WESTCHESTER CO DEPT ENV FAC

NPDES permit NY0100803 · Major POTW · administratively continued, expires 2017-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2017-11-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

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

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 (66)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN 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 suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 2500 lb/d all year
001Solids, total suspended7 DA AVG <= 3800 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, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only 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, nitrate total [as N]DAILY MX report only all year
001Nitrogen, nitrate 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
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX <= 4.8 lb/d all year
001Nickel, total [as Ni]DAILY MX report only (alert) all year
001Nickel, total [as Ni]DAILY MX <= 2.5 lb/d (alert) all year
001Zinc, total [as Zn]DAILY MX report only (alert) all year
001Zinc, total [as Zn]DAILY MX <= 3.4 lb/d (alert) all year
001ChloroformDAILY MX report only (alert) all year
001ChloroformDAILY MX <= .3 lb/d (alert) all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia, total [as NH3]DAILY MX <= 28 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia, total [as NH3]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 10 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualDAILY MX <= .16 mg/L May, Jun, Jul, Aug, Sep, Oct
001Phosphorous, in total orthophosphateDAILY MX report only all year
001Phosphorous, in total orthophosphateDAILY MX report only all year
001Phosphorous, in total orthophosphateDAILY MX report only all year
001Phosphorous, in total orthophosphateDAILY MX report only all year
001Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
001Mercury, total [as Hg]DAILY MX report only 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, 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 <= 2100 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 3300 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX 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