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NPDES permit NH0100455 · Major POTW · administratively continued, expires 2005-01-29 · 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.

This permit expired on 2005-01-29 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 16 forms filed late

Last period with anything received: 2026-08-31. Most often over: Coliform, fecal general (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 all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 630 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1043 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 940 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedMO AVG <= 630 lb/d all year
001Solids, total suspendedDAILY MX <= 1043 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG <= 940 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AV MN report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .05 mg/L all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Coliform, fecal generalMO GEO <= 14 #/100mL all year
001Coliform, fecal generalWB <= 14 #/100mL all year
001Coliform, fecal generalDAILY MX <= 14 #/100mL all year
001Coliform, fecal generalMAXIMUM report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)DAILY MN >= 100 % all year
001LC50 Static 48Hr Acute MenidiaDAILY MN >= 100 % all year
001NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulataDAILY MN >= 58.8 % all year
001Noel Statre 7Day Chronic MenidiaDAILY MN >= 58.8 % 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