Water Supply

August 19, 2025

Releases from Lake Sherburne and diversions to the St. Mary Canal are decreasing. The St. Mary Canal will shutoff for the season on August 22 2025 

We will see the Milk River start to drop rapidly as early as this weekend due to the scheduled flow ramping. 

Operations as follows:

CURRENT RESERVOIR AND CANAL CONDITIONS

Elevation: 4772.12 feet;   Storage: 41,510 acre-feet;   River Outlet Works Release: 700 cfs;   Inflow: 90 cfs;   Canal Diversion: 535 cfs

LAKE SHERBURNE RELEASE AND ST MARY CANAL DIVERSION CHANGES

On Tuesday, August 19, 2025:

Decrease release from Lake Sherburne to 550 cfs

Maintain diversion to the St. Mary Canal at 535 cfs

On Wednesday, August 20, 2025:

Decrease release from Lake Sherburne to 400 cfs

Decrease diversion to the St. Mary Canal to 350 cfs

On Thursday, August 21, 2025:

Decrease release from Lake Sherburne to 250 cfs

Decrease diversion to the St. Mary Canal to 150 cfs

On Friday, August 22, 2025:

Decrease release from Lake Sherburne to 100 cfs

Decrease diversion to the St. Mary Canal to 0 cfs