KLONDEX HOLDINGS USA INC

NPDES permit NV0024171 · Major NON-POTW · effective, expires 2028-06-30 · 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.

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

0values over a limit
108required values missing, on 11 form(s)
0of 25 forms filed late

Last period with anything received: 2026-06-30.

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 (112)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 34 deg C all year
001Temperature, water deg. centigradeDAILY MX <= 34 deg C all year
001Flow rate30DA AVG <= 1.584 MGD all year
001Flow rate30DA AVG <= 1.584 MGD all year
001Flow rateDAILY MX <= 1.584 MGD all year
001Flow rateDAILY MX <= 1.584 MGD all year
001TurbidityDAILY MX <= 50 NTU all year
001TurbidityDAILY MX <= 50 NTU all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001Solids, total suspendedDAILY MX <= 80 mg/L all year
001Solids, total suspendedDAILY MX <= 80 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrite total [as N]DAILY MX report only all year
001Nitrogen, nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX <= .1 mg/L all year
001Phosphorus, total [as P]DAILY MX <= .1 mg/L all year
001Cyanide, total [as CN]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Sulfide, total [as S]DAILY MX <= 2 ug/L all year
001Sulfide, total [as S]DAILY MX <= 2 ug/L all year
001Chloride [as Cl]30DA AVG <= 230 mg/L all year
001Chloride [as Cl]30DA AVG <= 230 mg/L all year
001Chloride [as Cl]DAILY MX <= 860 mg/L all year
001Chloride [as Cl]DAILY MX <= 860 mg/L all year
001Fluoride, total [as F]DAILY MX <= 1000 ug/L all year
001Fluoride, total [as F]DAILY MX <= 1000 ug/L all year
001Arsenic, total recoverableDAILY MX <= .15 mg/L all year
001Arsenic, total recoverableDAILY MX <= .15 mg/L all year
001Iron, total recoverableDAILY MX <= 1 mg/L all year
001Iron, total recoverableDAILY MX <= 1 mg/L all year
001Selenium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Boron, total recoverableDAILY MX <= 750 ug/L all year
001Boron, total recoverableDAILY MX <= 750 ug/L all year
001Cadmium, dissolved [as Cd]DAILY MX <= .001 mg/L all year
001Cadmium, dissolved [as Cd]DAILY MX <= .001 mg/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 11 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 11 ug/L all year
001Chromium, trivalent [as Cr]DAILY MX <= 130.2 ug/L all year
001Chromium, trivalent [as Cr]DAILY MX <= 130.2 ug/L all year
001Copper, dissolved [as Cu]DAILY MX <= .016 mg/L all year
001Copper, dissolved [as Cu]DAILY MX <= .016 mg/L all year
001Lead, dissolved [as Pb]DAILY MX <= .005 mg/L all year
001Lead, dissolved [as Pb]DAILY MX <= .005 mg/L all year
001Nickel, total recoverableDAILY MX <= 93 ug/L all year
001Nickel, total recoverableDAILY MX <= 93 ug/L all year
001Silver total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, dissolved [as Zn]DAILY MX <= .212 mg/L all year
001Zinc, dissolved [as Zn]DAILY MX <= .212 mg/L all year
001Chromium, total recoverableDAILY MX <= 100 ug/L all year
001Chromium, total recoverableDAILY MX <= 100 ug/L all year
001Molybdenum, total recoverableDAILY MX <= 1650 ug/L all year
001Molybdenum, total recoverableDAILY MX <= 1650 ug/L all year
001TributyltinDAILY MX report only all year
001TributyltinDAILY MX report only all year
001Manganese, total recoverableDAILY MX <= .2 mg/L all year
001AcroleinDAILY MX report only all year
001.beta.-EndosulfanDAILY MX report only all year
001.beta.-EndosulfanDAILY MX report only all year
001.alpha.-EndosulfanDAILY MX report only all year
001.alpha.-EndosulfanDAILY MX report only all year
001ChlorpyrifosDAILY MX report only all year
001PentachlorophenolDAILY MX report only all year
001PentachlorophenolDAILY MX report only all year
0014,4'-DDTDAILY MX report only all year
0014,4'-DDTDAILY MX report only all year
001AldrinDAILY MX report only all year
001AldrinDAILY MX report only all year
001Chlordane [tech mix. and metabolites]DAILY MX report only all year
001DieldrinDAILY MX report only all year
001DieldrinDAILY MX report only all year
001EndrinDAILY MX report only all year
001EndrinDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001ToxapheneDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001HeptachlorDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001Heptachlor epoxideDAILY MX report only all year
001MethoxychlorDAILY MX report only all year
001MethoxychlorDAILY MX report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001Polychlorinated biphenyls [PCBs]DAILY MX report only all year
001MalathionDAILY MX report only all year
001MalathionDAILY MX report only all year
001ParathionDAILY MX report only all year
001ParathionDAILY MX report only all year
001DemetonDAILY MX report only all year
001DemetonDAILY MX report only all year
001DiazinonDAILY MX report only all year
001MirexDAILY MX report only all year
001MirexDAILY MX report only all year
001LindaneDAILY MX report only all year
001LindaneDAILY MX report only all year
001NonylphenolDAILY MX report only all year
001NonylphenolDAILY MX report only all year
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
001Solids, total dissolvedDAILY MX <= 3000 mg/L all year
001Solids, total dissolvedDAILY MX <= 3000 mg/L all year
001Mercury, dissolved [as Hg]DAILY MX <= .0008 mg/L all year
001Mercury, dissolved [as Hg]DAILY MX <= .0008 mg/L all year
001Azinphos-methylDAILY MX report only all year
001Azinphos-methylDAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Hardness, total [as CaCO3]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