Country: USA

Black Canyon Reservoir water level today

Reservoir in Idaho

2,489.45ft
758.78 m · NAVD88
Measured · provisional
24 hours
▼ 0.57 ft
7 days
▼ 3.65 ft
30 days
–

What this means

The lake has fallen 3.65 ft in 7 days.

Since 2026, the lowest daily level was 2,489.45 ft (Oct 2026) and the highest 2,496.66 ft (Oct 2026).

Black Canyon Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Records & details

Highest
2,496.66 ft on Oct 7, 2026
Lowest
2,489.45 ft on Oct 21, 2026
Records from
2026 (0 years of daily data)
Storage
22,656 acre-ft
Water temperature
Not measured here

What acre-feet and % full mean

Black Canyon Diversion Dam

Height
183 ft
Completed
1924
Purposes
Hydroelectric; Irrigation
Owner
BUREAU OF RECLAMATION
Normal storage
29,822 acre-ft
Surface area
1,100 acres

National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →

Boat ramps on Black Canyon Reservoir

1 ramps without a name, on the map: 1

1 ramp listed. Links open the ramp's location on OpenStreetMap. Check the managing agency for closures, especially at low water. All Idaho boat ramps →

Weather & wind

This Afternoon58°F · Partly Sunny
Wind NW 10 to 14 mph
Tonight33°F · Mostly Clear then Areas Of Frost
Wind NW 0 to 8 mph
Saturday59°F · Widespread Frost then Sunny
Wind SSW 2 mph
Saturday Night34°F · Mostly Clear then Patchy Frost
Wind SE 1 mph
Sunday64°F · Areas Of Frost then Sunny
Wind SE 2 mph
Sunday Night38°F · Partly Cloudy
Wind SE 2 mph

NOAA National Weather Service forecast for this lake's location, updated 22 min ago.

Nearby lakes

All Idaho lake levels →