NATIONAL GRID GENERATION, LLC

NPDES permit NY0005908 · Major NON-POTW · administratively continued, expires 2009-12-01 · 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 2009-12-01 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

1values over a limit
0required values missing, on 0 form(s)
0of 95 forms filed late

Last period with anything received: 2026-07-31. Most often over: Iron, total [as Fe] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NY permits in EPA's filings — check your permit).

Limits in force (101)

OutfallParameterStatisticLimitMonths
002Flow rateDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
003Flow rateDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX <= 50 mg/L all year
003Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
004Flow rateDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX <= 50 mg/L all year
004Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
005Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
005Thermal DischargeDAILY MX <= 2440 MBTU/hr all year
005Flow rateMO AVG report only all year
005Flow rateDAILY AV report only all year
005Flow rateDAILY MX report only all year
005Flow rateDAILY MX report only all year
005Flow rateDAILY MX report only all year
005Flow rateDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMINIMUM >= 6 SU all year
005pHMINIMUM >= 6 SU all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005pHMAXIMUM <= 9 SU all year
005pHMAXIMUM <= 9 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
005Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
005Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Nitrogen, ammonia total [as N]DAILY MX <= 2 mg/L all year
005Chromium, total [as Cr]DAILY MX <= 1 mg/L all year
005Chromium, total [as Cr]DAILY MX <= .5 mg/L all year
005Copper, total [as Cu]DAILY MX <= 1 mg/L all year
005Copper, total [as Cu]DAILY MX <= .5 mg/L all year
005Iron, total [as Fe]DAILY MX <= 1 mg/L all year
005Nickel, total [as Ni]DAILY MX <= 2 mg/L all year
005Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualDAILY MX <= .1 mg/L all year
005Chlorine, total residualDAILY MX <= .2 mg/L all year
005Temp. diff. between intake and dischargeDAILY MX <= 30 deg F all year
006Flow rateDAILY MX report only all year
006pHMINIMUM >= 6 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX <= 50 mg/L all year
006Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
055Flow rateMO AVG report only all year
055Flow rateDAILY AV report only all year
055Flow rateMO AVG report only all year
055Flow rateDAILY MX report only all year
055Flow rateDAILY MX report only all year
055Flow rateDAILY MX report only all year
055Oil & GreaseDAILY MX <= 15 mg/L all year
055Oil & GreaseDAILY MX <= 15 mg/L all year
055TolueneDAILY MX <= 5 ug/L all year
055TolueneDAILY MX <= 5 ug/L all year
055BenzeneDAILY MX <= .8 ug/L all year
055BenzeneDAILY MX <= .8 ug/L all year
055EthylbenzeneDAILY MX <= 5 ug/L all year
055EthylbenzeneDAILY MX <= 5 ug/L all year
055NaphthaleneDAILY MX <= 10 ug/L all year
055NaphthaleneDAILY MX <= 10 ug/L all year
055ortho-xyleneDAILY MX <= 5 ug/L all year
055ortho-xyleneDAILY MX <= 5 ug/L all year
055Xylene, meta & para in combinationDAILY MX <= 10 ug/L all year
055Xylene, meta & para in combinationDAILY MX <= 10 ug/L all year
056Flow rateDAILY AV report only all year
056Flow rateDAILY MX report only all year
056Oil & GreaseDAILY AV <= 15 mg/L all year
056TolueneDAILY AV <= 5 ug/L all year
056BenzeneDAILY AV <= .7 ug/L all year
056BenzeneDAILY MX <= .8 ug/L all year
056EthylbenzeneDAILY AV <= 5 ug/L all year
056ortho-xyleneDAILY AV <= 5 ug/L all year
056Xylene, meta & para in combinationDAILY AV <= 10 ug/L all year
GWMpHMINIMUM report only all year
GWMpHMAXIMUM report only all year
GWMChromium, hexavalent [as Cr]ANNL MAX report only all year
GWMCopper, total [as Cu]ANNL MAX report only all year
GWMIron, total [as Fe]ANNL MAX report only all year
GWMLead, total [as Pb]ANNL MAX report only all year
GWMManganese, total [as Mn]ANNL MAX report only all year
GWMNickel, total recoverableANNL MAX report only all year
GWMVanadium, total [as V]ANNL MAX report only all year
GWMZinc, total [as Zn]ANNL MAX report only 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