WESTCHESTER COUNTY DEPT ENV FAC

NPDES permit NY0026697 · Major POTW · administratively continued, expires 2017-10-31 · 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 2017-10-31 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

0values over a limit
0required values missing, on 0 form(s)
1of 65 forms filed late

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

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 (81)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 3400 lb/d all year
001Solids, total suspendedMO AVG <= 5200 lb/d all year
001Solids, total suspended7 DA AVG <= 5100 lb/d all year
001Solids, total suspended7 DA AVG <= 7700 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Solids, settleableDAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]Agg Rol Av <= 2482 lb/d all year
001Nitrogen, total [as N]1D <= 1781 lb/d all year
001Nitrogen, total [as N]Agg Rol Av report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]ANNL AVG report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrite total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, nitrate total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Chromium, total [as Cr]DAILY MX <= 3.5 lb/d (alert) all year
001Copper, total [as Cu]DAILY MX <= 6.5 lb/d all year
001Lead, total [as Pb]DAILY MX <= 2.4 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 3 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 21 lb/d (alert) all year
001Antimony, total [as Sb]DAILY MX <= 4.13 lb/d (alert) all year
001ChloroformDAILY MX <= 2.5 lb/d (alert) all year
001Methylene chlorideDAILY MX report only all year
001TetrachloroethyleneDAILY MX <= 1.13 lb/d all year
0011,1,1-TrichloroethaneDAILY MX report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001TrichloroethyleneDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 13.6 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= 20.6 MGD all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001Chlorine, total residualDAILY MX <= .5 mg/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, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L 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]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 2900 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 4300 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 4500 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 6900 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
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Solids, settleableDAILY MX report only all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003RainfallMO TOTAL report only all year
003Flow, in conduit or thru treatment plantMAXIMUM report only all year
003Chlorine, total residualDAILY MX <= 2 mg/L all year
003Coliform, fecal generalDAILY MX report only all year
003Solids, floating - visual determinationMO TOTAL report only all year
005BOD, 5-day, 20 deg. CDAILY MX report only all year
005Solids, total suspendedDAILY MX report only all year
005Solids, settleableDAILY MX report only all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005RainfallMO TOTAL report only all year
005Flow, in conduit or thru treatment plantMAXIMUM report only all year
005Chlorine, total residualDAILY MX <= 2 mg/L all year
005Coliform, fecal generalDAILY MX report only all year
005Solids, floating - visual determinationMO TOTAL 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