KEENE CITY OF

NPDES permit NH0100790 · Major POTW · effective, expires 2026-11-30 · 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.

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

6values over a limit
0required values missing, on 0 form(s)
0of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Aluminum, total recoverable (5), pH (1).

Reporting

Reports are due about 16 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (80)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only Jul, Aug, Sep
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8 SU all year
001pHDAILY MX report only 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 <= 1502 lb/d all year
001Solids, total suspendedDAILY MX <= 2504 lb/d all year
001Solids, total suspendedWKLY AVG <= 2253 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, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]ROLL AVG <= 501 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 9.9 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 3.1 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 105 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 496 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 155 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jul, Aug, Sep
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= .18 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= 1 mg/L Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Carbon, tot organic [TOC]DAILY MX report only Jul, Aug, Sep
001Carbon, tot organic [TOC]DAILY MX report only Jul, Aug, Sep
001Carbon, dissolved organic [as C]DAILY MX report only Jul, Aug, Sep
001Hardness, total [as CaCO3]DAILY MX report only Jul, Aug, Sep
001Hardness, total [as CaCO3]DAILY MX report only Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Jul, Aug, Sep
001Cadmium, total [as Cd]DAILY MX report only Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Jul, Aug, Sep
001Copper, total [as Cu]DAILY MX report only Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Jul, Aug, Sep
001Lead, total [as Pb]DAILY MX report only Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Jul, Aug, Sep
001Nickel, total [as Ni]DAILY MX report only Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Jul, Aug, Sep
001Zinc, total [as Zn]DAILY MX report only Jul, Aug, Sep
001Zinc, total recoverableMO AVG <= 77 ug/L all year
001Zinc, total recoverableDAILY MX <= 77 ug/L all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableMO AVG <= 109 ug/L all year
001Aluminum, total recoverableDAILY MX report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only Jul, Aug, Sep
001Aluminum, total [as Al]DAILY MX report only Jul, Aug, Sep
001Lead, total recoverableMO AVG <= 1.1 ug/L all year
001Copper, total recoverableMO AVG <= 6.2 ug/L all year
001Copper, total recoverableDAILY MX <= 8.2 ug/L 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 plantANNL AVG <= 6 MGD 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 <= 1252 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2253 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 2003 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 >= 100 % Jul, Aug, Sep
001LC50 Static 48Hr Acute Pimephales promelasMO AV MN >= 100 % Jul, Aug, Sep
001NOEL Static 7Day Chronic Ceriodaphnia dubiaMO AV MN >= 50 % Jul, Aug, Sep
001Noel Static 7Day Chronic PimephalesMO AV MN >= 50 % 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