BANGOR CITY OF

NPDES permit ME0100781 · Major POTW · effective, expires 2031-07-31 · 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

1values over a limit
4required values missing, on 1 form(s)
4of 37 forms filed late

Last period with anything received: 2026-08-31. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (64)

OutfallParameterStatisticLimitMonths
001Flow rateMINIMUM report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 4504 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX <= 8286 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 4504 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 6755 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 6755 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 4504 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX <= 11832 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 4504 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 6755 lb/d all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 6755 lb/d all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only Jun, Jul, Aug, Sep
001Lead, total [as Pb]MO AVG <= 25 ug/L all year
001Lead, total [as Pb]MO AVG <= 3.81 lb/d all year
001E. coli, thermotol, MF, MTECMO GEO <= 64 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, thermotol, MF, MTECDAILY MX <= 236 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, thermotol, MF, MTECDAILY MX <= 236 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli, thermotol, MF, MTECDAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 8.7 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG <= 18 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO TOTAL report only all year
001Flow, in conduit or thru treatment plantMO TOTAL report only all year
001Chlorine, total residualMO AVG <= .1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX report only May, Jun, Jul, Aug, Sep
001Chlorine, total residualDAILY MX <= 1 mg/L all year
001Chlorine, total residualDAILY MX <= .3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= 1 mg/L Apr, May
001Mercury, total [as Hg]MO AVG <= 11.3 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 16.9 ng/L all year
001OverflowsMO TOTAL report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
AM1Phosphorus, total [as P]MO AVG report only Jun, Jul, Aug, 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