Columbia River
Water Quality Permits & Planning
Workgroups &
Partnerships
Cold Water Refuges
EPA is helping to protect and restore vital cold water habitat to support salmon and steelhead in the Columbia River.
Tribal Fish
Consumption
EPA is working with tribes to document fish consumption and potential health risks from chemical pollution in fish.
Chemicals of Emerging Concern
EPA is leading efforts to conduct research and monitoring for pharmaceuticals, personal care products, and other so-called "chemicals of emerging concern."