Serving 565 Members
94
Affiliate (Universities, NGOs, Other Nonprofits)
88
Business & Industry
382
Water Supplier
Resource Innovations
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Half Moon Bay, CA
Member since 2025
https://www.resource-innovations.com/
Rialto, City of
Water Supplier (Retail)
Rialto, CA
Member since 2023
Richardson, City of
Water Supplier (Retail)
Richardson, TX
Member since 2013
https://www.cor.net/departments/public-services/water
Since 1965, Richardson has obtained its water supply through a contract with the North Texas Municipal Water District (NTMWD), a quasi-state agency created by the State legislature in 1954. The NTMWD treats and distributes water from Lake Lavon impoundment reservoir, Lake Chapman, Lake Texoma and New Bonham Reservoir. These water sources will support the projected population of 2 million people through 2030.
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.
Rio Rancho, City of
Water Supplier, Water Supplier (Retail)
Rio Rancho, NM
Member since 2024
https://www.rrnm.gov/2793/Utilities
The Rio Rancho Utilities Department is made up of three Divisions: Utility Accounting, Utility Operations, and Utility Services. Through these divisions the Utilities Department is responsible for: management of departmental budgets, management of Utilities billing accounts, and management and repair of all water and wastewater utilities.
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.
Rockwall, City of
Water Supplier (Retail)
Rockwall, TX
Member since 2013
https://www.rockwall.com/Water/index.asp
City of Rockwall’s Water & Wastewater Department strives to provide quality service to the citizens of Rockwall through Water, Wastewater, and Engineering Departments in a safe, responsive, cost-effective manner, while continuously improving service to their customers while planning for future needs.
Rohnert Park, City of
Water Supplier (Retail)
Rohnert Park, CA
Member since 2020
https://www.rpcity.org/
Rohnert Park is a city in Sonoma County, California, United States, located approximately 50 miles north of San Francisco.
Rose Hill Special Utility District
Water Supplier, Water Supplier (Retail)
Terrell, TX
Member since 2024
https://rhsud.com/
Roseville, City of
Water Supplier (Retail)
Roseville, CA
Member since 2018
https://roseville.ca.us/government/departments/environmental_utilities/at_your_service/water_supply
City of Roseville delivers high-quality and reliable water resources to homes and businesses. Their water supply utility distributes drinking water to nearly 130,000 residents, thousands of businesses and millions of visitors.
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.
Round Rock, City of
Water Supplier (Retail/Wholesale)
Round Rock, TX
Member since 2010
https://www.roundrocktexas.gov/departments/utilities-and-environmental-services/water/
The Round Rock Utilities and Environmental Services Department is committed to providing customers with water that is safe to drink, readily available and of excellent quality.
Rowland Water District
Water Supplier, Water Supplier (Retail)
Rowland Heights, CA
Member since 2024
https://@rwd.org
Rowlett, City of
Water Supplier, Water Supplier (Retail)
Rowlett, TX
Member since 2024
https://www.rowletttx.gov/
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.
Royse City, City of
Water Supplier (Retail)
Royse City, TX
Member since 2013
https://www.roysecity.com/departments/utilitywater-department/
The employees of the Public Works Department maintain the City’s water and wastewater lines. The City of Royse City supplies water to approximately 4,018 residential homes and commercial businesses.
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.
Sachse, City of
Water Supplier, Water Supplier (Retail)
Sachse, TX
Member since 2024
https://www.cityofsachse.com/
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.
Sacramento, City of
Water Supplier (Retail)
Sacramento, CA
Member since 2014
https://www.cityofsacramento.org/Utilities/Water/Water-Service
Sacramento is the capital city of the State of California and the seat of Sacramento County. Each year, the City of Sacramento Department of Utilities provides water service to more than 46 billion gallons of water to more than 130,000 customers.
Saint Helena, City of
Water Supplier (Retail)
St. Helena, CA
Member since 2021
https://www.cityofsthelena.org/
The City of St. Helena is located in the center of the world-famous wine-growing Napa Valley, 65 miles north of San Francisco. The Water Treatment Division of the Public Works Department provides water from three sources: Bell Canyon Reservoir, Stonebridge Wells and water purchased from the City of Napa. The Water Distribution Division of the Public Works Department is responsible for the distribution portion of the City's water system, providing water to users at all times at pressures and quantities required.
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 Clemente, City of
Water Supplier (Retail)
San Clemente, CA
Member since 2018
https://www.san-clemente.org/home
The purpose of the San Clemente Utilities Division is to ensure uninterrupted water, sewer, and drainage service to all our customers that meet all regulatory requirements. The Utilities Division also supports and provides resources for water conservation.
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 Diego, City of
Water Supplier (Retail)
San Diego, CA
Member since 2008
https://www.sandiego.gov/public-utilities
The City has a number of resources available to help residents and businesses conserve water. Efficient water use is a way of life in San Diego, and it is important to remember that permanent water use restrictions remain in effect regardless of the drought status.
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.
San Jose, City of
Water Supplier, Water Supplier (Retail)
San Jose, CA
Member since 2024
https://www.sanjoseca.gov
San Luis Obispo, City of
Water Supplier (Retail)
San Luis Obispo, CA
Member since 2018
https://www.slocity.org/government/department-directory/utilities-department
San Luis Obispo is a city in California’s Central Coast region. On Mission Plaza, the Mission San Luis Obispo de Tolosa is a 1700s Spanish mission with a museum. The city’s population is about 47,000.
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 Ana, City of
Water Supplier (Retail)
Santa Ana, CA
Member since 2018
https://www.santa-ana.org/
Santa Ana is a city in Orange County, California. It's home to the Santa Ana Zoo, the Bowers Museum The Discovery Cube Orange County, and the Heritage Museum of Orange County, which features restored 1890s homes set amid gardens.
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 Barbara, City of
Water Supplier (Retail)
Santa Barbara, CA
Member since 2008
https://www.santabarbaraca.gov/services/utilities/default.asp
Santa Barbara is a city on the central California coast, with the Santa Ynez Mountains as dramatic backdrop. Downtown, Mediterranean-style white stucco buildings with red-tile roofs reflect the city’s Spanish colonial heritage. The population is about 92,000.
Santa Clara, City of
Water Supplier (Retail)
Santa Clara, CA
Member since 2024
https://santaclaraca.gov
Santa Cruz, City of
Water Supplier (Retail)
Santa Cruz, CA
Member since 2010
https://www.cityofsantacruz.com/government/city-departments/water
The Santa Cruz water department seeks to ensure public health and safety by providing a clean, safe, reliable supply of water. They strive to serve the community in a courteous, efficient, cost effective and environmentally sustainable manner.
Santa Fe Irrigation District
Water Supplier, Water Supplier (Retail)
Rancho Santa Fe, CA
Member since 2023
https://www.sfidwater.org/
Santa Fe, City of
Water Supplier (Retail)
Santa Fe, NM
Member since 2010
https://www.santafenm.gov/water_division
The mission of the City of Santa Fe Water Division is to provide a reliable, safe and sustainable water supply to meet the needs of their customers and the community.
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.
Santa Monica, City of
Water Supplier (Retail)
Santa Monica, CA
Member since 2013
https://www.smgov.net/departments/publicworks/water.aspx
The mission of the Public Works Department is to protect and enrich the quality of life in the city through the sustainable maintenance, management, and enhancement of resources and public infrastructure.
Santa Rosa, City of
Water Supplier (Retail)
Santa Rosa, CA
Member since 2008
https://srcity.org/677/About-Us
Santa Rosa Water protects public health and the environment by providing a safe and reliable water supply, wastewater collection and treatment, beneficial reuse of recycled water and biosolids, and storm water management.
Saskatoon, City of
Government (Federal, State/Province, Local)
Saskatoon, SK
Member since 2022
https://saskatoon.ca
Save Water Save Money (UK)
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Middlesex, UK
Member since 2025
https://www.savewatersavemoney.co.uk/
Scottsdale, City of
Water Supplier (Retail)
Scottsdale, AZ
Member since 2017
https://www.scottsdaleaz.gov/water
Scottsdale Water has been providing quality drinking water and advanced reclamation services to Scottsdale businesses and residents for over 40 years. Through extensive and innovative groundwater recharge practices, a diverse water supply portfolio and a commitment to promoting conservation, Scottsdale Water is ensuring safe, reliable drinking water for residents now and in the future.
In Partnership with AWE
Scottsdale Water was featured in AWE's Exemplary Programs Series webinar, Customer Rebate Management: Scottsdale Water's Modern Approach to Rebates. Click here to watch the webinar and download the presentation. Contact: Adria Surovy, Water Conservation Specialist.
SCV Water
Water Supplier (Retail/Wholesale)
Santa Clarita, CA
Member since 2010
https://yourscvwater.com/
SCV Water is the result of a collaborative response to the exhaustive Economic, Efficiencies and Enhanced Water Management study conducted to identify the potential benefits of a new water district in the Santa Clarita Valley. It was determined that by creating a new, unified water agency, SCV Water would streamline resources, increase efficiencies and have the opportunity to better serve customers in the areas surrounding the Santa Clara River and Castaic Lake.
Note: The Santa Clarita Valley Water Agency (SCV Water) was created January 1, 2018 through the merger of the three water agencies in the Santa Clarita Valley. The merger included Castaic Lake Water Agency and its Santa Clarita Water Division, Newhall County Water District and the Valencia Water Company. SCV Water was G480-verified under Valencia Water Company, prior to the merger. While they are not yet certified under their new organizational structure, we look forward to a future submittal from SCV Water.
Note: The Santa Clarita Valley Water Agency (SCV Water) was created January 1, 2018 through the merger of the three water agencies in the Santa Clarita Valley. The merger included Castaic Lake Water Agency and its Santa Clarita Water Division, Newhall County Water District and the Valencia Water Company. SCV Water was G480-verified under Valencia Water Company, prior to the merger. While they are not yet certified under their new organizational structure, we look forward to a future submittal from SCV Water. 
Seattle Public Utilities
Water Supplier (Retail/Wholesale)
Seattle, WA
Member since 2008
https://www.seattle.gov/utilities
Seattle Public Utilities strives to protect the area's quality of life. To do that, they maintain some of the nation's best drinking water, help Seattle residents and businesses be recycling leaders, protect local waterways and the Sound from polluted storm and waste water through rain gardens, tank systems and overflow treatment.
Seis Lagos Utility District
Water Supplier, Water Supplier (Retail)
Lucas, TX
Member since 2024
https://www.slud.us/
Seminole County
Government (Federal, State/Province, Local)
Sanford, FL
Member since 2024
https://www.seminolecountyfl.gov/
Sensor Industries
Business & Industry, Business and Industry (Manufacturers, Distributors)
Camarillo, CA
Member since 2020
https://www.sensorindustries.com/
Sensor Industries's SI-Mesh wireless network is specifically designed to power networks of sensors capable of monitoring a wide array of environmental conditions and building systems’ performance. Access to this vital data lowers costs, reduces risks, and provides new revenue opportunities to the property owners while simultaneously enhancing the occupancy experience for the tenants. Sensor Industries has over 7,000 sensors installed in over 90 complexes throughout the United States and Canada, saving clients thousands of dollars against their monthly water bill and over 32 million gallons of potable water to date.
SimplyScapes
Business & Industry
Orem, UT
Member since 2025
Sligo Creek Resources
Business and Industry (Consulting Firms, Businesses)
Takoma Park, MD
Member since 2011
Individual consultant with technical expertise in water resources and efficiency planning. Services include: Facilitation, workshop, process skills; in-depth knowledge of governmental agencies and policies; and quick turnaround research.
Sloan Valve Company
Franklin Park, IL
Member since 2011
https://www.sloan.com/
Since innovating the Royal® Flushometer more than 100 years ago, Sloan has led the industry in water efficiency with products that are built to perform and guaranteed to last.
Smart Use, LLC
Business & Industry, Business and Industry (Consulting Firms, Businesses)
Albuquerque, NM
Member since 2024
Solano County Water Agency
Water Supplier (Wholesale)
Vacaville, CA
Member since 2016
https://www.scwa2.com/
Solano County Water Agency is a wholesale water supply agency providing untreated water to cities and agricultural districts in Solano County from the Federal Solano Project and the North Bay Aqueduct of the Water Project. In addition, the agency performs flood management as well as habitat conservation activities.
Solid Dew LLC
Business & Industry, Business and Industry (Manufacturers, Distributors)
Miami, FL
Member since 2025
https://www.soliddew.com
Sonoma Water
Water Supplier (Wholesale)
Santa Rosa, CA
Member since 2008
https://www.sonomawater.org/
The mission of the Sonoma Water (formerly the Sonoma County Water Agency) is to effectively manage the water resources in their care for the benefit of people and the environment through resource and environmental stewardship, technical innovation, and responsible fiscal management.