Big Lost River below Mackay Reservoir, near Mackay, ID

CUSTER COUNTY, ID43.9392°N, -113.6483°W Updated 50 min ago

FLOW RATE

433cfs

GAUGE HT

2.64ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

433cfs 23.7% vs avg

Optimal band: 372–504 cfs

PERIOD HIGH

448cfs

PERIOD LOW

433cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

2.64ft

Precipitation History

Your History · Big Lost River below Mackay Reservoir, near Mackay, ID

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43.9392, -113.6483

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 11:45 UTC

Site #13127000·USGS

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