Brochu Lake, a vast expanse of freshwater in the south-eastern part of the Gouin Reservoir was named after Michel-Delphis Brochu, a doctor and professor at the Faculty of Medicine of Laval University, and the toponym "Lac Brochu" was formalized in December 18, 1986, by the Commission de toponymie du Québec.
Brochu Lake, a vast expanse of freshwater in the south-eastern part of the Gouin Reservoir was named after Michel-Delphis Brochu, a doctor and professor at the Faculty of Medicine of Laval University, and the toponym "Lac Brochu" was formalized in December 18, 1986, by the Commission de toponymie du Québec.