Water Quality

Water quality within the Priest Rapids Project area is vital for all living things.

Learn more about our requirements for licensing, data collecting and monitoring. We are committed to preserving the quality of our water resources.

Water Quality Monitoring Data

We gather data and reports regarding water quality and dissolved gas monitoring to comply with our 401 water quality certification. Learn More »

Section 401 Water Quality Certification

Our federal license requires that we standards for water quality on the Priest Rapids Project. Learn More »

Aquatic Invasive Species

Learn more about non-native aquatic species that could cause harm to the economy, environment or human health in our area. Learn More »