Serving 562 Members
95
Affiliate (Universities, NGOs, Other Nonprofits)
92
Business & Industry
374
Water Supplier
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/
Panhandle Groundwater Conservation District
Government (Federal, State/Province, Local)
White Deer, TX
Member since 2008
https://www.pgcd.us/
The Panhandle Groundwater Conservation District will strive to develop, promote and implement water conservation, augmentation and management strategies to protect water resources for the benefit of the citizens, economy, and environment of the District.
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.
Provo City
Water Supplier (Retail)
Provo, UT
Member since 2022
https://www.provo.org/home
Pump Pod USA
Business & Industry, Business and Industry (Manufacturers, Distributors)
Simi Valley, CA
Member since 2020
https://pumppodusa.com/
Pump Pod USA's goal is to provide every Fire Department in the world a cost effective, low tech reliable training apparatus or prop that has a need for full flow water training and water conservation, providing each battalion one 10’ mobile unit and each Regional Training Center a 20’ static unit for academies and testing.
Purissima Hills Water District
Water Supplier, Water Supplier (Retail)
Los Altos Hills, CA
Member since 2024
https://www.purissimawater.org
Rachio
Business & Industry, Business and Industry (Manufacturers, Distributors)
Denver, CO
Member since 2016
https://www.rachio.com/
Rachio believes people want beautiful, meaningful landscapes and also want them to be sustainable. This requires a unique balance of proper vegetation, landscape architecture, infrastructure and smart controllers. Their intelligent sprinkler controller is just the start, as Rachio strives to continue building things that ensure water is used efficiently around every home.
In Partnership with AWE
Rachio was featured in AWE's Innovations in Efficiency Showcase Series webinar, Accessing the Power of the Cloud to Drive Outdoor Water Savings. Click here to watch the webinar and download the presentation. Contact: Clay Kraus, Director of Market Development. Rachio donated smart irrigation controllers for AWE's Peak Day Water Demand Management Study. The study explores the viability of using remotely-controlled irrigation systems to reduce peak water demands and introduces a promising new approach.
Radian Developers
Business and Industry (Consulting Firms, Businesses)
Park City, UT
Member since 2012
https://www.raddevelopers.com/
Radian Developers helps companies collect, manage and make sense of information. From conservation program efficacy and billing data integration, to custom communications portals and integrated user experience design, Radian Developers works with clients to fully understand their needs and develop customized solutions that help drive their business’s to success.
Click here to learn about Open Channel Systems, a software developed by Radian Developers that combines demand analytics with water audit and communications tools to comprehensively manage finished water.
to learn about Open Channel Systems, a software developed by Radian Developers that combines demand analytics with water audit and communications tools to comprehensively manage finished water.
Rain Bird Corporation
Business & Industry, Business and Industry (Manufacturers, Distributors)
Tucson, AZ
Member since 2008
https://www.rainbird.com/
Rain Bird Corporation, a privately held company, was founded in 1933 during the agricultural boom in California. They are the leading global manufacturer and provider of irrigation products and services. Since the beginning, Rain Bird has produced and offered the industry’s broadest range of irrigation products for farms, golf courses, sports arenas, commercial developments and homes in more than 130 countries around the world.
In Partnership with AWE
Rain Bird was featured in AWE's Innovations in Efficiency Showcase Series webinar, Accessing the Power of the Cloud to Drive Outdoor Water Savings. Click here to watch the webinar and download the presentation. Contact: Luke Timmons, Product Manager - Commercial Central Control.
Rancho California Water District
Water Supplier (Retail)
Temecula, CA
Member since 2014
https://www.ranchowater.com/
Rancho California Water District (RCWD) is a local, independent "Special District," organized on August 16, 1965, operating pursuant to the California Water District Law, Division 13 of the California Water Code. From its inception in a one-room wooden building to its present facility, RCWD continues to plan for and meet the ever-changing water needs of a growing and diverse community.
Rangeview Metropolitan District
Water Supplier (Retail)
Watkins, CO
Member since 2020
https://rangeviewmetro.org/
The Rangeview Metropolitan District is a title 32 quasi municipal, political subdivision of the State of Colorado formed in 1986. Rangeview was organized to develop water resources, water systems and facilities, wastewater collection and treatment facilities for customers in its service area. The Rangeview service area covers approximately 40 square miles or approximately 24,000 acres of the Lowry Range. The Lowry Range is located in Southeastern Arapahoe County.
Region of Peel
Water Supplier (Retail)
Brampton, Ontario, Canada
Member since 2008
https://www.peelregion.ca/
The Region of Peel serves 1.4 million residents and approximately 173,000 businesses in Brampton, Caledon and Mississauga. Additionally, the Region of Peel operates two water treatment facilities and two wastewater treatment facilities, as well as pumping stations, reservoirs, watermains and sanitary sewers.
Regional Water Authority
Government (Federal, State/Province, Local)
Citrus Heights, CA
Member since 2010
https://rwah2o.org/
The Regional Water Authority (RWA) is a joint powers authority representing two dozen water providers and affiliates in the greater Sacramento region. Their mission is to serve and represent the regional water supply interests, and to assist members in protecting and enhancing the reliability, availability, affordability and quality of water resources.
Regional Water Providers Consortium
Affiliate (Universities, NGOs, Other Nonprofits)
Portland, OR
Member since 2013
https://www.regionalh2o.org/
The Regional Water Providers Consortium serves as a collaborative and coordinating organization to improve the planning and management of municipal water supplies in the greater Portland, Oregon metropolitan region. Formed in 1997, the Consortium serves the Multnomah, Clackamas, and Washington counties and is made up of 22 water providers. Together, these entities provide more than 80 percent of the Portland metropolitan area’s drinking water.
Reseau Environment
Affiliate (Universities, NGOs, Other Nonprofits)
Montreal, Quebec, Canada
Member since 2020
https://www.reseau-environnement.com/
Réseau Environnement is a non-profit organization resulting from the merger of two associations created more than 50 years ago. The association represents many environmental professionals from the public, parapublic and private sectors.
RESNET
Affiliate (Universities, NGOs, Other Nonprofits)
Moorpark, CA
Member since 2024
https://www.resnet.us/
Resource Innovations
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Half Moon Bay, CA
Member since 2025
https://www.resource-innovations.com/
Rincon del Diablo Municipal Water District
Water Supplier (Retail)
Escondido, CA
Member since 2016
https://rinconwater.org/
Rincon Water provides water services within specific boundaries. The district's boundary lines cross into various cities including the cities of Escondido, San Marcos, and San Diego as well as the unincorporated areas of San Diego County. Rincon Water’s service area is within the San Dieguito and Carlsbad watersheds as well as the Escondido Valley Ground Water Basin 9-9.
Riverside Public Utilities
Water Supplier (Retail)
Riverside, CA
Member since 2015
https://www.riversideca.gov/utilities/
Riverside Public Utilities is an award-winning consumer-owned water and electric utility that has been providing efficient, reliable services throughout the City of Riverside since 1895.
Roth Ecological Design International
Business and Industry (Consulting Firms, Businesses)
Honolulu, HI
Member since 2019
https://www.rothecological.com/
Roth Ecological Design International (REDI) is a leader in strategic water planning and green infrastructure design. They provide innovative and integrated solutions that address the global challenges of the 21st century to manage both water quality and quantity.
Rowland Water District
Water Supplier, Water Supplier (Retail)
Rowland Heights, CA
Member since 2024
https://@rwd.org
Roxborough Water and Sanitation District
Water Supplier (Retail)
Littleton, CO
Member since 2023
https://www.roxwater.org/
Roxborough Water & Sanitation District (RWSD), nestled in the foothills of the Rockies southwest Denver, is a water and wastewater utility serving over 11,000 customers. RWSD’s number one priority is providing safe, reliable, great tasting water to the community, and efficient wastewater collection and transmission to protect public health and the environment.
Rubidoux Community Services District
Water Supplier (Retail)
Jurupa Valley, CA
Member since 2018
https://www.rcsd.org/
Initially, the 4,000 citizens of the Western Riverside area, as it was commonly referred to, empowered the District with the purpose of planning, financing, and constructing a Wastewater Treatment Plant for their community. Presently, the District continues to provide water, wastewater and fire protection services to a community that has grown from 4,000 to over 26,000.
Sacramento County Water Agency
Water Supplier (Retail/Wholesale)
Sacramento, CA
Member since 2018
https://waterresources.saccounty.net/scwa/Pages/default.aspx
The Sacramento County Department of Water Resources provides drainage, flood control, and water supply services to various service areas of unincorporated Sacramento County and the Cities of Citrus Heights, Elk Grove and Rancho Cordova.
Sacramento Suburban Water District
Water Supplier (Retail)
Sacramento, CA
Member since 2012
https://www.sswd.org/home
The district's mission is to deliver a high quality, reliable supply of water and superior customer service at the lowest responsible water rate.
Saint Paul Regional Water Services
Water Supplier, Water Supplier (Retail/Wholesale)
St Paul, MN
Member since 2024
https://www.stpaul.gov/departments/saint-paul-regional-water-services
Salinas Valley Basin Groundwater Sustainability Agency
Government (Federal, State/Province, Local)
Carmel Valley, CA
Member since 2024
https://www.svbgsa.org
Salt Lake City, Department of Public Utilities
Water Supplier (Retail)
Salt Lake City, UT
Member since 2015
https://www.slc.gov/utilities/
Established in 1876, the Salt Lake City Department of Public Utilities is the oldest retail water provider in the West. They are committed to serving their customers and protecting the environment by delivering high-quality drinking water, managing flood control and storm water, collecting and treating wastewater to standards that exceed EPA regulations, and maintaining and enhancing public street lighting. They actively protect source waters in the Wasatch canyons watershed and promote conservation through efficient water use.
San Antonio Water System
Water Supplier (Retail/Wholesale)
San Antonio, TX
Member since 2008
https://www.saws.org/
SAWS is a public utility owned by the City of San Antonio. It was created in May 1992 through the consolidation of its three predecessor agencies: City Water Board (the previous city-owned water supply utility), City Wastewater Department (the city government department responsible for sewage collection and treatment), and Alamo Water Conservation and Reuse District (an independent city agency created to develop a system for reuse of treated wastewater). Since the formation of SAWS, San Antonio has been recognized nationally for its leadership in conservation and proactive water supply management, making San Antonio... Waterful.
In Partnership with AWE
SAWS was featured in AWE's Exemplary Programs Series webinar, Innoavtive Outdoor Water Conservation Programs. Click here to watch the webinar and download the presentation. Contact: Karen Guz, Director, Conservation.
San Bernardino Municipal Water
Water Supplier (Retail)
San Bernardino, CA
Member since 2024
https://www.sbmwd.org/
San Bernardino Valley Municipal Water District
Water Supplier (Wholesale)
San Bernardino, CA
Member since 2019
https://www.sbvmwd.com/
San Bernardino Valley Municipal Water District (Valley District) was formed in 1954 as a regional agency to plan a long-range water supply for the San Bernardino Valley. It imports water into its service area through participation in the State Water Project (SWP) and manages groundwater storage within its boundaries. Valley District covers about 353 square miles in southwestern San Bernardino County, about 60 miles east of Los Angeles, and has a population of about 698,000.
San Diego County Water Authority
Water Supplier (Wholesale)
San Diego, CA
Member since 2008
https://sdcwa.org/
The San Diego County Water Authority sustains a $231 billion regional economy and the quality of life for 3.3 million residents through a multi-decade water supply diversification plan, major infrastructure investments and forward-thinking policies that promote fiscal and environmental responsibility. A public agency created in 1944, the Water Authority delivers a safe and reliable wholesale water supply at an affordable cost to 24 retail water agencies, including cities, special districts and a military base.
San Dieguito Water District
Water Supplier (Retail)
Encinitas, CA
Member since 2011
https://encinitasca.gov/Government/Departments/San-Dieguito-Water-District
The San Dieguito Water District provides potable and recycled water to over 37,000 citizens in the communities of Leucadia, Old Encinitas, Cardiff, and portions of New Encinitas. The remainder of the City is served by the Olivenhain Municipal Water District. The San Dieguito Water District is a subsidiary district of the City of Encinitas. The City Council also serves as the Board of Directors of the District.
San Francisco Public Utilities Commission
Water Supplier (Retail/Wholesale)
San Francisco, CA
Member since 2011
https://sfwater.org/
San Francisco Public Utilities Commission provides retail drinking water & wastewater services to the City of San Francisco, wholesale water to three Bay Area counties, green hydroelectric & solar power to Hetch Hetchy electricity customers, and power to the residents & businesses of San Francisco through the CleanPowerSF program.
San Gabriel County Water District
Water Supplier, Water Supplier (Retail)
Irvine, CA
Member since 2024
https://sgcwd.com/
San Gabriel Valley Water Company
Water Supplier (Retail)
El Monte, CA
Member since 2018
https://www.sgvwater.com/
San Gabriel Valley Water Company is committed to doing their part to be good stewards of water supplies and to support their customer’s efforts, as well. As part of statewide efforts to become more water efficient, they have developed a number of programs that will help provide a reliable water supply for today and tomorrow.
San Jose Water Company
Water Supplier (Retail)
San Jose, CA
Member since 2015
https://www.sjwater.com/
Founded in 1866, San Jose Water is an investor owned public utility, and is one of the largest and most technically sophisticated urban water systems in the United States. They serve over 1 million people in the greater San Jose metropolitan area with high quality, life sustaining water with an emphasis on exceptional customer service. SJW also provides services to other utilities including operations and maintenance, billing, and backflow testing.
Santa Ana Watershed Project Authority
Affiliate (Universities, NGOs, Other Nonprofits)
Riverside, CA
Member since 2019
https://www.sawpa.org/
The Santa Ana Watershed Project Authority is joint power authority under California law, composed of five member agencies; Eastern Municipal Water District, Inland Empire Utilities Agency, Orange County Water District, San Bernardino Valley Municipal Water District, and Western Municipal Water District.
Santa Barbara County Water Agency
Government (Federal, State/Province, Local)
Santa Barbara, CA
Member since 2018
https://www.countyofsb.org/pwd/wateragency.sbc
The Santa Barbara County Water Agency manages a number of regional programs which include: (1) implementation and partial funding of operational programs such as the cloud seeding program, (2) implementation of the regional water efficiency program, and (3) development of county-wide hydrologic data and development of hydrologic models.
Santa Fe Irrigation District
Water Supplier, Water Supplier (Retail)
Rancho Santa Fe, CA
Member since 2023
https://www.sfidwater.org/
Santa Margarita Water District
Water Supplier (Retail)
Rancho Santa Margarita, CA
Member since 2014
https://www.smwd.com/
Santa Margarita Water District provides safe, reliable drinking water, recycled water and wastewater services to over 165,000 residents in eight unique communities: Mission Viejo, Rancho Santa Margarita and the communities of Coto de Caza, Las Flores, Ladera Ranch, Village of Sendero and Esencia, and Talega in San Clemente. The District is the second largest retail water agency in Orange County, by area, and third largest by customers served.
Save Water Save Money (UK)
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Middlesex, UK
Member since 2025
https://www.savewatersavemoney.co.uk/