The Forum's water information resource center serves as the hub for data related to the water supply, water resources, and environmental stewardship and conservation activities of the Forum and others within the region. Explore below to find the Regional Water Supply Outlook, regional planning efforts, Forum members' conservation and environmental stewardship initiatives and more!

Regional Water Supply Outlook

The Central Puget Sound Regional Water Supply Outlook is a comprehensive assessment of municipal water supply and demand in King, Pierce and Snohomish Counties. The latest information is available in the 2009 Regional Water Supply Outlook.  Historic information is available in the 2001 Regional Water Supply Outlook.


Planning Area

The Regional Water Supply Outlook planning area includes King, Pierce and Snohomish Counties as shown on the Planning Area Map.


Water Service Area Map

More than 100 utilities provide water service within the Water Supply Forum planning area. The service areas for the largest systems are shown on the Water Service Area Map.



Climate Change

Climate change has become a topic of interest to water suppliers and the public alike. Extensive information is available on the internet, including definition of climate change and frequently asked questions along with both general and technical discussions.  Links to key available resources are available on the Climate Change page.


Water Quality

Protecting drinking water quality is a primary objective of both regional water suppliers and local water utilities.  Drinking water quality is regulated by the Environmental Protection Agency and the Washington Department of Health.  Information on drinking water quality is available on the Water Quality page.


Water Conservation

Water suppliers in the Central Puget Sound area have been committed to active conservation programs to reduce water use within the region for more than 2 decades. Details on the Water Suppliers Forum and member agency water conservation efforts are available on the Water Conservation page.


Environmental Stewardship

The Environmental Stewardship Committee leads Water Supply Forums' efforts related to environmental issues. The Environmental Stewardship Committee provides focus on involvement of water suppliers and local governments on broader environmental issues and with environmental organizations.


Water Supply Forum Programs

The Water Supply Forum serves the water utility community by providing timely programs on topics and issues of interest to the regions water providers. Information on the programs, and available materials can be viewed on the Water Supply Forum Programs page.


Water Supply Planning Within the Region

In addition to the regional planning that is done by the Form, individual water systems are required to prepare detailed Water System Plans. Information on this planning along with links to available planning documents can be found at Water Supply Planning within the Region.  Here you will find both local Water System Plans and available Coordinated Water System Plans.


Salmon Recovery

For the past decade the region's water utilities and local governments have been actively implementing programs to enhance aquatic habitats and improve local conditions for fish resources. Efforts have varied from participation in the Salmon Recovery Planning for the region's major rivers, to comprehensive water shed management tools such as Habitat Conservation Plans and Federal Energy Regulatory Commission management plans.  Information on the Forum Member's salmon recovery activities can be found on the Salmon Recovery page.


Water Resource Data

Information on the regions water resources is available from federal, state and local governments. Follow the links below for information on water resources within the region. The largest municipal water supplies within the region are surface water supplies from the regions major rivers. However, about a third of the regions municipal water supply is from wells (groundwater).  Detailed water resource data is available through the links on the Water Resource Data page.