White River Watershed
White River watershed facts - Learn about White River history and fisheries, look at a watershed map and visit other White River related resources.Stormwater runoff pollution and how to reduce it
Tips on how to reduce water pollution from home, yard, car, pets and so forth.
Flooding and hydrology
White River flooding information
Look up river gage levels, flood phases and descriptions provided by King County Flood Warning System.
Projects in the White River Watershed
Water and land improvement projects, White River Watershed
Look up flooding, wastewater treatment and stormwater projects in King County, Washington.
Lower White River Countyline Levee Setback Project and Pacific Right Bank Project
Two projects along the lower White River to increase flood storage and reduce the risk of flood damage during high water.
Middle Boise Creek Restoration Project
Overview of a project to widen a creek, plant native riparian trees, install wood and restore an associated wetland to improve habitat near Enumclaw.
Lower Boise Creek Habitat Restoration Project
Overview of a project to remove contamination and restore a creek to create salmon spawning habitat near Enumclaw.
Surface water management and groundwaterReport problems: drainage and water quality
South King County Groundwater Management Area
Learn about plans to protect the aquifer in the south county area including the White River watershed localities of Algona, Pacific, and unincorporated King County areas.
Lakes: statistics and water quality
Lake Weedwatcher Program
Got a small boat? Interested in saving a lake from the horrors of dense weed infestations?
- Boise Creek Bacterial Source Tracking Study: 2012 Summary of Findings
Scientific study to locate the source(s) of bacterial pollution on Boise Creek and its tributary creeks to inform possible solutions. (2011 report)
Boise Creek Rapid Rural Reconnaissance Report
Inventory of the Boise Creek Basin's surface water needs including its priority drainage, habitat, and water quality projects, acquisitions, studies, and programs.
- East Hylebos Creek 2001 Monitoring Program Report - results of water quality and habitat monitoring from 2001 in East Hylebos Creek.
- Salmon Habitat Limiting Factors for the Puyallup River Basin - WRIA 10
Outlines the loss of habitat in this basin -- which includes the White River drainage in south King County -- and appraises costs of preserving good habitat, restoring damaged habitat, and and other changes to enable self-sustaining salmon populations.
Photo: Boise Creek near Enumclaw - tributary to the White River
- Puyallup River Watershed Assessment (external Acrobat)
February 2014 - historical and current conditions of the the physical, biological, cultural, and economic landscape in the Puyallup River watershed.
- White River Land Acquisition Evaluation Report
This report recommends lands to be acquired for salmon habitat restoration and flood management along the White River in south King County. Published 2002.
- Urbanization of Aquatic Systems: Degradation Thresholds, Stormwater Detection and the Limits of Mitigation (Acrobat pdf, external)
King County study concluding that "approximately 10 percent effective impervious area in a watershed typically yields demonstrable, and probably irreversible, loss of aquatic-system function."
Recreation and appreciation
Fishing regulations and seasons (external link)
Washington Dept. of Fish and Wildlife fishing rules for Washington State including White River, its tributaries and lakes within the watershed.
Known hazards on King County rivers
Reports of confirmed logjams and obstructions that pose a hazard to recreational river users, but does not include hazards that are not known.
Agriculture in King County, Washington
Info about several programs serving growers in King County and resources promoting local agriculture. The White River watershed includes part of King County's larger agricultural districts.
Noxious weed infestation map
Interactive map showing location of regulated noxious weed infestations.
Forestry services and information - King County services and contacts for foresters and homeowners involved in forestry.
King County volunteer opportunities - Get the "Dirt" on upcoming events.
- Dept. of Natural Resources and Parks
- Water and Land Resources Division
- Parks and Recreation Division
News and announcements
Sign up for river hazard updates:
Aug. 2, 2020
External article, Seattle Times
New fish trap on White River can handle a million salmon a year, biggest facility in nation
Dec. 19, 2019
External report, KOMO News
Possible White River flooding will be first test of new $24M flood protection efforts
Dec. 6, 2019
External report, KING5 News
New marine heat wave known as 'the Blob' spotted again off the West Coast
Oct. 9, 2019
External article, Pew
Climate Readiness Plan: Just (Let the Rivers) Go With the Flow
Oct. 3, 2019
External article, Auburn Reporter
Annual flood protection work along White River begins Oct. 7 in Pacific
Jul. 19, 2018
External article, Sightline Institute
Climate Change Could Ruin Drinking Water Plans for Lake Tapps
Pacific Right Bank Flood Protection Project
We want your comments on a proposed flood protection project for the right (or west) bank of the White River