Serving 565 Members
94
Affiliate (Universities, NGOs, Other Nonprofits)
88
Business & Industry
382
Water Supplier
Ohio Water Partnership
Affiliate (Universities, NGOs, Other Nonprofits)
Columbus, OH
Member since 2024
https://ohiowaterpartnership.com/
Oklahoma City, City of
Water Supplier (Retail/Wholesale)
Oklahoma City, OK
Member since 2016
https://www.okc.gov/departments/utilities
The Oklahoma City Utilities Department provides the services needed every day to operate a home or commercial property. The Utilities Department uses non-taxpayer money to operate and provide these quality-of-life services. Rather, the department operates on rate-payer fund: money received when utility bills are paid.
Oldcastle Infrastructure
Business & Industry
Atlanta, Georgia
Member since 2025
https://oldcastleinfrastructure.com/
Olympia, City of
Water Supplier (Retail)
Olympia, WA
Member since 2012
https://olympiawa.gov/
With an economic engine fueled to a great extent by state government, Olympia enjoys the benefits of a stable work force, engaged and educated community, and well-supported school system.
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.
Oro Valley Water Utility, Town of
Government (Federal, State/Province, Local)
Oro Valley, AZ
Member since 2019
https://orovalleyaz.gov/
Oro Valley is located in northern Pima County approximately three miles north of the Tucson city limits. Nestled between the Catalina and Tortolita mountain ranges, the town sits at an elevation of 2,620 feet and covers more than 36 square miles.
Incorporated in April 1974 and home to more than 43,565, the Town of Oro Valley employs the council-manager form of municipal government. Oro Valley is administered by a seven-member Town Council.
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.
Oxnard, City of
Water Supplier (Retail)
Oxnard, CA
Member since 2018
https://www.oxnard.org/city-department/publicworks/
The Public Works Department is dedicated to enhancing the quality of life in the City of Oxnard by providing the highest quality of public works services, facilities and infrastructure to meet the needs of the community.
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/
Palo Alto, City of
Water Supplier (Retail)
Palo Alto, CA
Member since 2010
https://www.cityofpaloalto.org/gov/depts/utl/residents/resources/water_resources/default.asp
Palo Alto’s water comes from the San Francisco Public Utilities Commission (SFPUC). This high quality water supply consists almost entirely of Sierra Nevada snowmelt delivered through the Hetch Hetchy water distribution system.
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.
Parker, City of
Water Supplier, Water Supplier (Retail)
Parker, TX
Member since 2024
https://www.parkertexas.us/
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.
Paso Robles, City of
Water Supplier (Retail)
Paso Robles, CA
Member since 2018
https://www.prcity.com/421/Water
The City water system serves approximately 9,200 residential, 800 commercial, and 400 irrigation customers within the City of Paso Robles. The Paso Robles Water Division (PRWD) is committed to providing customers with a reliable high quality water supply.
Pearl Certification
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Charlottesville, VA
Member since 2025
https://pearlcertification.com/
Peoria, City of
Water Supplier (Retail)
Peoria, AZ
Member since 2022
https://www.peoriaaz.gov/home
Peoria was formally incorporated in 1954. Today, with a population of more than 191,000 (2020 Census), Peoria continues to grow and prosper.
Petaluma, City of
Water Supplier (Retail)
Petaluma, CA
Member since 2018
https://cityofpetaluma.net/
The City of Petaluma delivers high quality water to approximately 60,000 residents in Petaluma. The City of Petaluma draws most of its water from the Russian River Water System under a contract with the Sonoma County Water Agency. The remaining supply is provided by local groundwater.
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.
Phoenix, City of
Water Supplier (Retail)
Phoenix, AZ
Member since 2008
https://www.phoenix.gov/waterservices
The City of Phoenix Water Services Department treats and distributes tap water to 1.5 million customers daily. Phoenix Water manages the city's sewer system, and handles wastewater treatment operations for 2.5 million residents in five Valley cities. Our vast infrastructure includes 7,000 miles of water lines, 5,000 miles of sewer lines, eight treatment plants, 50,000 fire hydrants and 90,000 manholes.
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.
Plano, City of
Water Supplier (Retail)
Plano, TX
Member since 2013
https://www.plano.gov/220/Water-Conservation-Restrictions-Home
The City of Plano is committed to conserving and protecting our water supply in a cooperative effort with our citizens and other North Texas Municipal Water District member cities through education and enforcement that contributes to the overall quality of life.
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, Inc.
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.
Pomona, City of
Water Supplier (Retail)
Pomona, CA
Member since 2018
https://www.ci.pomona.ca.us/
Incorporated in 1888, the City of Pomona has a rich past and exciting future. Pomona is a city with a bright vision for its future, and is dedicated to the quality of life for our diverse community.
Port Hueneme, City of
Water Supplier, Water Supplier (Retail)
Port Hueneme, CA
Member since 2024
https://www.ci.port-hueneme.ca.us/
Porterville, City of
Water Supplier, Water Supplier (Retail)
Porterville, CA
Member since 2023
https://www.ci.porterville.ca.us/
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.
Poway, City of
Water Supplier (Retail)
Poway, CA
Member since 2016
https://poway.org/317/Water
Poway operates a modern water treatment and distribution system. The heart of the city's water infrastructure begins with the importation of water from both the Colorado River and Northern California. Lake Poway serves as a storage reservoir and is able to store over 1 billion gallons of water at one time.
Prescott, City of
Water Supplier (Retail)
Prescott, AZ
Member since 2025
https://prescott-az.gov/
Princeton, City of
Water Supplier (Retail)
Princeton, TX
Member since 2013
https://princetontx.gov/departments/utilities/
City of Princeton aims to supply safe, uninterrupted water and waste water services to Princeton residents and businesses, recording the consumption of those services in an accurate and timely manner. The City of Princeton purchases water and delivers the waste water to North Texas municipal Water District (NTMWD).
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.
Prosper, Town of
Water Supplier, Water Supplier (Retail)
Prosper, TX
Member since 2024
https://www.prospertx.gov/
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
Queen Creek, Town of
Water Supplier, Water Supplier (Retail)
Queen Creek, AZ
Member since 2025
https://www.queencreekaz.gov/
Rachio, Inc.
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.
Racine, City of
Water Supplier (Retail)
Racine, WI
Member since 2017
https://www.cityofracine.org/Water/
The Racine Water Utility (RWU) treats Lake Michigan water to create safe and clean drinking water for the City of Racine and surrounding communities.
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.
RCH Water Supply Corporation
Water Supplier (Retail)
Rockwall, TX
Member since 2025
https://rchwater.myruralwater.com/
Redding, City of
Water Supplier (Retail)
Redding, CA
Member since 2025
https://cityofredding.org
Redlands, City of
Water Supplier, Water Supplier (Retail)
Redlands, CA
Member since 2024
https://www.cityofredlands.org/
For more than 90 years, the City of Redlands has been in charge of providing high-quality drinking water to the Redlands and Mentone areas. More than 75,000 residents in Redlands, Mentone, parts of Crafton Hills and San Timoteo Canyon, and a small part of San Bernardino depend on Redlands Municipal Utilities & Engineering Department to provide water service to their homes and businesses.
Redwood City, City of
Water Supplier (Retail)
Redwood City, CA
Member since 2018
https://www.redwoodcity.org/departments/public-works/water
Public Works is dedicated to providing water services to over 25,000 customers in Redwood City.
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.
Renton, City of
Water Supplier (Retail)
Renton, WA
Member since 2008
https://rentonwa.gov/city_hall/public_works/maintenance/water
The Water Maintenance Section maintains and repairs pipes, pumping systems, reservoirs and meters. This team of 23 staff members is dedicated to promoting public health and welfare by assuring the best available water quality in sufficient quantity. Renton's water originates from wells drilled into the Cedar Valley aquifer.
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/