Michael Eckert - Northern Star Resources Ltd.

NPDES permit AK0053341 · Major NON-POTW · effective, expires 2028-10-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 42 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among AK permits in EPA's filings — check your permit).

Limits in force (81)

OutfallParameterStatisticLimitMonths
001TurbidityMO AVG report only all year
001TurbidityDAILY MX report only all year
001TurbidityMO AVG report only all year
001TurbidityDAILY MX report only all year
001TurbidityMO AVG report only all year
001TurbidityDAILY MX <= 5 NTU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Cyanide, weak acid, dissociableMO AVG <= 3.3 ug/L all year
001Cyanide, weak acid, dissociableDAILY MX <= 9.5 ug/L all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Zinc, total recoverableMO AVG <= 46 ug/L all year
001Zinc, total recoverableDAILY MX <= 61 ug/L all year
001Cadmium, total recoverableMO AVG <= .1 ug/L all year
001Cadmium, total recoverableDAILY MX <= .3 ug/L all year
001Lead, total recoverableMO AVG <= .7 ug/L all year
001Lead, total recoverableDAILY MX <= 2.1 ug/L all year
001Copper, total recoverableMO AVG <= 3.5 ug/L all year
001Copper, total recoverableDAILY MX <= 6.6 ug/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 16500 gal/min all year
001Toxicity, final conc toxicity unitsMO AVG report only all year
001Toxicity, final conc toxicity unitsDAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Oxygen, dissolved [DO]MINIMUM >= 2 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 60 mg/L all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Nitrogen, nitrate total [as N]MO AVG <= 80 mg/L all year
002Nitrogen, nitrate total [as N]DAILY MX <= 160 mg/L all year
002Arsenic, total recoverableMO AVG report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Cadmium, total recoverableMO AVG report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Lead, total recoverableMO MAX report only all year
002Lead, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Manganese, total recoverableMO AVG report only all year
002Manganese, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX <= 72000 gal/d all year
002Mercury, total recoverableMO AVG report only all year
002Mercury, total recoverableDAILY MX report only all year
002Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
011pHMINIMUM >= 6 SU all year
011pHMAXIMUM <= 9 SU all year
011Solids, total suspendedMO AVG <= 20 mg/L all year
011Solids, total suspendedDAILY MX <= 30 mg/L all year
011Cyanide, weak acid, dissociableMO AVG report only all year
011Cyanide, weak acid, dissociableDAILY MX report only all year
011Hardness, total [as CaCO3]MO AVG report only all year
011Hardness, total [as CaCO3]DAILY MX report only all year
011Iron, total recoverableMO AVG <= 817 ug/L all year
011Iron, total recoverableDAILY MX <= 1639 ug/L all year
011Zinc, total recoverableMO AVG <= 750 ug/L all year
011Zinc, total recoverableDAILY MX <= 1500 ug/L all year
011Cadmium, total recoverableMO AVG <= 50 ug/L all year
011Cadmium, total recoverableDAILY MX <= 100 ug/L all year
011Lead, total recoverableMO AVG <= 300 ug/L all year
011Lead, total recoverableDAILY MX <= 600 ug/L all year
011Copper, total recoverableMO AVG <= 150 ug/L all year
011Copper, total recoverableDAILY MX <= 300 ug/L all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX <= 1500 gal/min all year
011Mercury, total [as Hg]MO AVG <= 1 ug/L all year
011Mercury, total [as Hg]DAILY MX <= 2 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