This is the third in a series of articles about island aquifers. First, we spoke to the Quadra ICAN water security team members Jude McCormick, Kris Wellstein, Bernie Amell and Mike Gall about evidences that the groundwater supply is diminishing on Quadra Island. Then we reviewed some previous stories about this issue on Cortes Island.  Now we return to Quadra ICAN, where the water security team delve deeper into the issues affecting island aquifers.