Water-Use It Wisely

Affiliate (Universities, NGOs, Other Nonprofits)

Mesa, AZ

Member since 2025

https://wateruseitwisely.com/

WateReuse Association

Affiliate (Universities, NGOs, Other Nonprofits)

Alexandria, VA

Member since 2019

https://watereuse.org/

The WateReuse Association is the nation’s only trade association solely dedicated to advancing laws, policy, funding, and public acceptance of recycled water. WateReuse represents a coalition of utilities that recycle water, businesses that support the development of recycled water projects, and consumers of recycled water.

WaterNow Alliance

Affiliate (Universities, NGOs, Other Nonprofits)

San Francisco, CA

Member since 2017

https://www.waternow.org

WaterOne

Water Supplier, Water Supplier (Retail/Wholesale)

Lenexa, KS

Member since 2026

https://waterone.org

Watershed

Business and Industry (Consulting Firms, Businesses)

Vashon, WA

Member since 2008

https://www.watershedllc.net/

Watershed LLC is dedicated to helping customers reduce their water and energy use, improve their landscape impact, and increase the sustainability of their properties. They do this through water and energy audits, green building consulting, cost and savings analysis, project development and management, research, demonstration, and training.

Watershed Progressive

Business & Industry

Ojai, CA

Member since 2025

https://www.watershedprogressive.com/

Waukesha Water Utility

Water Supplier (Retail)

Waukesha, WI

Member since 2019

https://www.waukesha-water.com/

In June of 2016, the Great Lakes Compact unanimously approved Waukesha’s application to borrow water through a pipeline from Lake Michigan, and then treat it and return it all to the lake via the Root River. Waukesha developed a water conservation/protection plan which aims to reduce water usage by 20% by the year 2020.

Weber Basin Water Conservancy District

Water Supplier

Layton, UT

Member since 2025

https://www.weberbasin.gov/

Webers Water Conservation

Business & Industry, Business and Industry (Consulting Firms, Businesses)

Encinitas, CA

Member since 2024

https://weberswater.com/

West Basin Municipal Water District

Water Supplier (Wholesale)

Carson, CA

Member since 2008

https://www.westbasin.org/

West Basin Municipal Water District is a wholesale water agency that provides imported drinking water to 17 cities and unincorporated areas of Los Angeles County throughout its 185 square mile service area. An innovative public agency, West Basin is a recognized leader in the production of recycled water, conservation and education programs.

West Kern Water District

Water Supplier, Water Supplier (Retail)

Taft, CA

Member since 2025

https://wkwd.org/

West Valley Water District

Water Supplier, Water Supplier (Retail)

Rialto, CA

Member since 2023

https://www.wvwd.org/

Western Municipal Water District

Water Supplier (Retail/Wholesale)

Riverside, CA

Member since 2009

https://www.wmwd.com/

Providing reliable drinking water to customers on a daily basis, Western MWD works to secure water supplies for the future as well as today. It takes engineering, infrastructure, responsible management and strategic governance to ensure the roughly 28 billion gallons of water they provide to their customers in western Riverside County is safe and reliable 365 days a year.

Western Policy Research

Business and Industry (Consulting Firms, Businesses)

Santa Monica, CA

Member since 2017

WPR specializes in the following: Statistical Program Evaluation, Econometric Demand Forecasting, Cost and Cost-Effectiveness Analysis, Surveying, and Conservation Savings Analysis. The firm’s Principal is Anil Bamezai, PhD.

Whirlpool Corporation

Business & Industry, Business and Industry (Manufacturers, Distributors)

Benton Harbor, MI

Member since 2008

https://www.whirlpoolcorp.com/

Whirlpool Corporation is the world’s leading major home appliance company, with approximately $21 billion in annual sales, 92,000 employees and 65 manufacturing and technology research centers in 2018. The company markets Whirlpool, KitchenAid, Maytag, Consul, Brastemp, Amana, Bauknecht, JennAir, Indesit and other major brand names in nearly every country throughout the world.

Winter Haven Water

Water Supplier (Retail)

Winter Haven, FL

Member since 2021

https://www.mywinterhaven.com/utilities/

Winter Haven Water has 21 production wells, 9 water plants, 2 wastewater plants, about 500 miles of water mains and 330 miles of wastewater mains. They proudly serve approximately 35,000 utility accounts in the greater Winter Haven Area.

Wisconsin Department of Natural Resources

Government (Federal, State/Province, Local)

Madison, WI

Member since 2009

https://dnr.wi.gov/

In partnership with individuals and organizations, DNR staff manage fish, wildlife, forests, parks, air and water resources while promoting a healthy, sustainable environment and a full range of outdoor opportunities.

Withlacoochee Regional Water Supply Authority

Water Supplier (Wholesale)

Lecanto, FL

Member since 2017

https://www.wrwsa.org/

The Withlacoochee Regional Water Supply Authority (WRWSA) is a multi-county special district of the State of Florida charged with planning for and developing cost-efficient, high-quality water supplies for its member governments. WRWSA promotes environmental stewardship through its water conservation programs and will develop alternative water sources when necessary to augment traditional water supplies to meet the region’s long-term needs.

Woodard & Curran

Business & Industry, Business and Industry (Consulting Firms, Businesses)

Portland, ME

Member since 2025

https://www.woodardcurran.com/

Yoppify

Business & Industry, Business and Industry (Consulting Firms, Businesses)

Riverton, UT

Member since 2022

https://yoppify.com/

Yoppify helps utilities connect with the public with different communication modes. Make interactions with the public effortless, meaningful, and fast—no matter your staff size, needs, or experience. Yoppify helps communicate through getting contacts in order, planning for emergency communications, segmenting and preparing communications for delivery, and utilizing the communication data for growth.

Yucaipa Valley Water District

Water Supplier (Retail)

Yucaipa, CA

Member since 2019

https://www.yvwd.dst.ca.us/

The District's local water is supplied from groundwater through local wells, and surface water collected from Birch Creek, Oak Glen Creek, Adams Tunnel and Clark Tunnel. Additionally, the District purchases imported water from the State Water Project through the San Bernardino Valley Municipal Water District and the San Gorgonio Pass Water Agency for direct filtration and for recharge of the groundwater basin.

Zone 7 Water Agency

Water Supplier (Wholesale)

Livermore, CA

Member since 2014

https://www.zone7water.com/

Zone 7 Water Agency is committed to providing a reliable supply of high quality water and an effective flood control system to the Livermore-Amador Valley.