Watersheds

Find articles, maps, and other content tagged by any of the 21 watershed sub-basins in the Puget Sound area. The geospatial boundaries below represent the 4th level (8-digit) hydrologic unit boundaries of the Watershed Boundary Dataset (WBD) layer for Washington. Data source: The U.S. Department of Agriculture, Natural Resources Conservation Service.

RELATED ARTICLES

11/26/2012

Puget Sound watershed hydrologic units

There are many ways of defining the boundaries of the Puget Sound watershed. Hydrologic unit codes (HUCs) are nationally standardized divisions that are often used by conservation agencies and national organizations.

WRIA boundaries in Puget Sound area
5/11/2012

Water Resource Inventory Areas in Puget Sound

The Washington State Department of Ecology and other state natural resources agencies have divided the Washington into 62 "Water Resource Inventory Areas" or "WRIAs" to delineate the state's major watersheds.

Black and white photo of two men standing in front of a canvas shack with mountain and glacier behind it.
4/7/2022

The retreating glaciers of Puget Sound

Puget Sound's glaciers are melting rapidly due to climate change. The North Cascades mountains have lost about 56% of their glacial ice while estimates show that glaciers in the Olympics could be gone within the next 50 years. Scientists say salmon and other species could be hard hit as the region loses its “giant storage tank” of ice.

View of river with reflection of clouds and vegetation
10/28/2021

Puget Sound National Estuary Program Synthesis of Integrated Floodplain Management in Selected Puget Sound River Deltas

A 2021 synthesis report from the University of Washington Puget Sound Institute synthesizes leading integrated floodplain management approaches to support the EPA-funded Floodplains and Estuaries Implementation Strategy.

Map of the Salish Sea & Surrounding Basin. Map: Stefan Freelan https://flic.kr/p/6adqMP (CC BY-NC 2.0)
8/30/2021

Salish Sea survey: Geographic literacy enhancing natural resource management

An article published in the journal Society & Natural Resources in 2021 describes the results of a geographic literacy survey which shows residents of Washington and British Columbia are largely unfamiliar with the name Salish Sea. The authors discuss the implications of their findings for ecosystem recovery of the region.