Utilities Board of the City of Opp

NPDES permit AL0054313 · Major POTW · effective, expires 2027-07-31 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 57 forms filed late

Last period with anything received: 2026-07-31. Most often over: Toxicity [chronic], Ceriodaphnia dubia (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 (125)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 90 mg/L all year
001Solids, total suspendedWKLY AVG <= 135 mg/L all year
001Solids, total suspendedMO AVG <= 900 lb/d all year
001Solids, total suspendedWKLY AVG <= 1351 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 <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 7.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 50 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 200 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 75 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 300 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]WKLY AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, 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
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
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only 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 <= .08 mg/L all year
001Chlorine, total residualDAILY MX <= .14 mg/L all year
001E. coliMO AVG <= 126 #/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliMO AVG <= 548 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliDAILY MX <= 298 #/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 2507 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001Toxicity [chronic], Ceriodaphnia dubiaSINGSAMP <= 0 pass=0;fail=1 Feb, May, Aug, Nov
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]SINGSAMP <= 0 pass=0;fail=1 Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 37.5 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 200 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 250 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 300 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 375 lb/d Jan, Feb, Mar, Apr, Dec
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 >= 65 % all year
01ASolids, total suspendedMO AVG report only all year
01ASolids, total suspendedWKLY AVG report only all year
01AFlow, in conduit or thru treatment plantMO AVG report only all year
01AFlow, in conduit or thru treatment plantDAILY MX report only all year
01ABOD, carbonaceous [5 day, 20 C]MO AVG report only all year
01ABOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
01BSolids, total suspendedMO AVG report only all year
01BSolids, total suspendedWKLY AVG report only all year
01BFlow, in conduit or thru treatment plantMO AVG report only all year
01BFlow, in conduit or thru treatment plantDAILY MX report only all year
01BBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
01BBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
01CSolids, total suspendedMO AVG report only all year
01CSolids, total suspendedWKLY AVG report only all year
01CFlow, in conduit or thru treatment plantMO AVG report only all year
01CFlow, in conduit or thru treatment plantDAILY MX report only all year
01CBOD, carbonaceous [5 day, 20 C]MO AVG report only all year
01CBOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
MW1Nitrogen, total [as N]DAILY MX report only Mar, Sep
MW1Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
MW1Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
MW1Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
MW1Phosphorus, total [as P]DAILY MX report only Mar, Sep
MW1Carbon, tot organic [TOC]DAILY MX report only Mar, Sep
MW1Methylene blue active substancesDAILY MX report only Mar, Sep
MW1E. coliDAILY MX report only Mar, Sep
MW1Coliform, fecal generalDAILY MX report only Mar, Sep
MW1Water level at sample collection timeDAILY MX report only Mar, Sep
MW2Nitrogen, total [as N]DAILY MX report only Mar, Sep
MW2Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
MW2Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
MW2Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
MW2Phosphorus, total [as P]DAILY MX report only Mar, Sep
MW2Carbon, tot organic [TOC]DAILY MX report only Mar, Sep
MW2Methylene blue active substancesDAILY MX report only Mar, Sep
MW2E. coliDAILY MX report only Mar, Sep
MW2Coliform, fecal generalDAILY MX report only Mar, Sep
MW2Water level at sample collection timeDAILY MX report only Mar, Sep
MW3Nitrogen, total [as N]DAILY MX report only Mar, Sep
MW3Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
MW3Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
MW3Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
MW3Phosphorus, total [as P]DAILY MX report only Mar, Sep
MW3Carbon, tot organic [TOC]DAILY MX report only Mar, Sep
MW3Methylene blue active substancesDAILY MX report only Mar, Sep
MW3E. coliDAILY MX report only Mar, Sep
MW3Coliform, fecal generalDAILY MX report only Mar, Sep
MW3Water level at sample collection timeDAILY MX report only Mar, Sep
MW4Nitrogen, total [as N]DAILY MX report only Mar, Sep
MW4Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
MW4Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
MW4Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
MW4Phosphorus, total [as P]DAILY MX report only Mar, Sep
MW4Carbon, tot organic [TOC]DAILY MX report only Mar, Sep
MW4Methylene blue active substancesDAILY MX report only Mar, Sep
MW4E. coliDAILY MX report only Mar, Sep
MW4Coliform, fecal generalDAILY MX report only Mar, Sep
MW4Water level at sample collection timeDAILY MX report only Mar, Sep
MW5Nitrogen, total [as N]DAILY MX report only Mar, Sep
MW5Nitrogen, ammonia total [as N]DAILY MX report only Mar, Sep
MW5Nitrogen, nitrite total [as N]DAILY MX report only Mar, Sep
MW5Nitrogen, nitrate total [as N]DAILY MX report only Mar, Sep
MW5Phosphorus, total [as P]DAILY MX report only Mar, Sep
MW5Carbon, tot organic [TOC]DAILY MX report only Mar, Sep
MW5Methylene blue active substancesDAILY MX report only Mar, Sep
MW5E. coliDAILY MX report only Mar, Sep
MW5Coliform, fecal generalDAILY MX report only Mar, Sep
MW5Water level at sample collection timeDAILY MX report only Mar, Sep

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