KEYMARK CORPORATION

NPDES permit NY0072451 · Major NON-POTW · effective, expires 2031-01-31 · 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.

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

1values 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: Chromium, total [as Cr] (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 (56)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Flow rateDAILY MX report only all year
001pHDAILY MN >= 7 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG <= 29 lb/d all year
001Solids, total suspendedDAILY MX <= 61 lb/d all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseMO AVG <= 18 lb/d all year
001Oil & GreaseDAILY MX <= 30 lb/d all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]MO AVG <= .18 lb/d all year
001Cyanide, total [as CN]DAILY MX <= .44 lb/d all year
001Sulfite [as SO3]DAILY MX <= 20 mg/L (alert) all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY MX <= .05 lb/d all year
001Chromium, total [as Cr]DAILY MX report only all year
001Chromium, total [as Cr]MO AVG <= .27 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .66 lb/d all year
001Zinc, total [as Zn]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG <= .91 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 2.2 lb/d all year
001Aluminum, total [as Al]DAILY MX report only all year
001Aluminum, total [as Al]MO AVG <= 4.8 lb/d all year
001Aluminum, total [as Al]DAILY MX <= 10 lb/d all year
001Mercury, total [as Hg]DAILY MX <= 50 ng/L all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Flow rateDAILY MX report only all year
002pHDAILY MN >= 7 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG <= 30 lb/d all year
002Solids, total suspendedDAILY MX <= 63 lb/d all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Oil & GreaseMO AVG <= 18 lb/d all year
002Oil & GreaseDAILY MX <= 31 lb/d all year
002Cyanide, total [as CN]DAILY MX report only all year
002Cyanide, total [as CN]MO AVG <= .19 lb/d all year
002Cyanide, total [as CN]DAILY MX <= .45 lb/d all year
002Fluoride, total [as F]DAILY MX report only all year
002Fluoride, total [as F]DAILY MX <= 29 lb/d all year
002Chromium, total [as Cr]DAILY MX report only all year
002Chromium, total [as Cr]MO AVG <= .28 lb/d all year
002Chromium, total [as Cr]DAILY MX <= .68 lb/d all year
002Nickel, total [as Ni]DAILY MX report only all year
002Nickel, total [as Ni]DAILY MX <= 5.45 lb/d all year
002Zinc, total [as Zn]DAILY MX report only all year
002Zinc, total [as Zn]MO AVG <= .94 lb/d all year
002Zinc, total [as Zn]DAILY MX <= 2.2 lb/d all year
002Aluminum, total [as Al]DAILY MX report only all year
002Aluminum, total [as Al]MO AVG <= 4.9 lb/d all year
002Aluminum, total [as Al]DAILY MX <= 9.9 lb/d all year
002Methylene chlorideDAILY MX <= .05 mg/L all year
002Mercury, total [as Hg]DAILY MX 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