WASHBURN WATER AND SEWER DISTRICT

NPDES permit ME0101028 · Minor POTW · effective, expires 2029-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

4values over a limit
0required values missing, on 0 form(s)
1of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: BOD, 5-day, percent removal (4).

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 (38)

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 <= 71 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 118 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 106 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 <= 71 lb/d all year
001Solids, total suspendedDAILY MX <= 118 lb/d all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedWKLY AVG <= 106 lb/d all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]MO AVG <= .06 lb/d all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]MO AVG <= .12 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
001Flow, in conduit or thru treatment plantMO AVG <= .283 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 1 mg/L all year
001Mercury, total [as Hg]MO AVG <= 5.2 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 7.8 ng/L all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002Temperature, water deg. centigradeDAILY MX report only May, Jul, Oct
002Flow rateDAILY MX report only May, Jul, Oct
002ConductivityDAILY MX report only May, Jul, Oct
002E. coli, thermotol, MF, MTECDAILY MX report only May, Jul, Oct
MW1Temperature, water deg. centigradeDAILY MX report only May
MW1ConductivityDAILY MX report only May
MW1pHDAILY MX report only May
MW1Nitrogen, nitrate total [as N]DAILY MX <= 10 mg/L May
MW1Sodium, total [as Na]DAILY MX report only May
MW1Chloride [as Cl]DAILY MX report only May

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