YARMOUTH TOWN OF

NPDES permit ME0100765 · Major POTW · administratively continued, expires 2022-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2022-08-31 and is administratively continued: 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

1values over a limit
0required values missing, on 0 form(s)
2of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (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 (35)

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 <= 210 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 350 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 315 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 <= 210 lb/d all year
001Solids, total suspendedDAILY MX <= 350 lb/d all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 315 lb/d all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Sep, Oct
001Nitrite + Nitrate total [as N]MO AVG report only Sep, Oct
001Nitrite + Nitrate total [as N]DAILY MX report only Sep, Oct
001Nitrite + Nitrate total [as N]MO AVG report only Sep, Oct
001Nitrite + Nitrate total [as N]DAILY MX report only Sep, Oct
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX <= 1.15 lb/d all year
001Coliform, fecal MF, MFC broth, 44.5 CMO GEO <= 15 #/100mL all year
001Coliform, fecal MF, MFC broth, 44.5 CDAILY MX <= 50 #/100mL all year
001Flow, in conduit or thru treatment plantMO AVG <= 1.31 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 <= .3 mg/L all year
001Mercury, total [as Hg]MO AVG <= 10.1 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 15.1 ng/L all year
001BOD, 5-day, 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