MOUNT DESERT TOWN OF

NPDES permit ME0102547 · Minor POTW · expired, expires 2025-05-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-05-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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 (read off this permit's own late-day counts in EPA's filings).

Limits in force (34)

OutfallParameterStatisticLimitMonths
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. CMO AVG <= 20 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 33 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 30 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 suspendedMO AVG <= 20 lb/d all year
001Solids, total suspendedDAILY MX <= 33 lb/d all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 30 lb/d all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Priority PollutantsVALUE report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .08 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .1 mg/L all year
001Chlorine, total residualDAILY MX <= .27 mg/L all year
001Analytical ChemistryVALUE report only all year
001Analytical ChemistryVALUE report only all year
001EnterococciMO AVG <= 8 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001EnterococciDAILY MX <= 54 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Mercury, total [as Hg]MO AVG <= 19.7 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 29.6 ng/L all year
001Coliform, fecal generalMO AVG <= 14 #/100mL all year
001Coliform, fecal generalMO AVG <= 15 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal generalDAILY MX <= 31 #/100mL all year
001Coliform, fecal generalDAILY MX <= 50 #/100mL May, Jun, Jul, Aug, Sep
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulataDAILY MN report only all year
001NOAEL Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MN >= 4.8 % 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