NORTH BERWICK SANITARY DIST

NPDES permit ME0101885 · Minor POTW · effective, expires 2031-04-30 · 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

2values over a limit
0required values missing, on 0 form(s)
2of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, suspended percent removal (1), 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 (40)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 163 lb/d Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 271 lb/d Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 224 lb/d Jan, Feb, Mar, Nov, Dec
001pHMINIMUM >= 6 SU Jan, Feb, Mar, Nov, Dec
001pHMAXIMUM <= 9 SU Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedDAILY MX <= 50 mg/L Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedMO AVG <= 163 lb/d Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedDAILY MX <= 271 lb/d Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedWKLY AVG <= 45 mg/L Jan, Feb, Mar, Nov, Dec
001Solids, total suspendedWKLY AVG <= 244 lb/d Jan, Feb, Mar, Nov, Dec
001Solids, settleableDAILY MX <= .3 mL/L Jan, Feb, Mar, Nov, Dec
001Cadmium, total [as Cd]MO AVG <= 1.2 ug/L Jan, Feb, Mar, Nov, Dec
001Cadmium, total [as Cd]MO AVG <= .006 lb/d Jan, Feb, Mar, Nov, Dec
001Lead, total [as Pb]MO AVG <= 6.3 ug/L Jan, Feb, Mar, Nov, Dec
001Lead, total [as Pb]MO AVG <= .03 lb/d Jan, Feb, Mar, Nov, Dec
001Thallium, total [as Tl]MO AVG <= 2.6 ug/L Jan, Feb, Mar, Nov, Dec
001Thallium, total [as Tl]MO AVG <= .014 lb/d Jan, Feb, Mar, Nov, Dec
001E. coli, thermotol, MF, MTECMO GEO <= 64 #/100mL Jan, Feb, Mar, Nov, Dec
001E. coli, thermotol, MF, MTECDAILY MX <= 236 #/100mL Jan, Feb, Mar, Nov, Dec
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 18 ug/L Jan, Feb, Mar, Nov, Dec
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .098 lb/d Jan, Feb, Mar, Nov, Dec
001Flow, in conduit or thru treatment plantMO AVG <= 1 MGD Jan, Feb, Mar, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Analytical ChemistryVALUE report only Jan, Feb, Mar, Nov, Dec
001Mercury, total [as Hg]MO AVG <= 7 ng/L Jan, Feb, Mar, Nov, Dec
001Mercury, total [as Hg]DAILY MX <= 10.5 ng/L Jan, Feb, Mar, Nov, Dec
001BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Mar, Nov, Dec
001Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Mar, Nov, Dec
001NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiaDAILY MN report only Jan, Feb, Mar, Nov, Dec
001Noel Statre 10Day Chronic Salvel. SalmonidDAILY MN report only Jan, Feb, Mar, Nov, Dec
001NOAEL Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only Jan, Feb, Mar, Nov, Dec
001NOAEL Static 48Hr Acute Salvel. SalmonidDAILY MN >= 15 % Jan, Feb, Mar, Nov, Dec
002Temperature, water deg. centigradeDAILY MX report only Apr, Jul, Oct
002Flow rateDAILY MX report only Apr, Jul, Oct
002Specific conductanceDAILY MX report only Apr, Jul, Oct
002E. coli, thermotol, MF, MTECDAILY MX report only Apr, Jul, Oct

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