Purifying Accessible Water Through the implementation of cost-effective ecological and chemical filtration systems, we can help provide clean, potable water to individual households and larger communities. For Uranium, Arsenic, and Biological Contaminants Anion Exchange Resin FilterAn industrial filtration system that filters out the major contaminants in the Navajo Nation water supply. One system could provide for just under 600 people. Zero Valent Iron FilterA central water system for small communities under 300 people that filters out the major contaminants in the Navajo Nation Water Supply. For Arsenic and Biological Contaminants Kanchan Arsenic FilterA cheap and scalable household filtration device for the filtration of both arsenic and biological contaminants. BiofiltrationA filtration method that uses natural resources to filter out arsenic and biological contaminants, providing potable water to the Diné community without compromising traditional values.