NRG HUNTLEY POWER LLC

NPDES permit NY0203483 · Minor NON-POTW · administratively continued, expires 2026-04-30 · 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 2026-04-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 44 forms filed late

Last period with anything received: 2026-07-31.

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 (40)

OutfallParameterStatisticLimitMonths
001Flow rateDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Barium, total [as Ba]DAILY MX <= 4 mg/L all year
001Copper, total [as Cu]DAILY MX <= 1 mg/L all year
001Iron, total [as Fe]DAILY MX <= 4 mg/L all year
001Molybdenum, total [as Mo]DAILY MX <= 20 mg/L all year
001Nickel, total [as Ni]DAILY MX <= 1.3 mg/L all year
001Silver, total [as Ag]DAILY MX <= .1 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .4 mg/L all year
001Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
001Phenolics, total recoverableDAILY MX report only all year
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
002Barium, total [as Ba]DAILY MX <= 4 mg/L all year
002Copper, total [as Cu]DAILY MX <= 1 mg/L all year
002Iron, total [as Fe]DAILY MX <= 4 mg/L all year
002Molybdenum, total [as Mo]DAILY MX <= 20 mg/L all year
002Nickel, total [as Ni]DAILY MX <= 1.3 mg/L all year
002Silver, total [as Ag]DAILY MX <= .1 mg/L all year
002Zinc, total [as Zn]DAILY MX <= .4 mg/L all year
002Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
002Phenolics, total recoverableDAILY MX report only 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
003Barium, total [as Ba]DAILY MX <= 4 mg/L all year
003Copper, total [as Cu]DAILY MX <= 1 mg/L all year
003Iron, total [as Fe]DAILY MX <= 4 mg/L all year
003Molybdenum, total [as Mo]DAILY MX <= 20 mg/L all year
003Nickel, total [as Ni]DAILY MX <= 1.3 mg/L all year
003Silver, total [as Ag]DAILY MX <= .1 mg/L all year
003Zinc, total [as Zn]DAILY MX <= .4 mg/L all year
003Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
003Phenolics, total recoverableDAILY MX report only all year
SUMPhenolics, total recoverableDAILY MX <= .1 mg/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