Serving 534 Members
93
Affiliate (Universities, NGOs, Other Nonprofits)
89
Business & Industry
352
Water Supplier
Massachusetts Water Resources Authority
Water Supplier (Wholesale)
Boston, MA
Member since 2012
https://www.mwra.com
Massachusetts Water Resources Authority is a public authority established by an act of the Legislature in 1984 to provide wholesale water and sewer services to 3.1 million people and more than 5,500 large industrial users in 61 metropolitan Boston communities.
Maureen Erbeznik & Associates
Business and Industry (Consulting Firms, Businesses)
Los Angeles, CA
Member since 2008
A women-owned consulting firm specializing in program design, implementation and marketing services for energy and water efficiency programs.
McHenry County Government
Government (Federal, State/Province, Local)
Woodstock, IL
Member since 2009
https://www.mchenrycountyil.gov/
McHenry County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 308,760, making it the sixth-most populous county in Illinois. Its county seat is Woodstock.
Medford Water
Water Supplier (Retail/Wholesale)
Medford, OR
Member since 2012
https://www.medfordwater.org/
The Medford Water Commission operates and maintains the water system that delivers high-quality drinking water to around 136,000 Rogue Valley residents. The Commission directly serves customers in the City of Medford and the unincorporated community of White City. The cities of Ashland, Central Point, Eagle Point, Jacksonville, Phoenix and Talent are served on a wholesale basis. Additionally, two domestic water districts purchase water from the Commission.
Melbourne Water
Water Supplier (Wholesale)
Melbourne, Victoria, Australia
Member since 2010
https://www.melbournewater.com.au/
Melbourne Water is a statutory authority owned by the Victorian Government. They manage and protect Melbourne’s major water resources on behalf of the community. As a leader in world class integrated water, sewerage, waterways and amenity management, they're committed to making sure the city continues to thrive while adapting to climate change, urbanisation and population growth.
Meridian Service Metropolitan District
Water Supplier (Retail)
Falcon, CO
Member since 2020
https://www.meridianranchmetro.org/
The Meridian Service Metropolitan District is the “Service District” providing the water, wastewater (sanitation sewer) services, parks, trails, recreation facilities, and streetlights for the Meridian Ranch Community.
Mesa Water District
Water Supplier (Retail)
Costa Mesa, CA
Member since 2019
https://www.mesawater.org/
Mesa Water District strives to deliver high-quality drinking water to customers taps, maintain a safe, reliable water infrastructure and system, and provide excellent service to ensure customer satisfaction. They supply water to 110,000 residents in an 18-square-mile area. The service area includes Costa Mesa, parts of Newport Beach, and some unincorporated areas of Orange County, including John Wayne Airport.
Metropolitan North Georgia Water Planning District
Government (Federal, State/Province, Local)
Atlanta, GA
Member since 2008
https://northgeorgiawater.org/
Since its creation in 2001, the Metropolitan North Georgia Water Planning District (Metro Water District) has implemented one of the most comprehensive regional water management plans in the country. It is staffed by the Atlanta Regional Commission (ARC) and includes 15 counties and 95 cities. It is the only major metropolitan area in the country with more than 100 jurisdictions implementing a long-term comprehensive water management program that is required and enforced.
Metropolitan Water District of Southern California
Water Supplier (Wholesale)
Los Angeles, CA
Member since 2008
https://mwdh2o.com/
Metropolitan built and maintains a water supply system that is the cornerstone of the region’s $1 trillion economy. As the nation’s largest municipal water provider, Metropolitan owns and operates five separate treatment plants, among the largest in the world. The district’s complex network of pipelines and facilities consistently delivers high quality water throughout its 5,200 square mile service area. Rigorous maintenance and regular capital investments ensure Metropolitan’s customers benefit from reliable service and advancements in water supply and water quality technology, including state-of-the-art treatment upgrades.
Mid-Peninsula Water District
Water Supplier (Retail)
Belmont, CA
Member since 2008
https://www.midpeninsulawater.org/
For more than 85 years, the Mid-Peninsula Water District (MPWD) has provided its customers with safe, quality water. Along with this unwavering commitment, we also offer friendly, professional service. The mission of the MPWD is to deliver a safe, high-quality, reliable supply of water for current and future generations in a cost-effective, environmentally-sensitive, and efficient manner.
Midwest Energy Efficiency Alliance
Affiliate (Universities, NGOs, Other Nonprofits)
Chicago, IL
Member since 2024
https://www.mwalliance.org/
Minnesota Department of Natural Resources
Government (Federal, State/Province, Local)
St. Paul, MN
Member since 2026
https://www.dnr.state.mn.us/
Mojave Water Agency
Water Supplier (Wholesale)
Apple Valley, CA
Member since 2018
https://www.mojavewater.org/
The MWA's boundaries encompass approximately 4,900 square miles of the High Desert in San Bernardino County. As a state water contractor, MWA is entitled to receive an annual allotment of up to 85,800 acre feet of water from the State Water Project via the California Aqueduct. This facility extends south from the Sacramento Delta and runs locally through the communities of Baldy Mesa and Hesperia.
Monte Vista Water District
Water Supplier (Retail)
Montclair, CA
Member since 2010
https://www.mvwd.org/
Monte Vista Water District (MVWD), a county water district formed in 1927, provides retail and wholesale water supply services to a population of over 130,000 within a 30-square mile area, including the communities of Montclair, Chino Hills, portions of Chino and the unincorporated area lying between the cities of Pomona, Chino Hills, Chino and Ontario.
Montecito Water District
Water Supplier, Water Supplier (Retail)
Montecito, CA
Member since 2022
https://montecitowater.com/
Monterey Peninsula Water Management District
Government (Federal, State/Province, Local)
Monterey, CA
Member since 2009
https://www.mpwmd.net/
Since 1978, The Monterey Peninsula Water Management District has worked diligently to augment the area’s water supply, promote water conservation and the integrated use of reclaimed water and repair, improve and augment the environment along local streamside habitats.
Moulton Niguel Water District
Water Supplier (Retail)
Laguna Niguel, CA
Member since 2015
https://www.mnwd.com/
Moulton Niguel Water District provides water, recycled water, and wastewater treatment service to more than 170,000 customers in Laguna Niguel, Aliso Viejo, Laguna Hills, Mission Viejo, Dana Point and San Juan Capistrano. They are dedicated to providing communities with safe, reliable, and high-quality water services.
Municipal Water District of Orange County
Water Supplier (Wholesale)
Fountain Valley, CA
Member since 2018
https://www.mwdoc.com/
The MWDOC's mission is to provide reliable, high-quality supplies from Metropolitan Water District of Southern California and other sources to meet present and future needs at an equitable and economical cost, and to promote water use efficiency for all of Orange County.
Myoma Dunes Water Company
Water Supplier (Retail)
Bermuda Dunes, CA
Member since 2019
https://www.myomawater.com/
Myoma Dunes Water Company has provided drinking water to the Bermuda Dunes area since 1953. They are a small mutual water company serving approximately 2,450 residents in parts of Bermuda Dunes and La Quinta area.
Namara Water
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Encinitas, CA
Member since 2024
https://namara.ae/
National Association of Landscape Professionals
Affiliate (Universities, NGOs, Other Nonprofits)
Fairfax, VA
Member since 2024
https://landscapeprofessionals.org/
National Turfgrass Evaluation Program
Affiliate (Universities, NGOs, Other Nonprofits)
Beltsville, MD
Member since 2009
https://www.ntep.org/ntep/contents2.shtml
The National Turfgrass Evaluation Program (NTEP) is designed to develop and coordinate uniform evaluation trials of turfgrass varieties and promising selections in the United States and Canada. Test results can be used by national companies and plant breeders to determine the broad picture of the adaptation of a cultivar. Results can also be used to determine if a cultivar is well adapted to a local area or level of turf maintenance.
National Wildlife Federation
Affiliate (Universities, NGOs, Other Nonprofits)
Reston, VA
Member since 2018
https://www.nwf.org/
The National Wildlife Federation, America's oldest and largest conservation organization, works across the country to unite Americans from all walks of life in giving wildlife a voice. They've been on the front lines for wildlife since 1936, fighting for the conservation values that are woven into the fabric of our nation's collective heritage.
NEOPERL
Business and Industry (Manufacturers, Distributors)
Waterbury, CT
Member since 2008
https://www.neoperl.com/default.aspx
NEOPERL® offers products that shape and control water streams, meet flow rate regulations, protect from backflow and facilitate compliance with Codes and Standards.
Nevada Irrigation District
Water Supplier
Grass Valley, CA
Member since 2025
https://www.nidwater.com/
New Braunfels Utilities
Water Supplier (Retail)
New Braunfels, TX
Member since 2019
https://nbutexas.com/
New Braunfels Utilities is one of 2,000 community-owned, nonprofit, public power electric utilities in the nation. New Braunfels Utilities is governed by a Board of Trustees made up of local residents appointed by the New Braunfels City Council.
New Mexico Water Conservation Alliance
Affiliate (Universities, NGOs, Other Nonprofits)
Santa Fe, NM
Member since 2016
https://nmwca.org/
New Mexico Water Conservation Alliance (NMWCA) is a 501(c)(3) non-profit organization whose goal is to promote water conservation education, innovation and ideas throughout the State of New Mexico. The alliance is composed of individuals from industry, commercial, water providers and municipalities.
New York City
Water Supplier, Water Supplier (Retail/Wholesale)
Newark, NJ
Member since 2026
https://www.nyc.gov/main
Niagara Conservation Corporation
Business & Industry, Business and Industry (Manufacturers, Distributors)
Flower Mound, TX
Member since 2008
https://pro.niagaracorp.com/?utm_source=A4WE&utm_medium=web&utm_campaign=A4WE_Membership+Page
The Niagara name has become synonymous with innovative conservation for a growing customer base of utility companies, government leaders, energy management officials, and eco/cost-conscious homeowners and developers. Today—as climate change, population growth, and record droughts present an unprecedented strain on our water supply—Niagara is doubling down on their purpose and pushing their technology to invent new ways for customers to conserve water without sacrificing performance.
Nipomo Community Services District
Water Supplier (Retail)
Nipomo, CA
Member since 2018
https://ncsd.ca.gov/
The Nipomo Community Services District’s mission is to provide its customers with reliable, quality, and cost-effective services now and in the future.
North Coast County Water District
Water Supplier (Retail)
Pacifica, CA
Member since 2018
https://www.nccwd.com/
The North Coast County Water District has been providing water to the residents of the City of Pacifica since 1944. The commitment expressed in their slogan: "Safe Drinking Water is our Business" has been maintained for more than 74 years due to the dedication and commitment of a series of qualified directors and staff. The staff and all employees of the Water District are committed to providing prompt, efficient and courteous customer service.
North Fort Bend Water Authority
Government (Federal, State/Province, Local)
Houston, TX
Member since 2009
https://www.nfbwa.com/
Established by the Texas Legislature in May 2005, the North Fort Bend Water Authority was created to assist in converting the region within its boundaries from using groundwater to predominantly surface water in order to combat subsidence. The Authority acquires, develops and delivers a long-term supply of potable surface water to users.
North Marin Water District
Water Supplier (Retail)
Novato, CA
Member since 2008
https://www.nmwd.com/
North Marin Water District serves a suburban population of 61,000 people situated in and about the City of Novato which is located in a warm inland coastal valley of Marin County, California and several small improvement districts in the West Marin area near the coast. They provide an adequate supply of safe, reliable and high quality water and deliver reliable and continuous sewer service to customers at reasonable cost consistent with good conservation practices and minimum environmental impact.
North Texas Municipal Water District
Water Supplier (Wholesale)
Wylie, TX
Member since 2008
https://www.ntmwd.com/
Since its inception more than six decades ago, NTMWD has collaborated with North Texas cities and communities on the design and operation of systems. The ten original Member Cities are: Farmersville, Forney, Garland, McKinney, Mesquite, Princeton, Plano, Rockwall, Royse City, and Wylie. Richardson joined as a Member City in 1973, Allen in 1998, and Frisco in 2001. This regional partnership has reduced costs, facilitated access to water, wastewater and solid waste services to communities large and small, and streamlined service delivery.
In Partnership with AWE
NTMWD was featured in AWE's Exemplary Programs Series webinar, School and Youth Conservation Programs to Educate Tomorrow's Water Warriors. Click here to watch the webinar and download the presentation. Contact: Denise Hickey, Water Resource Program & Public Education Manager.
Northern Water
Water Supplier (Wholesale)
Berthoud, CO
Member since 2020
https://www.northernwater.org/
With growth continuing in Northeastern Colorado, Northern Water now serves more than 1 million residents within its service area. This area encompasses 1.6 million areas in portions of eight counties: Boulder, Broomfield, Larimer, Logan, Morgan, Sedgwick, Washington and Weld.
Northern Water provides cities, towns, rural-domestic water districts and industries with year-round water deliveries. Furthermore, during the primary growing season between April and October, they also deliver water to more than 120 ditch, reservoir and irrigation companies serving thousands of farms and more than 500,000 acres.
NOWI Sensors
Business & Industry, Business and Industry (Manufacturers, Distributors)
Stonington, CT
Member since 2026
https://nowisensors.com/en-ca?srsltid=AfmBOoqmSsp7TGzyfYoegknQ-76nPo4MuWYI5fEoJbzFz_q9C4c0zrfb
Ohio Department of Natural Resources
Government (Federal, State/Province, Local)
Columbus, OH
Member since 2023
https://ohiodnr.gov/
A department of incredible diversity, ODNR owns and manages more than 800,000 acres of land, including 75 state parks, 24 state forests, 143 state nature preserves and 150 wildlife areas. The department also has jurisdiction over more than 120,000 acres of inland waters; 7,000 miles of streams; 481 miles of Ohio River; and 2.25 million acres of Lake Erie.
Ohio Environmental Council
Affiliate (Universities, NGOs, Other Nonprofits)
Columbus, OH
Member since 2024
https://theoec.org/
Ohio Water Partnership
Affiliate (Universities, NGOs, Other Nonprofits)
Columbus, OH
Member since 2024
https://ohiowaterpartnership.com/
Oildale Mutual Water Company
Water Supplier, Water Supplier (Retail)
Bakersfield, CA
Member since 2026
https://www.oildalewater.com/
Oldcastle Infrastructure
Business & Industry
Atlanta, Georgia
Member since 2025
https://oldcastleinfrastructure.com/
Ontario Municipal Utilities Company
Water Supplier (Retail)
Ontario, CA
Member since 2010
https://www.ontarioca.gov/omuc
The Ontario Municipal Utilities Company is committed to providing quality work and exceptional customer service to the residents and businesses of Ontario.
Orange County Utilities
Water Supplier (Retail)
Orlando, FL
Member since 2016
https://utilities.ocfl.net/OCUD/
Orange County is a county in the state of Florida. As of the 2010 census, the population was 1,145,956, making it Florida's fifth-most populous county. The county seat is Orlando. Orange County is the central county of the Orlando-Kissimmee-Sanford, Florida Metropolitan Statistical Area.
Orange County Water District
Water Supplier (Wholesale)
Fountain Valley, CA
Member since 2018
https://www.ocwd.com/
The Orange County Water District (OCWD) is an internationally recognized leader in the water industry and its international reach is growing. OCWD takes the limited water supply found in nature and supplements it to provide water for more than 2.5 million people in Orange County, California. Since 1933, when the California State Legislature formed it, OCWD has been entrusted to guard the region's groundwater basin.
Orchard Dale Water District
Water Supplier (Retail)
Whittier, CA
Member since 2024
https://www.odwd.org
Orlando Utilities Commission
Water Supplier (Retail)
Orlando, FL
Member since 2011
https://www.ouc.com/
Over the last century, as Orlando evolved from a small town into a vibrant city, OUC–The Reliable One has been a community backbone, serving residential and commercial customers with dependable, low-cost electric and water services.
Otay Water District
Water Supplier (Retail)
Spring Valley, CA
Member since 2011
https://otaywater.gov/
Otay’s mission is to provide exceptional water and wastewater services to its customers, and to manage District resources in a transparent and fiscally responsible manner.
Pacific Institute
Affiliate (Universities, NGOs, Other Nonprofits)
Oakland, CA
Member since 2023
https://pacinst.org/
Padre Dam Municipal Water District
Water Supplier (Retail)
Santee, CA
Member since 2019
https://www.padredam.org/
Padre Dam provides water, wastewater, recycled water and recreation services to 100,000 residents in the San Diego suburbs of Santee, El Cajon, Lakeside, Flinn Springs, Harbison Canyon, Blossom Valley, Alpine, Dehesa and Crest.
Palmdale Water District
Water Supplier (Retail)
Palmdale, CA
Member since 2025
https://www.palmdalewater.org/
Park City Municipal Corporation
Water Supplier (Retail)
Park City, UT
Member since 2015
https://www.parkcity.org/home
Park City Municipal Corporation has set the goal for Park City, Utah to become "The Best Resort Town in America.” In addition to this goal they have become known for event hosting. From sporting and cultural events, sun to snow, and international to local, Park City has hosted a multitude of events.
Parker Water & Sanitation District
Water Supplier (Retail)
Parker, CO
Member since 2020
https://www.pwsd.org/
Established in 1962, Parker Water and Sanitation District has always been proactive in its objectives to provide an ever-growing population with a secure and long-term, high-quality water service. Today, through the construction of the Rueter-Hess Reservoir, the building of District's water purification facility, and collaborative partnerships, the District is determined to continue meeting demands by developing the necessary infrastructure to acquire, treat, store, and distribute water to all of its customers.
Pasadena Water & Power
Water Supplier (Retail)
Pasadena, CA
Member since 2009
https://ww5.cityofpasadena.net/water-and-power/
Pasadena Water and Power is a community enterprise that has always been essential to the health, economy and quality of life in Pasadena. Today, PWP provides electricity to more than 65,000 customers within Pasadena. They also deliver water to almost 38,000 households and businesses in Pasadena and adjacent communities in the San Gabriel Valley.
Pearl Certification
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Charlottesville, VA
Member since 2025
https://pearlcertification.com/
Pete DeMarco
Individual (Unaffiliated Citizen, Information-Only)
Dayton, NJ
Member since 2012
Philadelphia Water Department
Water Supplier (Retail/Wholesale)
Philadelphia, PA
Member since 2014
https://www.phila.gov/water/pages/default.aspx
Whether providing safe water for residents to drink, supplying water for industries to manufacture goods, or protecting the region's water resources, serving customers with quality has been Philadelphia Water's commitment throughout their nearly 200-year history.
Pinery Water & Wastewater District
Water Supplier (Retail)
Parker, CO
Member since 2020
https://pinerywater.com/
Pinery Water & Wastewater District serves the communities of the Pinery, Timbers, Misty Pines, Pinery Glen, High Prairie Farms, Pradera, Vistancia, and Colorado Golf Club. There are currently about 4300 residential customers, 90 large irrigator and commercial customers.
Placer County Water Agency
Water Supplier (Retail/Wholesale)
Auburn, CA
Member since 2018
https://www.pcwa.net/
Placer County Water Agency (PCWA) is the primary water resource agency for Placer County, California, with a broad range of responsibilities including water resource planning and management, retail and wholesale supply of drinking water and irrigation water, and production of hydroelectric energy.
Plumbing Manufacturers International
Affiliate (Universities, NGOs, Other Nonprofits)
McLean, VA
Member since 2008
https://www.safeplumbing.org/
Safe, responsible plumbing. Always. Plumbing Manufacturers International pursues this vision every day, as it advocates for safe, water-efficient products meeting high safety and performance standards.
Plumbing-Heating-Cooling Contractors–National Association
Affiliate (Universities, NGOs, Other Nonprofits)
Falls Church, VA
Member since 2019
https://www.naphcc.org
The premiere organization for the p-h-c professional, PHCC provides legislative advocacy, education and training to approximately 3,300 plumbing and HVACR open shop and union businesses and 65,000 technicians. Their members work in the residential, commercial, new construction, industrial and service and repair segments of the construction industry.
Plummer Associates
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Fort Worth, TX
Member since 2024
https://www.plummer.com
Polk County Utilities
Water Supplier (Retail)
Winter Haven, FL
Member since 2018
https://www.polk-county.net/utilities
Polk County Utilities provides safe drinking water, wastewater collection, and treatment systems to nearly 65,750 accounts in unincorporated communities throughout the county. In some service areas, this division also provides reclaimed water.
Portland Water Bureau
Water Supplier (Retail/Wholesale)
Portland, OR
Member since 2008
https://www.portlandoregon.gov/water/
The Water Bureau has delivered drinking water from the forest to customers’ faucets since 1895. Portland’s high quality water comes primarily from the Bull Run Watershed, an unfiltered surface water supply with rainfall that generates a highly reliable source for the region with two reservoirs and a capacity of more than 200 million gallons per day.
Procter & Gamble
Business & Industry, Business and Industry (Manufacturers, Distributors)
Cincinnatti, OH
Member since 2020
https://us.pg.com/
Procter & Gamble's brands are trusted in millions of living rooms, kitchens, laundry rooms, and bathrooms—and have been passed down from generation to generation. Over the course of 181 years, they’ve challenged convention, led innovation, and helped shape culture.