Lucky Peak Lake

As of September 30, 2026, Lucky Peak Lake is filled to 14.8% of its total capacity, holding roughly 54 hm³ of water out of a maximum 362 hm³. At this level the reservoir is critically low.

Over the most recent week on record the fill level has fallen by 2.9 percentage points, and it is 5.2 points below its level on the same date a year earlier.

Across the readings we hold for Lucky Peak Lake — 2193 data points between October 2, 2021 and September 30, 2026 — the level has ranged from a low of 8.0% (October 17, 2023) to a high of 90.1% (June 24, 2024). On average the reservoir is fullest around July and at its lowest around October.

It is operated by BOR primarily for multiple purposes. It lies within the Idaho basin at 43.528°N, 116.053°W.