Idaho lake levels today: Idaho lakes

10 of 10 Idaho lakes are below full pool today. Ririe Reservoir is the lowest for the date, Brownlee Reservoir the highest.

See every lake

Data as of November 4, 2026. Pictured: Ririe Reservoir.

Idaho at a glance

Pictured: Lake Pend Oreille, which is 9.2 ft below full today.

10 Idaho lakes trackedFederal reservoirs and lakes with a live agency gauge.
10 Below full poolOut of 10 with a published full pool; 0 are at or above it.
3 Lower than usual for the dateOut of 10 with five or more years of history; 1 are higher than usual.
6 Lower than a year agoOut of 9 lakes with a reading from the same date last year.

Every Idaho lake, lowest first

Measured against full pool, Ririe Reservoir is the emptiest Idaho lake today (41.1 ft below full) and Brownlee Reservoir the fullest (13.2 ft below full).

Compared with a year ago, Ririe Reservoir has dropped the most (17.1 ft lower) and Palisades Reservoir has gained the most (2.3 ft higher).

3 of 10 lakes are lower than usual for early November, measured against each lake's own past years on today's date.

Select a column heading to sort the table. Each lake links to its own page with a 12-month chart and the dock check.

Idaho lake levels. Select a column heading to sort.

Ririe Reservoir	5,064.87	−41.1 ft	0th pct	−17.00	−17.08
Dworshak Reservoir	1,514.51	−85.5 ft	7th pct	−3.28	+1.40
American Falls Reservoir	4,319.46	−35.0 ft	23rd pct	−4.94	−0.32
Lake Cascade	4,815.55	−12.5 ft	30th pct	−0.50	−0.84
Palisades Reservoir	5,521.89	−97.1 ft	33rd pct	−34.82	+2.25
Lucky Peak Lake	2,946.10	16.6%	33rd pct	−2.62	−0.64
Anderson Ranch Reservoir	4,150.07	−43.9 ft	43rd pct	−3.42	−3.36
Arrowrock Reservoir	3,140.62	−75.1 ft	53rd pct	+0.65	−3.64
Lake Pend Oreille	2,053.35	−9.2 ft	56th pct	+0.45	—
Brownlee Reservoir	2,060.84	−13.2 ft	90th pct	+5.72	+1.22

More Idaho lakes

American Falls Reservoir35.0 ft below full

Idaho lake questions

Which Idaho lake is the fullest right now?

Brownlee Reservoir: 13.2 ft below full.

Which Idaho lake is the lowest?

Measured against full pool, Ririe Reservoir (41.1 ft below full). Measured against its own normal for the date, Ririe Reservoir (much lower than usual).

How is this ranking made?

Lakes that publish storage are ranked by percent of conservation storage. The rest are placed by their distance from full pool. Natural lakes without a full pool sit at the end, compared only with their normal for the date.