Dana Walker is an aquatic biologist with the Pennsylvania Department of Environmental Protection (DEP) in Harrisburg, PA. Dana works in the Citizens' Volunteer Monitoring Program, providing statewide support and training for volunteer stream and lake monitoring programs. She has also served as a water quality specialist for DEP's Southeast Regional Office in the Water Management Program; in this capacity she worked with the regulated community, specifically those facilities with permitted discharges, and responded to various water pollution complaints and incidents. Prior to working for DEP, Dana was the Watershed Programs Coordinator for the Schuylkill Center for Environmental Education, where she taught students about natural history and watershed education, and provided professional development for teachers within the Philadelphia region. She also acted as the statewide training coordinator and quality control officer for the Pennsylvania Senior Environment Corps, a volunteer water-monitoring program.