CORNWALL (T)

NPDES permit NY0022144 · Major POTW · effective, expires 2029-06-30 · 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

1values over a limit
0required values missing, on 0 form(s)
4of 13 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (26)

OutfallParameterStatisticLimitMonths
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 <= 380 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 560 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
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 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 <= 380 lb/d all year
001Solids, total suspended7 DA AVG <= 560 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]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 1.5 MGD all year
001Chlorine, total residualDAILY MX <= .1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 1.8 tox acute (alert) all year
001Toxicity [chronic], Ceriodaphnia dubiaMAXIMUM <= 26.7 tox chronic (alert) all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 1.8 tox acute (alert) all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MAXIMUM <= 26.7 tox chronic (alert) all year
001Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
001Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % 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