Serving 534 Members
93
Affiliate (Universities, NGOs, Other Nonprofits)
89
Business & Industry
352
Water Supplier
Global Midwest Alliance
Affiliate (Universities, NGOs, Other Nonprofits)
Chicago, IL
Member since 2015
https://www.globalmidwestalliance.org/
Global Midwest Alliance is a business-led, region-wide, not-for-profit education organization dedicated to transforming the Midwest into an internationally recognized leader in innovation and business growth.
Golden State Water Company
Water Supplier (Retail)
San Dimas, CA
Member since 2012
https://www.gswater.com/
At Golden State Water Company, it has been all about water for more than 85 years. Their team of professionals delivers reliable, quality water and great service to customers in 76 communities across California.
Goleta Water District
Water Supplier (Retail)
Santa Barbara, CA
Member since 2013
https://www.goletawater.com/
The District's mission is to provide a reliable supply of quality water at the most reasonable cost to the present and future customers within the Goleta Water District. Established on November 17, 1944, the Goleta Water District encompasses an area extending along the south coast of Santa Barbara County west from the Santa Barbara city limits to El Capitan.
Great Oaks Water Company
Water Supplier (Retail)
San Jose, CA
Member since 2018
https://www.greatoakswater.com/
Great Oaks Water Company has been providing public water utility service to the Blossom Valley - Santa Teresa - Edenvale - Coyote Valley-Almaden Valley area of the City of San Jose since the early 1960's. With over 20,000 customers and a dedicated staff of 17 employees, Great Oaks is recognized as one of the most efficiently run utilities in the state.
Green Builder Coalition
Affiliate (Universities, NGOs, Other Nonprofits)
Glen Carbon, IL
Member since 2018
https://www.greenbuildercoalition.org/
The Green Builder® Coalition is a not-for-profit association dedicated to amplifying the voice of green builders and professionals to drive advocacy and education for more sustainable home building practices. They unite individual small builders, building professionals and suppliers to drive policy-change and education for more resource-efficient home building standards.
Green Infrastructure Leadership Exchange
Affiliate (Universities, NGOs, Other Nonprofits)
Towson, Maryland
Member since 2024
https://giexchange.org/
Green Media Creations
Business and Industry (Consulting Firms, Businesses)
Van Nuys, CA
Member since 2021
https://www.greenmediacreations.com/
Green Media Creations, Inc. (GMC) is a full-service media firm that provides PR/Outreach, Education & Marketing for public agencies and green private companies.
GSI Water Solutions
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Portland, OR
Member since 2025
http://www.gsiws.com
H.W. (Bill) Hoffman & Associates
Business and Industry (Consulting Firms, Businesses)
Lockhart, TX
Member since 2010
H.W. (Bill) Hoffman & Associates, LLC is a consulting firm with over 50 years of experience in sustainable water resource planning and water use efficiency. Services range from policy development, to water efficiency and engineering studies of water conservation potential for the CII sectors.
Halifax Water
Water Supplier (Retail)
Dartmouth, Nova Scotia, Canada
Member since 2017
https://www.halifax.ca/home-property/halifax-water
The Halifax Regional Water Commission is the municipal water, wastewater and stormwater utility serving the residents of the Halifax Regional Municipality, pursuant to the Public Utilities Act.
In Partnership with AWE
Halifax Water was featured in AWE's Exemplary Programs Series webinar, Becoming a World Leader in Water Loss Control: The Amazing Story of Halifax Water. Click here to watch the webinar and download the presentation.
Halupka Studios
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Nashville, TN
Member since 2025
Harris County Utility District 15
Water Supplier (Retail)
Houston, TX
Member since 2014
https://www.hcud15.org/
Harris County Utility District No. 15, located in Harris County, Texas, (the “District”) was created by Acts of the 62nd Legislature of the State of Texas, Regular Session, 1971, in accordance with the Texas Water Code, Chapter 54.
Harvey Economics Company
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Denver, CO
Member since 2026
http://harveyeconomics.com/
Hawaii Commission on Water Resource Management
Government (Federal, State/Province, Local)
Honolulu, HI
Member since 2013
https://dlnr.hawaii.gov/blog/category/news/cwrm/
The Department of Land and Natural Resources, headed by an executive Board of Land and Natural Resources, is responsible for managing, administering, and exercising control over public lands, water resources, ocean waters, navigable streams, coastal areas (except commercial harbors), minerals, and all interests therein.
Hawaii Water Service
Water Supplier, Water Supplier (Retail)
Waikoloa Village, HI
Member since 2026
https://www.hawaiiwaterservice.com/
Hazen and Sawyer
Business and Industry (Consulting Firms, Businesses)
New York, NY
Member since 2008
https://www.hazenandsawyer.com/index.php/
Since 1951, Hazen and Sawyer (Hazen) has focused on two critical activities – helping clients provide safe drinking water to their customers, and controlling water pollution and its effects on the environment.
Highlands Ranch Water
Water Supplier (Retail)
Highlands Ranch, CO
Member since 2020
https://centennialwater.org/
Centennial Water & Sanitation District is the water and wastewater provider in Highlands Ranch. Centennial Water provides high quality water through the state-of-the-art Joseph B. Blake Water Treatment Plant located in Highlands Ranch. Centennial Water strives to ensure that water resources are used wisely, with a strategy to optimize the use of surface water. Over the past 25 years 90 percent of the water supplied has come from renewable river supplies.
Hilton Head Public Service District
Water Supplier (Retail/Wholesale)
Hilton Head, SC
Member since 2024
https://hhpsd.com/
Hunter Industries
Business & Industry, Business and Industry (Manufacturers, Distributors)
San Marcos, CA
Member since 2008
https://www.hunterindustries.com/
Hunter Industries is a family-owned global company that provides high quality, efficient solutions for the irrigation, outdoor lighting, and custom molding industries.
Illinois Environmental Council
Affiliate (Universities, NGOs, Other Nonprofits)
Springfield, IL
Member since 2024
https://ilenviro.org/
Indian Wells Valley Water District
Water Supplier (Retail)
Ridgecrest, CA
Member since 2018
https://www.iwvwd.com
The mission of the Indian Wells Valley Water District is to deliver the highest quality water at the best possible price while continuing to serve as respectful stewards of the environment. The vision of the Indian Wells Valley Water District is to provide for self-sustaining water resources now and for generations to come.
Inland Empire Utilities Agency
Water Supplier (Wholesale)
Chino Hills, CA
Member since 2008
https://www.ieua.org/
Inland Empire Utilities Agency (IEUA) is a regional wastewater treatment agency and wholesale distributor of imported water. Today, IEUA is responsible for serving approximately 875,000 people over 242 square miles in western San Bernardino County.
Institute for Sustainable Futures
Affiliate (Universities, NGOs, Other Nonprofits)
Sydney, NSW, Australia
Member since 2009
https://www.uts.edu.au/research-and-teaching/our-research/institute-sustainable-futures
Institute for Sustainable Futures is a university research institute that has been creating change by conducting independent project based research for Australian and international clients since 1997.
Institute for Sustainable Infrastructure
Affiliate (Universities, NGOs, Other Nonprofits)
Washington, DC
Member since 2024
https://sustainableinfrastructure.org/
International Association of Plumbing and Mechanical Officials
Affiliate (Universities, NGOs, Other Nonprofits)
Ontario, CA
Member since 2008
https://www.iapmo.org/
The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for ninety years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world.
Inverness Water & Sanitation District
Water Supplier (Retail)
Englewood, CO
Member since 2020
https://www.invernesswater.org/
The Inverness Water and Sanitation District provides water and wastewater services to the businesses and residents of the Inverness Community. The District's operating objectives include:
- Provide reliable, safe, high quality drinking water to customers.
- Maximize the use of sustainable (renewable) water sources.
- Maximize the re-use of treated wastewater to meet irrigation demands.
- Encourage conservation through education, incentives and conservation based pricing.
Irrigation Association
Affiliate (Universities, NGOs, Other Nonprofits)
Fairfax, VA
Member since 2019
https://www.irrigation.org/
The Irrigation Association is the leading membership organization for irrigation equipment and system manufacturers, dealers, distributors, designers, consultants, contractors and end users. The IA is dedicated to promoting efficient irrigation technologies, products and services.
Irrigreen
Business & Industry, Business and Industry (Manufacturers, Distributors)
Minneapolis, MN
Member since 2025
https://irrigreen.com
Irvine Ranch Water District
Water Supplier (Retail)
Irvine, CA
Member since 2012
https://www.irwd.com/
Established in 1961 as a California Water District under the provisions of the state of California Water Code, the Irvine Ranch Water District is an independent special district serving Central Orange County, California. IRWD provides high-quality drinking water, reliable wastewater collection and treatment, ground-breaking recycled water programs, and environmentally sound urban runoff treatment to more than 380,000 residents.
JEA
Water Supplier (Retail/Wholesale)
Jacksonville, FL
Member since 2022
https://www.jea.com/
JEA is located in Jacksonville, Florida and serves an estimated 478,000 electric, 357,000 water, 279,000 sewer customers and 15,000 reclaimed water customers.
Jordan Valley Water Conservancy District
Water Supplier, Water Supplier (Retail/Wholesale)
West Jordan, UT
Member since 2024
https://jvwcd.org/
Judicial Council of California
Government (Federal, State/Province, Local)
Sacramento, CA
Member since 2020
https://www.courts.ca.gov/
The Judicial Council is the policymaking body of the California courts, the largest court system in the nation. Under the leadership of the Chief Justice and in accordance with the California Constitution, the council is responsible for ensuring the consistent, independent, impartial, and accessible administration of justice. Judicial Council staff help implement the council’s policies.
Jurupa Community Services District
Water Supplier (Retail)
Jurupa Valley, CA
Member since 2018
https://www.jcsd.us/
Jurupa Community Services District (JCSD) has been serving the Jurupa area since 1956. JCSD was originally formed to install a sewer system for the area.The first JCSD Board of Directors was elected into office in 1956. The Board of Directors and staff of JCSD, in order to ensure a continuing supply of good quality water for current citizens and also provide for future development.
Kane County
Government (Federal, State/Province, Local)
Geneva, IL
Member since 2012
https://www.countyofkane.org/FDER/Pages/ewrdiv.aspx
The mission of the Kane County Division of Environmental and Water Resources is to develop, evaluate, and implement programs to protect the health, safety and welfare of their residents and the environment. These programs include the Countywide Stormwater Management Program, the Recycling and Waste Recovery Program, Energy and Resource Conservation Programs, and other environmental activities and special projects.
Kern County Water Agency
Water Supplier (Wholesale)
Bakersfield, CA
Member since 2018
https://www.kcwa.com/
The Kern County Water Agency (Agency) was created in 1961 by a special act of the California State Legislature and serves as the local contracting entity for the State Water Project. The Agency participates in a wide scope of water management activities, including water quality, flood control and groundwater operations to preserve and enhance Kern County’s water supply—the main ingredient for the well-being of an economy.
Kerr Wood Leidal Associates
Business and Industry (Consulting Firms, Businesses)
Victoria, British Columbia, Canada
Member since 2020
https://www.kwl.ca/
Kerr Wood Leidal has been providing leading water engineering services to the municipal infrastructure and resource development fields since 1975.
Kohler Co.
Business & Industry, Business and Industry (Manufacturers, Distributors)
Kohler, WI
Member since 2009
https://www.us.kohler.com/us/
Since 1873, Kohler Co. has been improving the level of gracious living by providing exceptional products and services for customers’ homes and lifestyles. They strive for better business and a better world, whether it's beautiful kitchen and bath products, innovative engines and generators, memorable hospitality offerings, or developing clean water, sanitation, and community development solutions around the world.
Kunkel Water Efficiency Consulting
Business and Industry (Consulting Firms, Businesses)
Hershey, PA
Member since 2015
Kunkel Water Efficiency Consulting provides expert services on the technologies and policies for effective water loss control in drinking water utilities; allowing them to control water and energy losses while maximizing revenues by improving customer metering and billing practices.
Laguna Beach County Water District
Water Supplier (Retail)
Laguna Beach, CA
Member since 2020
https://www.lbcwd.org/
The Laguna Beach County Water District is a nonprofit, local government agency that provides reliable, safe, and prudently-managed retail water service to customers within the District's service area.
Lake Arrowhead Community Services District
Water Supplier (Retail)
Lake Arrowhead, CA
Member since 2010
https://www.lakearrowheadcsd.com/
The mission of the Lake Arrowhead Community Services District is to provide exceptional water and wastewater services while protecting water resources and preserving the environment. The District provides water service to the Lake Arrowhead community and wastewater services to customers in the Lake Arrowhead and surrounding communities. The District serves approximately 8,500 water connections and 10,500 wastewater connections.
Lakehaven Water and Sewer District
Water Supplier (Retail)
Federal Way, WA
Member since 2009
https://www.lakehaven.org
The District has, under one name or another, provided service to the Federal Way area for more than 50 years. The water system includes 400 miles of mainline, 22 wells and 12 storage tanks with an approximate storage capacity of 31 million gallons. The average daily pumping rate is about 10.6 million gallons per day.
Lakeway Municipal Utility District
Water Supplier (Retail)
Lakeway, TX
Member since 2008
https://www.lakewaymud.org
Lakeway Municipal Utility District (LMUD), established in 1972, provides water, wastewater and some reuse services to many of the homes and businesses in the City of Lakeway and a portion of the Village of the Hills. LMUD serves over 4,200 water customers and over 3,000 wastewater customers.
Las Virgenes Municipal Water District
Water Supplier (Retail)
Calabasas, CA
Member since 2015
https://www.lvmwd.com/home
Las Virgenes Municipal Water District provides potable water, wastewater treatment, recycled water and biosolids composting to more than 75,000 residents in the cities of Agoura Hills, Calabasas, Hidden Hills, Westlake Village, and unincorporated areas of western Los Angeles County.
Liberty Utilities
Water Supplier (Retail)
Camden, NJ
Member since 2009
https://libertyutilities.com/
Liberty Utilities is a regulated water, wastewater, natural gas, electric and propane/air utility company providing local utility management, service and support to small and mid-sized communities across the United States.
Linda County Water District
Water Supplier (Retail)
Marysville, CA
Member since 2025
https://lindawater.com/
Little Thompson Water District
Water Supplier, Water Supplier (Retail)
Berthoud, CO
Member since 2026
https://www.littlethompsonwd.gov/
LIXIL/American Standard Brands
Business and Industry (Manufacturers, Distributors)
Piscataway, NJ
Member since 2008
https://www.americanstandard-us.com/press-room/press-releases/2017/01/10/lixil-corporate-overview
LIXIL provides products and services globally through several businesses, including LIXIL Americas. The LIXIL business is a global market leader in the Kitchen & Bath industry, and covers the full range of products across designs, technologies and price points. LIXIL is represented by its powerful range of brands, including GROHE, American Standard, DXV, LIXIL, and INAX. LIXIL continues to develop innovative products, leveraging the strengths of LIXIL Group companies.
Lombardo Associates
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Newton, MA
Member since 2025
https://www.LombardoAssociates.com
Lone Star Groundwater Conservation District
Government (Federal, State/Province, Local)
Conroe, TX
Member since 2009
https://www.lonestargcd.org/
The mission of the Lone Star Groundwater Conservation District is to manage and protect the groundwater resources of Montgomery County and to work with others to ensure a sustainable, high-quality, and cost-effective water supply for current and future needs.
Long Beach Utilities
Water Supplier (Retail/Wholesale)
Long Beach, CA
Member since 2017
https://lbwater.org/
For the last 100 years, the Long Beach Water Department has provided Long Beach residents with high-quality, reliable drinking water. Today, the department supplies water and sewer services to nearly half a million people in a service area that covers more than 50 square miles.
Los Alamos County Department of Public Utilities
Water Supplier, Water Supplier (Retail)
Los Alamos, NM
Member since 2024
https://www.losalamosnm.us/Government/Departments-and-Divisions/Department-of-Public-Utilities
Los Alamos National Laboratory
Government (Federal, State/Province, Local)
Los Alamos, NM
Member since 2024
https://www.lanl.gov/
Los Angeles County Waterworks District
Water Supplier (Retail)
Alhambra, CA
Member since 2018
https://dpw.lacounty.gov/wwd/web/
The Los Angeles County Waterworks Districts (LACWD) supplies water to approximately 240,000 people, LACWD is able to maintain quality customer care and encourage environmentally responsible behavior. Their goal is to not only provide a reliable water source, but also to educate customers and community members on easy water-saving practices.
Los Angeles Department of Water & Power
Water Supplier (Retail)
Los Angeles, CA
Member since 2014
https://www.ladwp.com/
LADWP is committed to providing clean, reliable water and power and excellent customer service in a safe, environmentally responsible and cost-effective manner.
Los Osos Community Services District
Water Supplier (Retail)
Los Osos, CA
Member since 2021
https://www.losososcsd.org/
The Los Osos Community Services District provides the best possible services to the community of Los Osos including water, drainage, parks and recreation, street lighting for Vista De Oro and Bayridge Estates, fire emergency and rescue response.
Lower Colorado River Authority
Water Supplier (Wholesale)
Austin, TX
Member since 2008
https://www.lcra.org/Pages/default.aspx
LCRA provides many vital services to Texans, including delivering electricity, managing the water supply and environment of the lower Colorado River basin, providing public recreation areas, and supporting community development. LCRA’s mission is to enhance the quality of life of Texans through water stewardship, energy and community service.
M.Cubed
Business and Industry (Consulting Firms, Businesses)
Oakland, CA
Member since 2009
https://www.mcubed-econ.com/
M. Cubed, founded in 1993, provides economic and public policy consulting services to public and private sector clients. Practice areas include water and energy utility resource planning and ratemaking, resource use efficiency and conservation measures, project impact analysis, regional economic modeling, natural resource allocation policies, and environmental plan preparation and review.
Maddaus Water Management
Business and Industry (Consulting Firms, Businesses)
Danville, CA
Member since 2009
https://maddauswatermanagement.com/index.html
MWM has spent over 20 years serving clients and making a difference in water in the world, having completed over 300 projects, presented approximately 100 professional papers, and published four books.
Madison Water Utility
Water Supplier (Retail)
Madison, WI
Member since 2009
https://www.cityofmadison.com/water
Founded as a public utility in 1882, Madison Water Utility is proud to bring safe, high-quality water to more than 250,000 people across Madison, Shorewood Hills, Blooming Grove, Maple Bluff, parts of Fitchburg, the Town of Madison, and the Town of Burke. Their water comes from a deep aquifer beneath Madison and is pumped to the surface by 22 wells located across the city.
MaP Testing
Business and Industry (Consulting Firms, Businesses)
Acton, Ontario, Canada
Member since 2012
https://www.map-testing.com/
From toilet reviews and flush ratings, to water usage reports and efficiency grades, MaP is an industry-leading provider of the most current plumbing data.
Marin Municipal Water District
Water Supplier (Retail)
Corte Madera, CA
Member since 2008
https://www.marinwater.org/
Established in 1912, the Marin Municipal Water District provides high-quality drinking water to 190,300 customers in central and southern Marin County. Seventy-five percent of their water comes from more than 21,600 acres of protected watershed on Mt. Tamalpais and in the grassy hills of west Marin.
Marina Coast Water District
Water Supplier (Retail)
Marina, CA
Member since 2012
https://www.mcwd.org/
The Marina Coast Water District's Central Marina and Ord Community water service areas overlie portions of the Monterey Subbasin, the 180/400 Foot Aquifer Subbasin, and part of the Seaside Adjudicated Basin. Three of the District wells are located in Central Marina and five wells are in the Ord Community.
Massachusetts Department of Conservation and Recreation
Government (Federal, State/Province, Local)
Boston, MA
Member since 2017
https://www.mass.gov/orgs/department-of-conservation-recreation
The Department of Conservation and Recreation manages state parks and oversees more than 450,000 acres throughout Massachusetts. It protects, promotes, and enhances the state’s natural, cultural, and recreational resources.
Massachusetts Rivers Alliance
Affiliate (Universities, NGOs, Other Nonprofits)
Somerville, MA
Member since 2025
https://www.massriversalliance.org/