NATIONAL GRID GENERATION, LLC

NPDES permit NY0005932 · Minor NON-POTW · administratively continued, expires 2022-07-31 · 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 2022-07-31 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

1values over a limit
0required values missing, on 0 form(s)
0of 152 forms filed late

Last period with anything received: 2026-07-31. Most often over: Temp. diff. between intake and discharge (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 (91)

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 & GreaseDAILY MX <= 15 mg/L all year
005Flow rateDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
007Flow rateDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedDAILY MX <= 50 mg/L all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
008Flow rateDAILY MX report only all year
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX <= 50 mg/L all year
008Oil & GreaseDAILY MX <= 15 mg/L all year
008Cyanide, total [as CN]DAILY MX <= .01 mg/L all year
008Chromium, total [as Cr]MAXIMUM <= .2 mg/L (alert) all year
008Copper, total [as Cu]DAILY MX <= .05 mg/L all year
009Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
009Flow rateDAILY AV report only all year
009Flow rateDAILY MX report only all year
009Waste heat rejection rateDAILY MX <= 2800 MBTU/hr all year
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Chlorine, total residualDAILY MX <= .13 mg/L all year
009Temp. diff. between intake and dischargeDAILY MX <= 30 deg F all year
025Flow rateDAILY AV report only all year
025Flow rateDAILY MX report only all year
025pHMINIMUM >= 6 SU all year
025pHMAXIMUM <= 9 SU all year
025Solids, total suspendedDAILY AV <= 30 mg/L all year
025Solids, total suspendedDAILY MX <= 50 mg/L all year
025Oil & GreaseDAILY MX <= 15 mg/L all year
025Nitrogen, ammonia total [as N]DAILY MX report only all year
025Chromium, total [as Cr]DAILY MX <= .5 mg/L all year
025Copper, total [as Cu]DAILY MX <= .5 mg/L all year
025Iron, total [as Fe]DAILY MX <= 1 mg/L all year
025Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
025Nickel, total [as Ni]DAILY MX <= 2 mg/L all year
025Vanadium, total [as V]MO AVG <= 10 mg/L all year
025Vanadium, total [as V]DAILY MX <= 15 mg/L all year
025Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
025TolueneDAILY MX <= 50 ug/L all year
025BenzeneDAILY MX <= 50 ug/L all year
025EthylbenzeneDAILY MX <= 50 ug/L all year
025Xylene [mix of m+o+p]DAILY MX <= 50 ug/L all year
025pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
025pH range excursions, monthly total accumMO TOTAL <= 446 min all year
026Flow rateDAILY MX report only all year
026Oil & GreaseDAILY MX <= 15 mg/L all year
026TolueneDAILY MX <= 5 ug/L all year
026BenzeneDAILY MX <= .8 ug/L all year
026EthylbenzeneDAILY MX <= 5 ug/L all year
026ortho-xyleneDAILY MX <= 5 ug/L all year
026Xylene, meta & para in combinationDAILY MX <= 10 ug/L all year
027Flow rateDAILY MX report only all year
027Oil & GreaseDAILY MX <= 15 mg/L all year
027TolueneDAILY MX <= 5 ug/L all year
027BenzeneDAILY MX <= .8 ug/L all year
027EthylbenzeneDAILY MX <= 5 ug/L all year
027ortho-xyleneDAILY MX <= 5 ug/L all year
027Xylene, meta & para in combinationDAILY MX <= 10 ug/L all year
032Flow rateDAILY MX report only all year
032pHMINIMUM >= 6.5 SU all year
032pHMAXIMUM <= 8.5 SU all year
032Oil & GreaseDAILY MX <= 15 mg/L all year
033Flow rateDAILY MX report only all year
033pHMINIMUM >= 6.5 SU all year
033pHMAXIMUM <= 8.5 SU all year
033Oil & GreaseDAILY MX <= 15 mg/L all year
07AFlow rateDAILY MX report only all year
07ApHMINIMUM >= 6 SU all year
07ApHMAXIMUM <= 9 SU all year
07AOil & GreaseDAILY MX <= 15 mg/L all year
07AIron, total recoverableDAILY MX <= 3 mg/L all year
07BFlow rateDAILY MX report only all year
07BOil & GreaseDAILY MX <= 15 mg/L all year
07CFlow rateDAILY MX report only all year
07COil & GreaseDAILY MX <= 15 mg/L all year
TTWFlow rateDAILY MX report only all year
TTWOil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
TTWTolueneDAILY MX <= 20 ug/L all year
TTWBenzeneDAILY MX <= 20 ug/L all year
TTWEthylbenzeneDAILY MX <= 20 ug/L all year
TTWChlorine, total residualDAILY MX <= .1 mg/L all year
TTWXylene [mix of m+o+p]DAILY MX <= 20 ug/L 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