Here are some websites that give good information about sustainable environmental pratices and those to be banned in order to protect our lake.
Ste-Thérèse-de-la-Gatineau municipality web site.
Quebec hydric expertise centre gives you a day to days the water level of the lake at the dam.
ENVIROZINE is Environment Canada environmental magazine http://www.ec.gc.ca/EnviroZine/default.asp?lang=En&n=94DCD5DA-1. You also can visit ENVIRONMENT CANADA website http://www.ec.gc.ca/eau-water/default.asp?lang=En&n=65EAA3F5-1