States

Anderson Ranch Reservoir

Idaho · Reclamation gauge
4,1504,1604,1704,1804,1904,200
Grey bar: 12-month range 4,150.3–4,196.1 ft.
Water level · NGVD29
4,150.32FT
Storage 229,832 acre-feet
The source publishes no % full figure.
7 days −0.29 ft30 days −1.88 ft
Reading for Oct 24, 2026 · page refreshed Oct 25, 21:16 UTC
Source: U.S. Bureau of Reclamation (RISE)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind7 mph
Rain0%
Temp58°F
Level4,150.3 ft
This AfternoonSunny · 58°F
ESE 7 mph · rain 0%
TonightMostly Cloudy · 35°F
E 3 to 7 mph · rain 8%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

4,1504,1514,152ftSep 24Oct 2Oct 9Oct 16Oct 24
4,1504,1514,152ftSep 24Oct 9Oct 24
4,1604,1804,200ftJan 2026Mar 2026Jun 2026Aug 2026Oct 2026
4,1604,1804,200ftJan 2026Jun 2026Oct 2026

Field notes

Anderson Ranch Reservoir's latest daily level (Oct 24, 2026) is 4,150.32 (NGVD29) ft.

Reclamation reports storage of 229,832 acre-feet for the same day.

Over the past 7 days the lake has been falling (−0.29 ft), and it is −1.88 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Anderson Ranch Reservoir, Dam, and Powerplant (AND).

Lake facts

Storage (latest)229,832 acre-feet
Gauge / stationAnderson Ranch Reservoir, Dam, and Powerplant (AND)
Elevation datumft (NGVD29)
Gauge location43.3595, -115.4502

Nearby lakes

Arrowrock Reservoir29 mi NW3,134.61 ft+3.69 ftLucky Peak Lake32 mi W2,946.04 ft+0.80 ftBlack Canyon Reservoir63 mi NW2,487.94 ft−3.43 ftDeadwood Reservoir65 mi N5,304.01 ft+0.43 ftLake Lowell66 mi W2,525.57 ft−0.08 ft

Common questions

Is Anderson Ranch Reservoir rising or falling?

Over the last 7 days it changed −0.29 ft and over 30 days −1.88 ft.

How full is Anderson Ranch Reservoir?

Reclamation publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.