Canyon Ferry Lake Dam Powerplant

Name: Canyon Ferry Lake Dam Powerplant (Montana) water level
Creator: U.S. Bureau of Reclamation

Montana · Reclamation gauge

Grey bar: 12-month range 3,783.1–3,791.3 ft.

Water level

3,784.74FT

Storage 1,487,370 acre-feet

The source publishes no % full figure.

7 days +0.21 ft30 days −0.55 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

Wind5 mph

Rain0%

Temp43°F

Level3,784.7 ft

This AfternoonPatchy Fog · 43°F
W 5 mph · rain 0%

TonightPartly Cloudy then Patchy Fog · 23°F
NNW 3 mph · rain 0%

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

30 days1 year

Field notes

Canyon Ferry Lake Dam Powerplant's latest daily level (Oct 24, 2026) is 3,784.74 ft.

Reclamation reports storage of 1,487,370 acre-feet for the same day.

Over the past 7 days the lake has been rising (+0.21 ft), and it is −0.55 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Canyon Ferry Lake Dam Powerplant and Helena Valley Pumping Plant.

Lake facts

Storage (latest)	1,487,370 acre-feet
Gauge / station	Canyon Ferry Lake Dam Powerplant and Helena Valley Pumping Plant
Elevation datum	ft
Gauge location	46.6492, -111.7275

Nearby lakes

Helena Valley Reservoir7 mi W3,817.59 ft−0.13 ft Willow Creek Reservoir70 mi NW4,130.25 ft+1.12 ft Pishkun Reservoir80 mi NW4,349.24 ft±0.00 ft Gibson Reservoir82 mi NW4,611.30 ft−1.47 ft Lake Elwell119 mi N2,987.05 ft−0.26 ft

Common questions

Is Canyon Ferry Lake Dam Powerplant rising or falling?

Over the last 7 days it changed +0.21 ft and over 30 days −0.55 ft.

How full is Canyon Ferry Lake Dam Powerplant?

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.