Incorrect. The heat exchangers are a part of the city water intake. Edit: looks like a bit of both? See pg. 6: https://www.toronto.ca/wp-content/uploads/2020/

Incorrect. The heat exchangers are a part of the city water intake. Edit: looks like a bit of both? See pg. 6: https://www.toronto.ca/wp-content/uploads/2020/05/963d-ppfa-dlwc-ea-pic-panels.pdf https://www.toronto.ca/wp-content/uploads/2020/05/963d-ppfa-... Though the city drinking water is pulled from deeper out so probably that supply is cooler to begin with: https://www.toronto.ca/wp-content/uploads/2020/05/963d-ppfa-dlwc-ea-pic-panels.pdf https://www.toronto.ca/wp-content/uploads/2020/05/963d-ppfa-...