Allenstown W W T F

NPDES permit NH0101390 · Minor POTW · effective, expires 2027-01-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

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

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 (74)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHDAILY MX report only Jan, Feb, Mar, 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 <= 263 lb/d all year
001Solids, total suspendedDAILY MX <= 438 lb/d all year
001Solids, total suspendedWKLY AVG <= 394 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrite + Nitrate total [as N]MO AVG report only Jan, Feb, Mar, Nov, Dec
001Nitrite + Nitrate total [as N]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrite + Nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Carbon, tot organic [TOC]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Carbon, tot organic [TOC]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Carbon, dissolved organic [as C]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Hardness, total [as CaCO3]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Hardness, total [as CaCO3]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Aluminum, total [as Al]DAILY MX report only Jan, Feb, Mar, Jul, Aug, Sep
001Aluminum, total [as Al]DAILY MX report only Jan, Feb, Mar, 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
001Flow, in conduit or thru treatment plantROLL AVG <= 1.5 MGD all year
001Chlorine, total residualMO AVG <= 1 mg/L all year
001Chlorine, total residualDAILY MX <= 1 mg/L all year
001E. coliMO GEO <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 45 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 219 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 394 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 350 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMO AV MN >= 50 % Jan, Feb, Mar, Jul, Aug, Sep
001LC50 Static 48Hr Acute Pimephales promelasMO AV MN >= 50 % Jan, Feb, Mar, Jul, Aug, Sep
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