CAYUGA OPERATING COMPANY, LLC

NPDES permit NY0001333 · Major NON-POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

2values over a limit
0required values missing, on 0 form(s)
7of 148 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (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 (114)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 36.7 deg C all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Temp. diff. between samp. & upstrm deg. CDAILY MX <= 10 deg C all year
001Temp. diff. between samp. & upstrm deg. CDAILY MX report only all year
001Flow rateDAILY MX <= 1.008 MGD all year
001Oil & GreaseDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001Solids, total dissolvedDAILY MX report only all year
002Flow rateDAILY MX report only all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
003Flow rateMO AVG report only all year
003Flow rateDAILY MX report only all year
003pHDAILY MN >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Chloride [as Cl]DAILY MX <= 1500 mg/L all year
003Aluminum, total [as Al]MO AVG <= 2 mg/L all year
003Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
003Chlorine, total residualDAILY MX <= .05 mg/L all year
003Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
003Mercury, total [as Hg]DAILY MX report only all year
005Flow rateMO AVG report only all year
005Flow rateDAILY MX report only all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
009Flow rateMO AVG report only all year
009Flow rateDAILY MX report only all year
009Solids, total suspendedDAILY MX <= 50 mg/L all year
013Flow rateMO AVG report only all year
013Flow rateDAILY MX report only all year
013pHMINIMUM >= 6.5 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspendedMO AVG report only all year
013Solids, total suspendedDAILY MX <= 20 mg/L all year
013Oil & GreaseMO AVG report only all year
013Oil & GreaseDAILY MX <= 15 mg/L all year
013Sulfate, total [as SO4]MO AVG report only all year
013Sulfate, total [as SO4]DAILY MX <= 2500 mg/L all year
013Arsenic, total [as As]MO AVG report only all year
013Arsenic, total [as As]DAILY MX <= .15 mg/L all year
013Boron, total [as B]MO AVG report only all year
013Boron, total [as B]DAILY MX report only all year
013Cadmium, total [as Cd]DAILY MX <= 16 ug/L all year
013Iron, total [as Fe]MO AVG report only all year
013Iron, total [as Fe]DAILY MX <= 3 mg/L all year
013Manganese, total [as Mn]MO AVG report only all year
013Manganese, total [as Mn]DAILY MX <= 1 mg/L all year
013Nickel, total recoverableMO AVG report only all year
013Nickel, total recoverableDAILY MX <= .76 mg/L all year
013Zinc, total recoverableMO AVG report only all year
013Zinc, total recoverableDAILY MX <= .3 mg/L all year
013Aluminum, total [as Al]MO AVG report only all year
013Aluminum, total [as Al]DAILY MX <= 2 mg/L all year
013Selenium, total [as Se]DAILY MX report only all year
013Total phenolsDAILY MX report only all year
013PhenolDAILY MX report only all year
013Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 3 tox acute (alert) all year
013Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 10 tox chronic (alert) all year
013Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 3 tox acute (alert) all year
013Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 10 tox chronic (alert) all year
013Solids, total dissolvedMO AVG report only all year
013Solids, total dissolvedDAILY MX <= 5000 mg/L all year
013Mercury, total [as Hg]ROLL AVG <= 9.2 ng/L all year
013Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
013Duration of dischargeDAILY MX report only all year
014Flow rateDAILY MX report only all year
01AFlow rateMO AVG <= 3500 gal/d all year
01ABOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
01ABOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
01ApHMINIMUM >= 6 SU all year
01ApHMAXIMUM <= 9 SU all year
01ASolids, total suspendedMO AVG <= 30 mg/L all year
01ASolids, total suspended7F <= 45 mg/L all year
01ASolids, settleableDAILY MX <= .3 mL/L all year
01ANitrogen, ammonia total [as N]DAILY MX report only all year
01AChlorine, total residualDAILY MX report only all year
01AColiform, fecal general30DA GEO <= 200 #/100mL all year
01AColiform, fecal general7 DA GEO <= 400 #/100mL all year
05AFlow rateMO AVG report only all year
05AFlow rateDAILY MX report only all year
05ApHDAILY MN >= 6 SU all year
05ApHDAILY MX <= 9 SU all year
05AOil & GreaseDAILY MX report only all year
05ANitrogen, ammonia total [as N]DAILY MX <= 4.1 mg/L (alert) all year
05AMagnesium, total [as Mg]DAILY MX report only all year
05AArsenic, total [as As]MO AVG <= .05 mg/L all year
05AArsenic, total [as As]DAILY MX <= .1 mg/L all year
05AChromium, total [as Cr]MO AVG report only all year
05AChromium, total [as Cr]DAILY MX <= .5 mg/L all year
05ACopper, total [as Cu]MO AVG report only all year
05ACopper, total [as Cu]DAILY MX <= .14 mg/L all year
05AIron, total [as Fe]MO AVG <= 2 mg/L all year
05AIron, total [as Fe]DAILY MX <= 3 mg/L all year
05ALead, total [as Pb]MO AVG report only all year
05ALead, total [as Pb]DAILY MX <= 85 ug/L all year
05ANickel, total [as Ni]MO AVG report only all year
05ANickel, total [as Ni]DAILY MX <= .76 mg/L all year
05AZinc, total [as Zn]MO AVG <= .5 mg/L all year
05AZinc, total [as Zn]DAILY MX <= 1 mg/L all year
05AAluminum, total [as Al]MO AVG <= 2 mg/L all year
05AAluminum, total [as Al]DAILY MX <= 4 mg/L all year
05AToxicity [acute], Ceriodaphnia dubiaDAILY MX <= 3 tox acute (alert) all year
05AToxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 10 tox chronic (alert) all year
05AToxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 3 tox acute (alert) all year
05AToxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 10 tox chronic (alert) all year
05ASolids, total dissolvedDAILY MX report only all year
05AMercury, total [as Hg]ROLL AVG <= 3 ng/L all year
05AMercury, total [as Hg]DAILY MX <= 50 ng/L all year
05AMercury, total [as Hg]ROLL AVG report only all year
05AMercury, total [as Hg]DAILY MX report only all year
05ABoron, totalMO AVG report only all year
05ABoron, totalDAILY MX report only all year

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