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NPDES permit NH0100366 · Major POTW · administratively continued, expires 2020-11-30 · 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.

This permit expired on 2020-11-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-08-31.

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 (67)

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 <= 796 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1327 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 1194 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only 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 <= 796 lb/d all year
001Solids, total suspendedDAILY MX <= 1327 lb/d all year
001Solids, total suspendedWKLY AVG <= 1194 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Oct, Nov, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Oct, Nov, Dec
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 report only 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 <= 1 mg/L all year
001E. coliMO GEO <= 126 CFU/100mL all year
001E. coliDAILY MX <= 406 CFU/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MN >= 50 % Jul, Aug, Sep
001LC50 Static Renewal 48Hr Acute Pimephales promelasDAILY MN >= 50 % Jul, Aug, Sep
010E. coliDAILY MX <= 1000 CFU/100mL all year
022E. coliDAILY MX <= 1000 CFU/100mL all year
023E. coliDAILY MX <= 1000 CFU/100mL all year
024E. coliDAILY MX <= 1000 CFU/100mL all year
026E. coliDAILY MX <= 1000 CFU/100mL all year
027E. coliDAILY MX <= 1000 CFU/100mL all year
0ZZE. coliDAILY MX <= 1000 CFU/100mL 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