TONAWANDA (T)

NPDES permit NY0026395 · Major POTW · administratively continued, expires 2019-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2019-06-30 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

4values over a limit
0required values missing, on 0 form(s)
0of 78 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (1), Coliform, fecal general (1), pH (1).

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 (98)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 7500 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 11250 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 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 <= 7500 lb/d all year
001Solids, total suspended7 DA AVG <= 11250 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Cyanide, total [as CN]DAILY MX <= 29.2 lb/d (alert) all year
001Cyanide, total [as CN]DAILY MX <= 29.2 lb/d (alert) all year
001Chromium, total [as Cr]DAILY MX <= 3 lb/d (alert) all year
001Chromium, total [as Cr]DAILY MX <= 3 lb/d (alert) all year
001Copper, total [as Cu]DAILY MX <= 12.8 lb/d (alert) all year
001Copper, total [as Cu]DAILY MX <= 12.8 lb/d (alert) all year
001Lead, total [as Pb]DAILY MX <= 4 lb/d (alert) all year
001Lead, total [as Pb]DAILY MX <= 4 lb/d (alert) all year
001Nickel, total [as Ni]DAILY MX <= 5 lb/d (alert) all year
001Nickel, total [as Ni]DAILY MX <= 5 lb/d (alert) all year
001Zinc, total [as Zn]DAILY MX <= 27 lb/d (alert) all year
001Zinc, total [as Zn]DAILY MX <= 27 lb/d (alert) all year
001ChloroformDAILY MX <= 3 lb/d (alert) all year
001ChloroformDAILY MX <= 3 lb/d (alert) all year
001Phenolics, total recoverableMO AVG <= .1 mg/L all year
001TolueneDAILY MX <= 3 lb/d (alert) all year
001TolueneDAILY MX <= 3 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 30 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001Enterococci30DA GEO report only all year
001Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
001Mercury, total [as Hg]DAILY MX <= 50 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 removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
095Precipitation, total defined period/inDAILY MX report only all year
095BOD, 5-day, 20 deg. CDAILY MX report only all year
095pHMINIMUM >= 6 SU all year
095pHMAXIMUM <= 9 SU all year
095Solids, total suspendedDAILY MX report only all year
095Solids, settleableDAILY MX report only all year
095Oil & GreaseDAILY MX report only all year
095Floating solids, waste or visible foam-visualDAILY MX <= 0 abst=0;prst=1 all year
095Flow, in conduit or thru treatment plantDAILY MX report only all year
095Chlorine, total residualDAILY MX report only all year
095Enterococci30DA AVG report only all year
095Mercury, total [as Hg]DAILY MX report only all year
095Coliform, fecal general7 DA AVG report only all year
095Coliform, fecal generalDAILY MX report only all year
095BOD, 5-day, percent removal30DA AVG report only all year
095Solids, suspended percent removal30DA AVG report only all year
096Precipitation, total defined period/inDAILY MX report only all year
096BOD, 5-day, 20 deg. CDAILY MX report only all year
096BOD, 5-day, 20 deg. CMAXIMUM <= 45 mg/L (alert) all year
096pHMINIMUM >= 6 SU all year
096pHMAXIMUM <= 9 SU all year
096Solids, total suspendedDAILY MX report only all year
096Solids, total suspendedMAXIMUM <= 45 mg/L (alert) all year
096Solids, settleableDAILY MX <= .3 mL/L all year
096Oil & GreaseDAILY MX <= 15 mg/L all year
096Floating solids, waste or visible foam-visualDAILY MX <= 0 abst=0;prst=1 all year
096Flow, in conduit or thru treatment plantDAILY MX report only all year
096Chlorine, total residualDAILY MX <= 2 mg/L all year
096Enterococci30DA AVG report only all year
096Mercury, total [as Hg]DAILY MX report only all year
096Mercury, total [as Hg]DAILY MX report only all year
096Coliform, fecal general7 DA AVG <= 400 #/100mL all year
096Coliform, fecal generalDAILY MX report only all year
096BOD, 5-day, percent removal30DA AVG report only all year
096Solids, suspended percent removal30DA AVG report only all year
SUMBOD, 5-day, 20 deg. CDAILY MX report only all year
SUMBOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L (alert) all year
SUMpHMINIMUM >= 6 SU all year
SUMpHMAXIMUM <= 9 SU all year
SUMSolids, total suspendedDAILY MX report only all year
SUMSolids, total suspendedDAILY MX <= 45 mg/L (alert) all year
SUMSolids, settleableDAILY MX <= .3 mL/L all year
SUMOil & GreaseDAILY MX <= 15 mg/L all year
SUMFloating solids, waste or visible foam-visualDAILY MX <= 0 abst=0;prst=1 all year
SUMFlow, in conduit or thru treatment plantDAILY MX report only all year
SUMChlorine, total residualDAILY MX <= 2 mg/L all year
SUMEnterococci30DA AVG report only all year
SUMMercury, total [as Hg]DAILY MX report only all year
SUMColiform, fecal general7 DA AVG <= 400 #/100mL all year
SUMColiform, fecal generalDAILY MX report only all year
SUMBOD, 5-day, percent removal30DA AVG report only all year
SUMSolids, suspended percent removal30DA AVG 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