DELHI (V)

NPDES permit NY0020265 · Major POTW · administratively continued, expires 2018-03-31 · 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 2018-03-31 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

5values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (3), Carbonaceous oxygen demand, % removal (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 (49)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Temperature, water deg. fahrenheitDAILY MX <= 70 deg F (alert) May, Jun, Jul, Aug, Sep, Oct
001TurbidityINST MAX <= 5 NTU all year
001Oxygen demand, ultimateMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN report only May, 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 <= 85 lb/d all year
001Solids, total suspended7 DA AVG <= 130 lb/d all year
001Solids, total suspendedMO AVG report only 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 May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]MO AVG <= .11 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= .93 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Nitrogen, ammonia, total [as NH3]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]DAILY MX <= 7.7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]DAILY MX <= 65 lb/d May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG <= 1 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX <= 100 ug/L all year
001Chlorine, total residualDAILY MX <= 32 ug/L all year
001Chlorine, total residualDAILY MX <= .85 lb/d all year
001Chlorine, total residualDAILY MX <= .27 lb/d all year
001Chlorine, total residualMINIMUM >= .2 mg/L all year
001Turbidity, time above limitMAXIMUM <= 2160 min 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]7 DA AVG <= 40 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 210 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 330 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG 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

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