EXETER TOWN OF

NPDES permit NH0100871 · Major POTW · effective, expires 2027-10-31 · 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.

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

1values over a limit
1required values missing, on 1 form(s)
1of 43 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal - % samples exceeding limit (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 (68)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
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 <= 751 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 1251 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 1126 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8 SU all year
001pHDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001SalinityDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001SalinityDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
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 <= 751 lb/d all year
001Solids, total suspendedDAILY MX <= 1251 lb/d all year
001Solids, total suspendedWKLY AVG <= 1126 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Carbon, tot organic [TOC]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Carbon, tot organic [TOC]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Arsenic, InorganicDAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Arsenic, total [as As]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Arsenic, total [as As]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
001Coliform, fecal - % samples exceeding limitGEO MEAN <= 10 % 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
001Flow, in conduit or thru treatment plantROLL AVG <= 3 MGD all year
001EnterococciMO GEO <= 35 #/100mL all year
001EnterococciDAILY MX <= 104 #/100mL all year
001Coliform, fecal generalMO GEO <= 14 #/100mL all year
001Coliform, fecal generalDAILY MX 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)MO AV MN >= 100 % Apr, May, Jun, Jul, Aug, Sep
001LC50 Static 48Hr Acute MenidiaMO AV MN >= 100 % Apr, May, Jun, Jul, Aug, Sep
003Temperature, water deg. centigradeMO TOTAL report only all year
003DurationMO TOTAL report only all year
003E. coliMAXIMUM report only all year
003Number of EventsMO TOTAL report only all year
003Flow, totalMO TOTAL report only all year
003EnterococciMO TOTAL report only all year
003Coliform, fecal generalMO TOTAL report only all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorooctanoic acid (PFOA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorononanoic acid (PFNA)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorohexanesulfonic acid (PFHxS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only all year
PFASPerfluorooctanesulfonic acid (PFOS)DAILY MX report only 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