Water Levels and Flows
Historically low 2018 water levels in Lake St. Lawrence have prompted concerns that fish populations and habitat may be locally impacted.
The United States and Canada independently developed their own suite of hydrographic datasets using different standards and approaches.
The Canadian Precipitation Analysis (CaPA) is an operational near real-time gridded precipitation product from Environment Canada available since April 2011 for North America.
Flow measurements at the Compensating Works at the head of the St. Marys Rapids will be conducted throughout the summer and fall of 2015 in order to establish and verify relationships used to determine flow through the St. Marys Rapids at multiple partially open gate settings.
The United States and Canada independently developed their own suite of hydrographic datasets using different standards and approaches.
Monuments indicating the historic peak lake level of Osoyoos Lake documented in 1894, 1972, 1974, and 1997 by the U.S. Geological Survey will be constructed at public parks on both sides of the border in Osoyoos, British Columbia and Oroville, Washington.