Diversion Start Date
Releases from Lake Sherburne and diversions to the St. Mary Canal are expected to start for the year on March 25, 2024. As in the past, St. Mary Canal diversions will start near 100 cfs and ramp up as ice…
Water Supply
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Diversion operations and projected shutdown/return to natural flow
A quick note regarding diversion operations and the projected shutdown/return to natural flow only on the Milk River: Thank you for following our water updates during the 2023 season, we will share any additional changes as we are made aware.…
Releases from Lake Sherburne and St. Mary Canal diversions are being increased
There was an increased release from Lake Sherburne to 450 cfs and an increased diversion to the St. Mary Canal to 600 cfs.
Releases from Lake Sherburne and St. Mary Canal diversions are being decreased
Diversion from the St Mary to the Milk River is being decreased to 450cfs today. With the
addition of some natural flow, we should see stable flow on the Milk River around 15m/3.
Diversion Flows to the Milk River have increased
The Cold spring and heavy low elevation snow in the headwaters and St Mary Diversion near Babb MT had delayed the diversion start up to the North Fork Montana. USBR crews spent nearly 2 weeks digging out miles of canal system for the anticipated season startup. From April 5th to April 11th the USBR was able to trickle approximately 50cfs into the system, but a turnout gate was damaged by ice above drop structure 5 requiring dewatering and repair. Repairs are now nearing completion.