YORKTOWN (T)

NPDES permit NY0026743 · Major POTW · administratively continued, expires 2020-10-31 · 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 2020-10-31 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

4values over a limit
77required values missing, on 2 form(s)
10of 10 forms filed late

Last period with anything received: 2026-06-30. Most often over: Turbidity, time above limit (2), Turbidity (2).

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 (43)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX <= 70 deg F (alert) all year
001TurbidityINST MAX <= 5 NTU all year
001Oxygen demand, ultimateDAILY MX <= 25 mg/L Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateDAILY MX <= 325 lb/d Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN >= 7 mg/L Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 10 mg/L all year
001Solids, total suspended7 DA AVG <= 15 mg/L all year
001Solids, total suspendedMO AVG <= 130 lb/d all year
001Solids, total suspended7 DA AVG <= 190 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= .2 mg/L all year
001Phosphorus, total [as P]MO AVG <= 26 lb/d all year
001Copper, total [as Cu]DAILY MX <= 19.2 ug/L all year
001Copper, total [as Cu]DAILY MX <= .25 lb/d all year
001Lead, total [as Pb]DAILY MX <= 7.7 ug/L all year
001Lead, total [as Pb]DAILY MX <= .1 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 77 ug/L all year
001Nickel, total [as Ni]DAILY MX <= 1 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 177 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 2.3 lb/d all year
001Nitrogen, ammonia, total [as NH3]MO AVG <= 1.4 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG <= 2.9 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia, total [as NH3]MO AVG <= 18.2 lb/d Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG <= 37.7 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
001Flow, in conduit or thru treatment plant1D <= 1.5 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 40 ug/L all year
001Chlorine, total residualMINIMUM >= .2 mg/L all year
001Turbidity, time above limitMAXIMUM <= 2160 min 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 <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 130 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 190 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