City of Auburn

NPDES permit AL0050245 · Major POTW · effective, expires 2028-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 12 forms filed late

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

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 (59)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]DAILY MN >= 6 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 <= 550 lb/d all year
001Solids, total suspendedWKLY AVG <= 825 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 <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 1.8 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 2.7 mg/L Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 18.3 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG <= 33 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 27.5 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]WKLY AVG <= 49.5 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 Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG <= .25 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]WKLY AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]WKLY AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]WKLY AVG report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]WKLY AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
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 <= .019 mg/L all year
001Chlorine, total residualDAILY MX <= .033 mg/L all year
001E. coliMO AVG <= 548 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliMO AVG <= 126 #/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 2507 #/100mL Jan, Feb, Mar, Apr, Nov, Dec
001E. coliDAILY MX <= 298 #/100mL May, Jun, Jul, Aug, Sep, Oct
001Toxicity [chronic], Ceriodaphnia dubiaSINGSAMP <= 0 pass=0;fail=1 Oct
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]SINGSAMP <= 0 pass=0;fail=1 Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 7 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 7.5 mg/L May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 10.5 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 91.7 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 128 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 137 lb/d May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 192 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 >= 85 % 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