TRI-MUNICIPAL SEWER COMMISSION

NPDES permit NY0149209 · Major POTW · administratively continued, expires 2019-08-31 · 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.

This permit expired on 2019-08-31 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

2values over a limit
0required values missing, on 0 form(s)
5of 26 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (1), Solids, settleable (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 (23)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 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 <= 700 lb/d all year
001Solids, total suspended7 DA AVG <= 1000 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX <= 1 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 2.775 MGD all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001Coliform, fecal general30DA GEO <= 200 MPN/100mL all year
001Coliform, fecal general7 DA GEO <= 400 MPN/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 580 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 930 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % 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