 #/100mL all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 37.5 mg/L all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 625 lb/d all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 938 lb/d all year
004BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
004BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
004BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
004Solids, suspended percent removalMO AV MN >= 85 % all year
004Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP <= 0 pass=0;fail=1 Aug
004Pass/Fail Static Renewal 7Day Chronic Cyprinodon variegatusSINGSAMP <= 0 pass=0;fail=1 Aug

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