Arsenic Removal from OU Water By: Ross Chaffin, Randy Goll, Sami Karam, Roman Voronov Capstone Design Project- Spring 2003 Executive Summary In 2000, the EPA mandated that the arsenic level for water distribution systems must be reduced to 10 ppb (parts per billion) by the year 2006. The results of our Senior Capstone Project show how the University of Oklahoma can save several million dollars over a long term horizon, by using treatment methods, and only purchasing water from the City of Norman occasionally at peak demands. In order to comply with the new regulation, our project recommends the construction of an Ion Exchange (IX) treatment facility as opposed to water purchase from the City of Norman. The Net Present Cost (NPC) of purchasing water for the next 20 years, that is the total cost at 2003 dollars, is estimated to be approximately $8,000,000 at the current water price of $1.14/1000gals. In comparison, the NPC of building a treatment facility and treating the water for Arsenic has only a Net Present Cost of approximately $3,000,000,
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