NORTH HAVEN TOWN OF

NPDES permit ME0101907 · Minor POTW · effective, expires 2030-02-28 · 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: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among ME permits in EPA's filings — check your permit).

Limits in force (22)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 376 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 125 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 78 mg/L all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 26 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableMO AVG report only all year
001Solids, settleableDAILY MX report only all year
001Fecal coliform, MPN, EC med, 44.5 CMO AVG <= 14 MPN/100mL all year
001Fecal coliform, MPN, EC med, 44.5 CDAILY MX <= 31 MPN/100mL all year
001Flow, in conduit or thru treatment plantMO AVG <= 40000 gal/d all year
001Chlorine, total residualDAILY MX <= .3 mg/L all year
001BOD, percent removal [total]MO AV MN >= 30 % all year
001EnterococciMO AVG <= 8 MPN/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001EnterococciDAILY MX <= 54 MPN/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Mercury, total [as Hg]MO AVG <= 50.1 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 75.2 ng/L all year
001Solids, suspended percent removalMO AV MN >= 50 % 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