RENSSELAER COUNTY SD NO.1

NPDES permit NY0087971 · Major POTW · effective, expires 2030-05-31 · 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.

EPA's record, 2025-09-01 to 2026-08-31

6values over a limit
2required values missing, on 2 form(s)
3of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (4), Solids, settleable (1), Flow, in conduit or thru treatment plant (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 (31)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 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 <= 6000 lb/d all year
001Solids, total suspended7 DA AVG <= 9000 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, Kjeldahl, total [as N]MO AVG <= 16 mg/L Jun, Jul, Aug, Sep, Oct
001Lead, total [as Pb]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX <= 2.5 lb/d all year
001Zinc, total [as Zn]DAILY MX report only (alert) all year
001Zinc, total [as Zn]DAILY MX <= 23 lb/d (alert) all year
001Flow, in conduit or thru treatment plantMO AVG <= 24 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .6 mg/L May, Jun, Jul, Aug, Sep, Oct
001Mercury, total [as Hg]ROLL AVG <= 12 ng/L 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 <= 5000 lb/d all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 8000 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