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DWR > Home > About DWR > Leadership

Kevin Rein

Kevin Rein, State Engineer

Kevin Rein was appointed to the position of State Engineer and Director of the Division of Water Resources by Governor Hickenlooper on July 13, 2017.  Kevin has worked at the Division of Water Resources since 1998 as a Team Leader and Chief of Water Supply, and most recently as the Deputy State Engineer for intrastate water supply and water court matters.  Kevin directs the performance of the division’s responsibilities, which include administration of water rights in Colorado, issuing well permits, performing administrative approvals for water use, administering programs that ensure the safety of dams and the safe construction of water wells, and providing information and education resources to the public. Prior to coming to the Division of Water Resources, Kevin worked in utility engineering, business automation consulting, and water resources consulting.  Kevin is a native of Colorado and a graduate of Colorado State University.

Kevin Rein
State Engineer/Director



Mike Sullivan Mike Sullivan was appointed Deputy State Engineer on September 30, 2008. Mike has worked for the Division of Water Resources for over 13 years, most recently as Division Engineer for the Rio Grande Basin responsible for administering all water supplies in the basin while also working as the Engineer Advisor on the Rio Grande and Costilla Interstate Compacts. Before coming to the Division of Water Resources, Mike worked in environmental consulting including emergency response and long-term cleanup of hazardous chemical releases. Early in his career, Mike was a Water Resource Engineer for a metropolitan city working on raw water acquisitions and engineering studies. Mike is a native of Colorado and is a graduate of the Colorado School of Mines. Mike’s experience with interstate compacts will be invaluable as he heads up overview of all interstate compacts for the state of Colorado. One of the major duties of the Deputy State Engineer is to ensure compliance with the state's numerous interstate compacts. The position will also operate as the Chief Operating Officer for the Division and oversee all daily operations of the agency.  

Mike Sullivan
Deputy State Engineer/Deputy Director



VACANT, Deputy State Engineer, supports the Dam Safety Team, Satellite Monitoring and Hydrographic Services, Decision Support System, Modeling Services, and the Records Team.  This position also coordinates the statewide subject matter expert teams that manage the water rights tabulation, diversion records, GIS data, groundwater administration, and electronic documents. This position is the State Engineer's liaison to the Governor's Office of Information Technology and the Board of Examiners of Water Well Construction and Pump Installation Contractors.



Deputy State Engineer



Tracy Kosloff,  Deputy State Engineer, oversees the Intrastate Water Supply Development and Litigation Section & the Hydrogeology Section. This position directs and supervises the review & engineering evaluation of substitute water supply plans, water court applications, well permit applications, subdivision water supply plans, & other water supply-related activities; as well as critical hydrogeological investigation activities in the Hydrogeology Section. This position also provides general support to the State Engineer in water administration matters around the state and provides a point of contact for the Colorado General Assembly on legislative matters related to water administration.

Tracy Kosloff
    Deputy State Engineer