NIAGARA FALLS WATER BOARD

NPDES permit NY0026336 · Major POTW · effective, expires 2031-08-31 · 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

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

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NY permits in EPA's filings — check your permit).

Limits in force (62)

OutfallParameterStatisticLimitMonths
001Color, apparent [unfiltered sample]DAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 12000 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 18000 lb/d all year
001BOD, 5-day, 20 deg. CMO AV MN report only 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 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 12000 lb/d all year
001Solids, total suspended7 DA AVG <= 18000 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Carbon, tot organic [TOC]MO AVG <= 15200 lb/d all year
001Carbon, tot organic [TOC]7 DA AVG <= 22800 lb/d all year
001Cyanide, total [as CN]DAILY MX <= 52 ug/L all year
001Sulfide, total [as S]DAILY MX <= 32 ug/L all year
001Sulfide, total [as S]DAILY MX report only all year
001Sulfide, total [as S]DAILY MX <= 13 lb/d all year
001Phenolics, total (pounds per day)DAILY MX <= 5 ug/L all year
001Phenolics, total (pounds per day)DAILY MX report only all year
001Phenolics, total (pounds per day)DAILY MX <= 61 lb/d all year
001.delta.-BHCMO AVG <= .04 ug/L all year
001.delta.-BHCMO AVG report only all year
0014,4'-DDTMO AVG <= .05 ug/L all year
0014,4'-DDTMO AVG report only all year
0014,4'-DDDMO AVG <= .04 ug/L all year
0014,4'-DDDMO AVG report only all year
0014,4'-DDEMO AVG <= .02 ug/L all year
0014,4'-DDEMO AVG report only all year
001.alpha.-BHCMO AVG <= .01 ug/L all year
001.alpha.-BHCMO AVG report only all year
001.beta.-BHCMO AVG <= .02 ug/L all year
001.beta.-BHCMO AVG report only all year
001.gamma.-BHCMO AVG <= .02 ug/L all year
001.gamma.-BHCMO AVG report only all year
001DieldrinMO AVG <= .002 ug/L all year
001DieldrinMO AVG report only all year
001PCB-1248DAILY MX <= .095 ug/L all year
001PCB-1248MO AVG report only all year
001HexachlorobenzeneMO AVG <= .2 ug/L all year
001HexachlorobenzeneMO AVG report only all year
001MirexMO AVG <= .4 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG <= 48 MGD all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Chlorine, total residualDAILY MX <= 3 mg/L all year
001Solids, total dissolvedDAILY MX <= 2000 mg/L all year
001Mercury, total [as Hg]MO AVG <= 50 ng/L all year
001Mercury, total [as Hg]ROLL AVG <= 16 ng/L all year
001Coliform, fecal general30DA GEO <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, 5-day, percent removalDAILY MN >= 85 % all year
001BOD, 5-day, percent removalDAILY MN report only all year
001Solids, suspended percent removalDAILY MN >= 85 % all year
001Solids, suspended percent removalDAILY MN 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