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Pennsylvania Water Science Center Key Officials and Organization

Our organization aligns around the core functions needed to provide water-resources science, information, and data for the Commonwealth of Pennsylvania and its citizens.

Organization and Key Officials

Title Name Email Phone
Office of the Director      
Center Director Melinda Chapman 717-730-6912
Administrative Officer Colleen Ceric 717-730-6922
Science Support and
Information Technology
Science Advisor vacant    
Information Technology Lead James Ulrich 717-730-6943
Hydrologic Studies      
Deputy Director & Chief,
Hydrologic Studies
Jeff Chaplin 717-730-6957
Hydrologic Studies Units      
New Cumberland Hydrologic
Studies Chief
Tammy Zimmerman 717-730-6974
Downingtown Office Chief Andrew Reif 610-518-7234
Bridgeville Hydrologic
Studies, Acting Chief
Brandon Fleming 717-730-6970

Williamsport Hydrologic
Studies, Acting Chief

Jeff Chaplin 717-730-6957
Hydrologic Data Networks      
Chief, Hydrologic Data Networks Tim Oden 303-236-1470

Water Quality Specialist

Joe Duris 717-730-6930
Surface Water Specialist Marla Stuckey 717-730-6950
Groundwater Specialist Brandon Fleming 717-730-6970
Hydrologic Networks Units      
New Cumberland Surface
Water / Groundwater Chief
Mark R Beaver 717-730-6955
New Cumberland Water
Quality, Acting Chief
Tim Oden 303-236-1470
Downingtown Hydrologic
Networks, Acting Chief
Tim Oden 303-236-1470
Bridgeville Office Chief Jamie McCoy 412-569-1001
Williamsport Office Chief Clinton Hittle 570-327-3183