Mark Holmes Mark Holmes is the Water Resources Manager for the City of Goodyear since 2012. Building a robust water resources portfolio and finding alternative or augmented water supplies is one of the primary goals as Water Resources Manager. Mark has been involved in Arizona water since 2000. He was a Hydrologist III with the Arizona Department of Resources for 5 years as WQARF Section Manager. Mark worked with the Town of Chino Valley, Arizona as their Water Resources Director for 5 years and was the City of Mesa's Water Advisor for 3 years. Mark is a Professional Registered Geologist with the State of Arizona. He also serves as a Commissioner on the Arizona Water Protection Fund and serves on the Board of Directors for the Multi-State Salinity Coalition. Mark has a Master of Science degree from the University of Minnesota and a Bachelor of Science degree from the University of Wisconsin. Mark served 7 years honorably in the United States Air Force.