RIVER GAUGE · EASTERN IDAHO RESERVOIRS
Eastern Idaho Reservoirs at Island Park
Fremont County, Idaho
Water level6275.77 ft
Flow—
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action6303.5 ft
The past week
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Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 15, 1971 | 6304.1 ft | -9,999 cfs |
More on Eastern Idaho Reservoirs
DownstreamHenrys Fork near Island Park ↗
Eastern Idaho Reservoirs at American Falls
Eastern Idaho Reservoirs at Henrys Lake
Eastern Idaho Reservoirs at Little Wood Reservoir
Eastern Idaho Reservoirs at Mackay Dam
Eastern Idaho Reservoirs at Magic Dam
Eastern Idaho Reservoirs at Minidoka Dam
Eastern Idaho Reservoirs at Palisades
Eastern Idaho Reservoirs at Ririe Dam
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