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Jason Papacosma


Jason Papacosma has more than 25 years of experience in local government and environmental management. He leads Arlington County's regulatory and stewardship programs focused on water quality and stream health. He is deeply committed to the principles of cross-department and interdisciplinary collaboration in service of the public good.

Jason currently chairs the Water Resources Technical Committee at the Metropolitan Washington Council of Governments. He is also a co-chair of the Diversity, Equity, and Inclusion Committee for the Department of Environmental Services. 

Jason holds a master’s degree in Environmental Science from the University of Maryland and a bachelor’s degree in Environmental Studies and Biology from Bowdoin College.

  • Urban watershed management
  • Stream health
  • Green stormwater infrastructure
  • Clean water laws and regulations
  • Regulatory compliance
  • Mitigating development impacts
  • Environmental stewardship
  • Climate resiliency
  • Collaborative leadership
Jason Papacosma_CV.pdf