WESTCHESTER CO DEPT ENV FAC

NPDES permit NY0026689 · Major POTW · administratively continued, expires 2019-05-31 · 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 2019-05-31 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

7values over a limit
0required values missing, on 0 form(s)
5of 52 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), Nitrogen, ammonia, total [as NH3] (1), Oil petroleum, total recoverable (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 (89)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX 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 <= 23000 lb/d all year
001Solids, total suspended7 DA AVG <= 35000 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX <= 6 lb/d (alert) all year
001Chromium, total [as Cr]DAILY MX <= 13 lb/d (alert) all year
001Copper, dissolved [as Cu]MO AVG report only all year
001Copper, dissolved [as Cu]DAILY MX report only all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX <= 46 lb/d all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX <= 19 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 15 lb/d (alert) all year
001Zinc, total [as Zn]DAILY MX <= 75 lb/d (alert) all year
001Antimony, total [as Sb]DAILY MX <= 10 lb/d (alert) all year
001Aluminum, total [as Al]DAILY MX <= 140 lb/d (alert) all year
001ChloroformDAILY MX <= 4 lb/d (alert) all year
001Phenolics, total recoverableDAILY MX <= 60 lb/d (alert) all year
001TolueneDAILY MX <= 3 lb/d (alert) all year
001Methylene chlorideDAILY MX <= 2 lb/d (alert) all year
0011,1,1-TrichloroethaneDAILY MX <= 1 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]MO AVG <= 29 mg/L all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 20 lb/d (alert) all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantROLL AVG <= 120 MGD all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX <= .3 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
001TetrachloroetheneDAILY MX <= 2.2 lb/d (alert) all year
001TrichloroetheneDAILY MX <= 1 lb/d (alert) 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 <= 19000 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 31000 lb/d all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only 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
001Xylene [mix of m+o+p]DAILY MX <= 1.5 lb/d (alert) all year
001StyreneDAILY MX <= 1.5 lb/d (alert) all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, settleableDAILY MX <= 5 mL/L (alert) all year
002Oil & GreaseDAILY MX <= 40 mg/L all year
002Oil petroleum, total recoverableDAILY MX <= 15 mg/L all year
002Floating solids, waste or visible foam-visualNB report only all year
002Flow, in conduit or thru treatment plantMO TOTAL report only all year
002Flow, in conduit or thru treatment plantMO TOTAL report only all year
002Chlorine, total residualDAILY MX report only all year
002Number of EventsNB report only all year
002Coliform, fecal generalINST MAX <= 2400 #/100mL all year
002Oil and grease visualNB report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, settleableDAILY MX <= 5 mL/L all year
003Oil & GreaseDAILY MX <= 40 mg/L all year
003Oil petroleum, total recoverableDAILY MX <= 15 mg/L all year
003Floating solids, waste or visible foam-visualNB report only all year
003Flow, in conduit or thru treatment plantMO TOTAL report only all year
003Flow, in conduit or thru treatment plantMO TOTAL report only all year
003Chlorine, total residualDAILY MX report only all year
003Number of EventsNB report only all year
003Coliform, fecal generalINST MAX <= 2400 #/100mL all year
003Oil and grease visualNB report only all year
031Flow rateDAILY MX report only all year
031Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
035Flow rateDAILY MX report only all year
035Oxygen demand, chem. [high level] [COD]DAILY MX 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