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Pure Water San Diego is anticipated to provide 50% of the City of San Diego's water supply by 2035. Photo: Courtesy City of San Diego Water Reuse Progress

Water Reuse Projects Highlight Sustainable Building Week

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Three potable water reuse or recycling projects under development in the San Diego region were highlighted this week during the San Diego Green Building Council’s inaugural “Sustainable Building Week San Diego.”

The Sustainable Building Week programs focused on sustainable practices and creating collaboration and networks among San Diego professionals involved with environmental stewardship and green building.

The panel discussion, “Potable Reuse: New Local Sources of High-Quality Drinking Water for San Diego County,” updated the development status and future benefits of three projects: Pure Water Oceanside, Pure Water San Diego, and the East County Advanced Water Purification program. Attendees learned how the technology works and how it reduces reliance on imported water, while increasing local supply.

Multiple benefits to the environment

Panelists provided the latest updates on Pure Water San Diego, Pure Water Oceanside, and the East County Advanced Water Project. Photo: Water Authority

Panelists provided the latest updates on Pure Water San Diego, Pure Water Oceanside, and the East County Advanced Water Purification program. Photo: San Diego County Water Authority

“Potable reuse has multiple benefits, including sustainability and drought resilience,” said Lesley Dobalian, principal water resources specialist for the San Diego County Water Authority and the panel moderator.

Pure Water Oceanside

“Water supplies are subject to lots of vulnerabilities, including rising costs, energy consumption, natural disasters, and eco-system and environmental issues,” said Cari Dale, City of Oceanside water utilities director. “Pure Water Oceanside replicates and accelerates Nature’s natural recycling process.”

The City of Oceanside is working toward creating 50% of its water supply locally, including Pure Water Oceanside, by 2030.

Cari Dale, Water Utilities Director, City of Oceanside, explained to the viewers how the process works. Photo: San Diego County Water Authority

East County AWP

Kyle Swanson, director of advanced water purification with the Padre Dam Municipal Water District, said the East County Advanced Water Purification project would recycle 15 million gallons of annual wastewater discharge into a resource. Currently, wastewater from East County travels 20 miles to be discharged into the San Diego metropolitan wastewater treatment system and eventually into the Pacific Ocean.

“Redistribution of this water would meet 30% of the demand for potable water in East County,” said Swanson. “It is sustainable, uninterruptable, and competitive in costs.”

The East County AWP will produce 30% of the region’s water supply. Photo: San Diego County Water Authority

Pure Water San Diego

Pure Water San Diego is the $5 billion project designed to generate 83 million gallons of water per day by 2035, nearly one-half of San Diego’s water demand based on the new 2021 urban water management plan.

“That’s pretty exciting, half our water supply is from this project,” said John Stufflebean, assistant director, City of San Diego Water Utilities Department.

Phase 1 will produce 30 million gallons of water per day by 2025; Phase 2 will deliver the remaining supply.

Potable reuse will provide a new source of safe, high quality drinking water in San Diego County. This local supply is sustainable, drought resilient, and benefits the environment. It will also help prepare the region for future droughts and a changing climate.

Pure Water Oceanside-Potable Reuse-Sustainability Sustainble Building Week

SD Sustainable Building Week Features Water Reuse Projects

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Representatives from three potable reuse projects under development in San Diego County will provide project updates during the inaugural “Sustainable Building Week San Diego” at 11 a.m. on Tuesday, April 13.

Hosted by the San Diego Green Building Council, Sustainable Building Week offers free virtual events from April 12 – 16 addressing sustainable practices and creating collaboration and networks among San Diego professionals involved with environmental stewardship and green building. All events are free and open to the public.

Sustainable Building Week and potable reuse

The San Diego County Water Authority hosts and moderates a panel titled “Potable Reuse: New Local Sources  of High-Quality Drinking Water for  San Diego County.” Potable reuse will provide a new source of safe, high-quality drinking water in San Diego County. Projects will create a local supply that is sustainable, drought-resilient, and benefits the environment. Additional sources of local water supply will also help prepare the region for future droughts and a changing climate.

Financially competitive and environmentally responsible

Helix Water District's R.M Levy Water Treatment Plant

Purified water from the East County Advanced Water Purification Project will undergo additional processing at Helix Water District’s R.M. Levy Water Treatment Plant after being be piped into the district’s Lake Jennings reservoir. Photo: Helix Water District

Attendees to the free virtual presentation will hear the latest updates on three San Diego County potable reuse projects currently under development. The presenters will describe how the potable reuse process purifies recycled water; reduces reliance on imported water; and is financially competitive and environmentally responsible.

Panelists include:

Cari Dale, Water Utilities Director, City of Oceanside, has been working towards meeting the Oceanside City Council’s goal of 50% local water supply development by the year 2030, a goal which will be achieved in part by the implementation of Pure Water Oceanside.

John Stufflebean, Assistant Director, Water Utilities Department, City of San Diego, currently the Assistant Director for the Pure Water and Technical Services Branch. Pure Water San Diego is the $5 billion project designed to generate nearly one-half of San Diego’s water demand from purified wastewater.

Kyle Swanson, Director of Advanced Water Purification, Padre Dam Municipal Water District, provides leadership and guidance in the design and implementation of the East County Advanced Water Purification Project.  He has over 20 years of experience in water-related industries and is a licensed distribution and treatment operator and certified public manager.

Moderating the program is Lesley Dobalian, Principal Water Resources Specialist for the San Diego County Water Authority.

Registration to attend the program is free. Attendees can RSVP and receive a link for the presentation on the SDGBC Sustainable Building Week website.

The Padre Dam Municipal Water District has been name a 2020 "Utility of the Future Today" for its water reuse initiatives and its workforce development efforts. Photo: Padre Dam Municipal Water District

Padre Dam Named Utility of the Future Today

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Padre Dam Municipal Water District’s leadership in the development of water reuse as well as its strong workplace culture received national recognition with a 2020 Utility of the Future Today award. The award honors substantial excellence in the operation of water sector services.

“We are honored to be recognized as a groundbreaking agency in the area of water reuse,” said Allen Carlisle, Padre Dam general manager and CEO. “This distinction highlights our ongoing commitment to innovative improvements in service of our customers.”

The Utility of the Future Today program celebrates the achievements of water utilities transforming from the traditional wastewater treatment system to a resource recovery center and leader in the overall sustainability and resilience of the communities they serve. It was launched in 2016 by the National Association of Clean Water Agencies, the Water Environment Federation, the Water Research Foundation, and the WateReuse Association, with input from the U.S. Environmental Protection Agency.

Water reuse efforts recognized

Padre Dam Municipal Water District has been recycling water since 1958. The District’s Ray Stoyer Water Recycling Facility produces around two million gallons per day of recycled water.

Padre Dam is now working on a regional water and wastewater solution in a collaborative partnership between Padre Dam and the County of San Diego, City of El Cajon, and Helix Water District to expand on the history of water reuse through the East County Advanced Water Purification Project.

The project will create a new local, sustainable, and drought-proof drinking water supply using state-of-the-art technology to purify recycled water and diversify East San Diego County’s water supply, while reducing the region’s dependence on imported water. This new water supply will provide approximately 30% of East County’s water demand, and nearly eliminates the discharge of East County’s treated wastewater into the Pacific Ocean.

Padre Dam is currently the Program Administrator for the regional East County Advanced Water Purification Program.

Workplace culture fosters collaboration

Utility worker Sarah Hargis and her workgroup in the Padre Dam wastewater division are essential workers who ensure the wastewater collection system is functioning correctly. Photo: Padre Dam Municipal Water District

Utility worker Sarah Hargis and her workgroup in the Padre Dam wastewater division are essential workers who ensure the wastewater collection system is functioning correctly. Photo: Padre Dam Municipal Water District

Padre Dam Municipal Water District’s strong organizational culture of collaboration, learning, service, and transparency also received recognition. The award cited Padre Dam as an agency that encourages the ongoing learning process and the improvement of its workforce in the planning and decision process. This culture empowers every employee to think creatively, cultivating an organizational culture of innovation.

Padre Dam has enjoyed a successful and progressive workforce partnership with management, labor, and its Board of Directors for decades. Over the last several years, the District invested in the reinvention of its internal workforce development program to meet the changing needs of its modern workforce.

Now called the “Pipeline,” the program embraces a philosophy enabling broad-based participation in the organization’s decision-making processes.

“The Pipeline relies on the primary principle that we can better serve our customers by conducting activities in a collaborative and transparent manner,” said Carlisle. “Long before our employees became essential workers providing vital services during the pandemic, Padre Dam recognized their tremendous value to our organization. This award is for each and every one of our employees who have performed in an exemplary way when they were needed most.”

water recycling-national recycling day

New Water Recycling Videos on National Recycling Day

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National Recycling Day on November 15 celebrates and promotes recycling practices to reduce waste and decrease energy demands, ultimately preventing pollution and fighting climate change. This year, the Water Authority partnered with the Southern California Water Coalition to promote water recycling.

National Recycling Day brings new video series

The Water Authority and other SCWC members, worked through the Coalition’s Recycled Water Task Force, along with other water districts and agencies in Southern California to create a new video series. The informative video series was created to educate the public on the use of recycled water in Southern California. The three-part video series shares a simple message – Water: Too Precious to Use Just Once.

The short videos explain the basics of water recycling and its importance as part of a diverse set of solutions employed by water agencies and local governments to stretch limited water resources. The series describes what water recycling is, how it is safe, and how it is used and will be used in the future.

“This new video series is the result of many water agencies and experts working in partnership to promote inclusive educational outreach about the safety and importance of water recycling in our communities,” said Lesley Dobalian, principal water resources specialist for the Water Authority and a member of the Recycled Water Task Force.

Water Too Precious to Use Just Once

Water recycling is the process of taking water that has already been used and treating it to levels safe for further beneficial use. Recycled water is highly regulated, and its use must comply with strict environmental and safety rules and requirements.

Thanks to advancements in water treatment technologies, reycled water is used to water landscapes, for commercial and industrial processes, and to recharge underground aquifers. Recycled water is also tapped for potable reuse through reservoir augmentation.

Water recycling is key to the region’s future

Recycled water is one more tool in the San Diego region’s water portfolio approach to provide a resilient water supply in the face of a changing climate. The  Water Authority and its 24 member agencies have increased the region’s water supply reliability through diversified and innovative technologies like water recycling.

The Water Authority and its 24 member agencies have promoted the advancement of water recycling and potable reuse in San Diego County by developing educational resources such as potablereuse.sdcwa.org and obtaining outside funding from the Metropolitan Water District’s local resource program, and local, state, and federal grant and loan opportunities. Over the last year the Water Authority Board supported local potable reuse projects such as Pure Water San Diego, the East County Advanced Water Purification Program, and Pure Water Oceanside.

The video series was made possible through funding provided by the Los Angeles Department of Water and Power and the work of members of SCWC’s Water Recycling Task Force video subcommittee, comprised of representatives from the San Diego County Water Authority and other agencies throughout Southern California.