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NPDES permit NH0100161 · Major POTW · administratively continued, expires 2019-05-31 · 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 2019-05-31 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

3values over a limit
0required values missing, on 0 form(s)
0of 13 forms filed late

Last period with anything received: 2026-08-31. Most often over: pH (3).

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among NH permits in EPA's filings — check your permit).

Limits in force (39)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 1199 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 2581 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 1473 lb/d all year
001Solids, total suspendedDAILY MX <= 3255 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only Jul, Aug, Sep
001Phosphorus, total [as P]MO AVG <= 164.8 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Hardness, total [as CaCO3]DAILY MX report only Jul, Aug, Sep
001Nickel, total recoverableDAILY MX report only Jul, Aug, Sep
001Zinc, total recoverableDAILY MX report only Jul, Aug, Sep
001Aluminum, total recoverableDAILY MX report only Jul, Aug, Sep
001Cadmium, total recoverableDAILY MX report only Jul, Aug, Sep
001Lead, total recoverableDAILY MX report only Jul, Aug, Sep
001Copper, total recoverableDAILY MX report only Jul, Aug, Sep
001Flow, in conduit or thru treatment plantMO AVG <= 5 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG <= .85 mg/L all year
001Chlorine, total residualDAILY MX <= 1 mg/L all year
001E. coli, colony forming units [CFU]MO GEO <= 126 CFU/100mL all year
001E. coli, colony forming units [CFU]DAILY MX <= 406 CFU/100mL all year
001Flow, process wastewaterMO AVG report only all year
001Flow, process wastewaterDAILY MX report only all year
001Flow, process wastewaterWKLY AVG 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 Ceriodaphnia dubiaDAILY MN >= 100 % Jul, Aug, Sep
001LC50 Static 48Hr Acute Pimephales promelasDAILY MN >= 100 % Jul, Aug, Sep

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