In 2018, the United States Army Corps of Engineers (USACE) developed a simple regulation model to estimate the levels of Osoyoos Lake based on inflow conditions and Zosel Dam operations.
Water Levels and Flows
The gate setting of the Compensating Works at the head of the St. Marys Rapids will remain at the typical winter gate setting of one-half gate open (Gates #1 and #7 through #10 open 20 cm (8 in) each). The St. Marys Rapids flow will remain at approximately 84 cubic meters per second or 3,000 cubic…
Low water levels in Osoyoos Lake have exposed the shoreline. Credit: Town of Osoyoos.
International Osoyoos Watershed Board Feasibility Study
In 2025, the International Joint Commission (IJC) established a working group of local representatives and government officials to study the current status of water management in the Osoyoos Lake region.