Water Resources Division
Natural Resource Stewardship and Science
1201 Oakridge Drive, Suite 250
Fort Collins, CO 80525
Phone: 970-225-3500
Fax: 970-225-9965
Office of the Division Chief
Division Chief & Supervisory Hydrologist
Ed Harvey, PG
Expertise: Groundwater dependent ecosystems, groundwater-surface water interaction, water chemistry, isotope hydrology, regional groundwater flow systems.
email Ed Harvey
Management Support Specialist
Tana Meadows
Expertise: Provides support to enhance the overall administrative and business operations in WRD.
email Tana Meadows
Communications Specialist
Leta McWilliams
Expertise: Communications, writing, editing, website development.
email Leta McWilliams
Visual Information Specialist
Tyler Chisholm
Expertise: website development, graphic design, communications, writing, editing, social media
email Tyler Chisholm
Fish Program
Program Lead
John Wullschleger
Expertise: Fish population and community monitoring, aquatic invertebrate community monitoring, aquatic invasive species prevention and management, fishery management, ecology of altered/regulated aquatic systems, fish and aquatic system restoration.
email John Wullschleger
Fisheries Biologist
Nic Medley
Expertise: Aquatic ecology, ecotoxicology, environmental monitoring, hydrology, geomorphology, river restoration, regulated rivers, water management, instream flows.
email Nic Medley
Floodplains & Hydrology Program
Program Lead
Michael Martin
Expertise: Floodplain analyses, open channel flow, hydraulics, geomorphology, river and stream restoration.
email Mike Martin
Surface Water Hydrologist
Derek Schook
Expertise: Riparian and wetland ecology, fluvial geomorphology, restoration, surface water-groundwater interactions, plant-water interactions, dendrochronology
email Derek Schook
Hydrologist
Nicole O'Shea
Expertise: Hydrogeology, groundwater wells, water supply systems, GIS, database development, field reconnaissance
Hydrogeologist
Steve Rice
Expertise: Groundwater hydrology, groundwater sustainability, water supply wells, springs and groundwater dependent ecosystems, near-surface geophysics, water quality, cave and karst resources, stable isotope geochemistry
Information Management Program
Program Lead
Dean Tucker
Expertise: Data management and reporting, hydrographic analysis, computer graphics, water resources applications in GIS, and environmental economics.
email Dean Tucker
CSU Research Associate
Paula Galloway
Expertise: Database and software development, user interface design, scientific programming, VBA, SQL, Microsoft Access/Excel/Word, and chemistry.
email Paula Galloway
CSU Research Associate
Caroline Goughis
Expertise: Water chemistry and ecology.
email Caroline Goughis
Natural Resource Condition Assessment Program
(Acting) Program Lead
Tammy Cook
Expertise: Program development, project management, partnering, financial aquisitions, reporting, GIS/spatial analysis, and information management for natural resource management.
email Tammy Cook
Ocean & Coastal Resources Program
Program Lead
Eva DiDonato
Expertise: Water quality, marine pollution, monitoring (water quality, coral reef fish, submerged aquatic vegetation), coastal watershed assessment, marine resource management, estuarine/marine ecology, coral reefs, coral disease, eutrophication, interagency partnerships, research facilitation, scientific diving.
email Eva DiDonato
Marine Ecologist
Monique LaFrance Bartley
Expertise: Seafloor mapping, benthic habitat mapping, benthic ecology, offshore wind energy development in relation to the benthos (biological communities, sediment characteristics, organic enrichment), spatial ecology and analyses, shoreline and sediment processes, acoustic and LiDAR data (acquisition, processing, interpretation), GIS, research project management (design, coordination, implementation, data analysis and interpretation), applied research to guide resource managers and regulators, stakeholder-based projects, science outreach and communication.
email Monique LaFrance Bartley
Marine Ecologist
Jamie Kilgo
Expertise: Seascape ecology, GIS and spatial analysis; coral reef, seagrass, kelp and forage fish ecology; monitoring and research coordination, marine protected area management and citizen science.
email Jamie Kilgo
Marine Ecologist
Christine Lipsky
Expertise: Marine fisheries science and management, recreational fishing, aquatic invasive species, at-risk species, estuarine/marine ecology, marine debris, aquaculture.
email Christine Lipsky
Water Rights Program
Program Lead
Terry Fisk
Expertise: Hydrogeology, groundwater dependent ecosystems, NPS policies, communications and relationships
email Terry Fisk
Water Rights Specialist
Joseph Chafey
Expertise: Water rights research, inventories, and compliance.
email Joseph Chafey
Senior Policy Analyst
Peter Fahmy
Expertise: Federal and state water rights statutes, case law, regulations, and policies; state administrative hearing procedures; National Park Service statutes, regulations, and policies.
email Peter Fahmy
Hydrologist
Chris Gable
Expertise: Surface and groundwater field methods, data analysis, instrumentation and water rights.
email Chris Gable
Hydrogeologist
Tyler Gilkerson
Expertise: Providing parks and regions technical support on groundwater resource and water right issues, assisting with supply well planning efforts and recommending actions for sustainable groundwater management.
email Tyler Gilkerson
Hydrologist
Jeff Hughes
Expertise: Water rights, surface water hydrology
email Jeff Hughes
Water Rights Specialist
Eric Lord
Expertise: Water rights, water law.
email Eric Lord
Hydrologist
Mark Wondzell
Expertise: Surface water hydrology, instream flow quantification.
email Mark Wondzell
Water Quality Program
Program Lead
Andrew Birch
Expertise: Environmental chemistry, surface water hydrology, water quality, land-use/ land-cover change, ecotoxicology, data science and programming.
email Andrew Birch
Aquatic Contaminants Specialist & Biologist
Kerensa King
Expertise: Ecotoxicology, water quality, pesticide toxicology, storm water runoff, aquatic ecology, heavy metal contamination, acid mine drainage, fish and wildlife biology, Pacific salmon ecology.
email Kerensa King
Wetlands Program
Program Lead
Kevin Noon
Expertise: Wetland regulation and policy compliance, impact evaluation, delineation; wetland restoration and management; wetland mitigation banking; hydrology and ecology of wetland and other aquatic ecosystems; long-term wetland management.
email Kevin Noon
Wild & Scenic Rivers Program
Program Lead
Susannah Erwin
Expertise: Wild and Scenic Rivers, water rights, surface water hydrology and hydraulics, geomorphology and sediment transport, stream restoration, instream flow quantification
email Susannah Erwin
Field-Based Aquatic Resource Professionals
Aquatic Resource Professionals are WRD-supported technical staff who are located in region or park offices and who are supervised locally. These specialists provide technical and policy support on local issues for WRD, the regions, and their respective parks. They are a vital extension of the services provided by the NPS Water Resources Division.
Aquatic Ecologist
Marie Denn
Pacific West Region
Expertise: Wetland monitoring and restoration, wetland mapping, rare plant and plant community monitoring, program planning for natural resources stewardship, water quality monitoring
email Marie Denn
Fishery Ecologist and Water Quality Specialist
Jeff Duncan
Southeast Region
Expertise: Aquatic ecology from a systems perspective, southeastern aquatic communities, invasion ecology, biotic homogenization, water quality, Wild and Scenic Rivers, hydropower
email Jeff Duncan
Wetlands Ecologist
Mark Ford
Southeast Region
Expertise: Plant biology and ecology, restoration, coastal processes, fire ecology
email Mark Ford
Fishery Biologist
Jay Glase
Midwest Region
Expertise: Lake and stream ecology, fluvial hydrology, instream fisheries habitat, benthic mapping of lakes and streams, riverine and coastal ecosystem restoration
email Jay Glase
Ocean and Coastal Resources Program Coordinator
Irina Irvine
Pacific West Region
Expertise: Restoration ecology, plant ecology, invasive species (terrestrial & aquatic), nutrient pollution and effects on coastal resources, marine debris, outreach and youth engagement in stewardship
email Irina Irvine
Coastal Ecologist
Tahzay Jones
Alaska Region
Expertise: Expertise: Coastal ecology (arctic & tropical), marine biology (arctic & tropical), coastal physical and hydrological processes, island ecology, freshwater stream ecology, water quality, systems modeling, fisheries
email Tahzay Jones
Coastal Ecologist
Cathy Johnson
Norheast Region / Region 1
Expertise: Coastal and marine ecology, wildlife ecology and conservation (terrestrial and aquatic), endangered species and consultation, habitat restoration and management, wetlands (freshwater and coastal), landscape ecology
email Cathy Johnson
Groundwater Hydrologist
Gary Karst
Pacific West Region
Expertise: Physical and quantitative groundwater hydrology; groundwater-surface water interaction, regional flow system analysis
email Gary Karst
Aquatic Ecologist and Pilot
Amy Larsen
Alaska Region
Expertise: Wetland ecosystem dynamics in subarctic and arctic ecosystems, climate change, long term lake monitoring, surface water interactions with permafrost, impacts of fire on wetland ecosystems, and aviation
email Amy Larsen
Aquatic Ecologist
Brenda Moraska-LaFrancois
Midwest Region
Expertise: Lake, stream, and coastal ecosystems (including large lakes and rivers), water quality trends, watershed biogeochemistry, algal and invertebrate communities, nutrient enrichment, aquatic invasive species, contaminants, and climate change
email Brenda Moraska-LaFrancois
Hydrologist
Salek Shafiqullah
Intermountain Region
Expertise: Groundwater, surface water, water rights
email Salek Shafiqullah
Hydrologist
Peter Sharpe
Northeast Region
Expertise: Tidal and non-tidal wetland ecology, plant ecology, water chemistry, hydrology, wetland/stream restoration, study design
email Peter Sharpe
Hydrologist
Sharla Stevenson
Midwest and Intermountain Region
Expertise: Surface water hydrology, snow hydrology, hydroclimatology, statistics, and water rights
email Sharla Stevenson
Fishery Biologist
Melissa Trammell
Intermountain Region
Expertise: Colorado River, threatened and endangered fish, desert fishes, aquatic ecology
email Melissa Trammell
Marine Scientist and Ocean Program Coordinator
C. Anna Toline
Southeast Region
Expertise: Expertise: Marine science including but not limited to water quality, wildlife health and management, marine protected areas, fisheries, invasive species, etc. (all things marine); habitats are widely varied and include oyster reefs, coral reefs, sea grass, mangroves, and tidal wetlands
email C. Anna Toline
Hyrdologist (Fluvial Geomorphologist)
John Wooster
Pacific West Region
Expertise: Surface Water, Sediment Transport, Stream Channel Restoration, Fish Passage, Stream Crossing Design
email John Wooster
Fishery Biologist
Dan Young
Alaska Region
Expertise: Salmon and resident fish ecology, salmon escapement monitoring, and radio telemetry
email Dan Young
Last updated: July 13, 2022