OSWEGO (C)

NPDES permit NY0029114 · Major POTW · administratively continued, expires 2019-10-31 · 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 2019-10-31 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

3values over a limit
0required values missing, on 0 form(s)
0of 26 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chlorine, total residual (2), Oxygen, dissolved [DO] (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 (60)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 2 mg/L all year
001BOD, 5-day, 20 deg. C3F <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7G <= 45 mg/L all year
001BOD, 5-day, 20 deg. C3F <= 1339 lb/d all year
001BOD, 5-day, 20 deg. C7G <= 2008 lb/d all year
001BOD, 5-day, 20 deg. C3F report only all year
001BOD, 5-day, 20 deg. C7G 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 suspended3F <= 30 mg/L all year
001Solids, total suspended7G <= 45 mg/L all year
001Solids, total suspended3F <= 1339 lb/d all year
001Solids, total suspended7G <= 2008 lb/d all year
001Solids, total suspended3F report only all year
001Solids, total suspended7G report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Solids, settleableDAILY MX report only all year
001Phosphorus, total [as P]3B <= 1 mg/L all year
001Phosphorus, total [as P]3F report only all year
001Cyanide, total [as CN]DAILY MX <= 2.3 lb/d all year
001Nickel, total recoverableDAILY MX <= 31.69 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 4.36 lb/d all year
001Lead, total recoverableDAILY MX <= 3.17 lb/d all year
001Copper, total recoverableDAILY MX <= 5.69 lb/d all year
001Nitrogen, ammonia, total [as NH3]DAILY MX <= 22 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia, total [as NH3]DAILY MX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001PhenolsDAILY AV <= .4 lb/d all year
001PhenolsMO AVG <= .4 lb/d all year
001Flow, in conduit or thru treatment plant1D <= 5.35 MGD all year
001Flow, in conduit or thru treatment plant1D <= 5.35 MGD all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001Chlorine, total residualDAILY MX <= .05 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
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002Oxygen, dissolved [DO]DAILY MN >= 2 mg/L all year
002BOD, 5-day, 20 deg. C3F report only all year
002BOD, 5-day, 20 deg. C3F report only all year
002BOD, 5-day, 20 deg. C3F report only all year
002Solids, total suspended3F report only all year
002Solids, total suspended3F report only all year
002Solids, total suspended3F report only all year
002Solids, settleableDAILY MX <= .8 mL/L all year
002Solids, settleableDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Floating solids, waste or visible foam-visualNB report only all year
002Flow, in conduit or thru treatment plant3F report only all year
002Flow, in conduit or thru treatment plant3F report only all year
002Chlorine, total residualDAILY MX <= .25 mg/L all year
002Chlorine, total residualDAILY MX <= .05 mg/L all year
002Coliform, fecal general30DA GEO <= 200 #/100mL all year
002Coliform, fecal general7 DA GEO <= 400 #/100mL 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