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Special Water Rates Program Reduces Costs for San Diego County Growers
The San Diego County Water Authority and 13 of its member agencies offer growers a special agricultural water rate program: providing lower-cost water in return for lower reliability.
The Water Authority’s Board of Directors approved the Permanent Special Agricultural Water Rate Program (PSAWR) in 2020. It helps support commercial farms driving the economic engine of rural San Diego County. PSAWR gives farmers a choice of what level of water service works best for their operations.
Although San Diego County’s economy is best known for tourism and biotechnology, agriculture accounts for $2 billion yearly in regional economic activity, according to the most recent county assessment.
Vallecitos Water District and PSAWR Program
Vallecitos Water District is among the PSAWR participating agencies, working with growers like Hamid Pezeshkian of Flametree Farms in Vista. Pezeschkian is among 2,000 growers enrolled.
San Diego County production is largely the combined result of more than 5,000 family farms like Pezeshkian’s operation – the most of any county in the United States. In fact, 69% of all San Diego County farms are smaller than nine acres. Innovative practices – including water-use efficiency measures – allow local farms to be productive by focusing on high-value crops.
Healthy Ecosystem Built on Conservation
When he learned about the PSAWR program through the Vallecitos Water District, Hamid Pezeshkian discovered additional options plus a support system to help guide him through the process. Photo: Vallecitos Water District
Originally from Iran, Pezeshkian grows citrus, avocados, and various fruits including passion fruit, dragon fruit, and pomegranates, at his small permaculture farm with 500 trees.
“Planting a diverse range of fruit trees, plants, and cover crops as well as a variety of animals and species that coexist together allowing for a prosperous and healthy ecosystem and healthy soil,” explains Pezeshkian.
Water Conservation for Growers
Water conservation is integral to his operation and an ongoing learning process. Flametree Farms has upgraded its irrigation systems, is implementing rainwater collection systems, and aggressively uses organic compost to keep soil soft and help it retain water. When he learned about the PSAWR program through the Vallecitos Water District, Pezeshkian discovered additional options, plus a support system to help guide him through the process.
Vallecitos Water District “incredible to work with”
“The Vallecitos Water District has been incredible to work with,” said Pezeshkian. “They’re encouraging, they’re positive, and they’ve got an amazing smile when you meet them. They are always there to provide you with guidance and information when you need it.”
Pezeshkian found his best fit by qualifying as an organic producer.
“The Organic Program definitely appealed to me,” he said. “It was the taste of these oranges that made me realize that there’s something really special here in the soil. We put not a single drop of any sprays. These trees are just doing amazing, they’re producing, and I can’t wait to continue to go this path and bring healthy nutritious organic food to the community here and share it with my friends and family.”
Agriculture Among San Diego County’s Leading Industries
Flametree Farms has upgraded its irrigation systems, is implementing rainwater collection systems, and aggressively uses organic compost to keep soil soft and help it retain water. Photo: Vallecitos Water District
Agriculture directly employs 56,000 people in San Diego County, including the second-largest number of farms operated by women and the largest number of part-time farmers in the U.S. Along with avocados, San Diego County farmers rank first in the nation in the production of nursery crops, and in the top five producers nationwide of lemons, limes, guavas, pomegranates, and macadamias.
In exchange for lower priced water, participants agree to have reduced water service when the Metropolitan Water District of Southern California cuts supplies to San Diego County. In turn, the Water Authority can reallocate those supplies as needed to commercial and residential customers who pay for full reliability benefits.
(Editor’s note: The Vallecitos Water District is one of the San Diego County Water Authority’s 24 member agencies that deliver water across the San Diego region.)
Reclamation Increases Central Valley Project 2023 Water Supply Allocations
The Bureau of Reclamation March 28, announced an increase in Central Valley Project 2023 water supply allocations. After below average precipitation in February, Reclamation announced a conservative initial water supply allocation for the CVP on Feb. 22. Additional atmospheric river systems have since boosted hydrological conditions and storage volumes, allowing for a more robust water supply allocation.
Since making initial allocations last month, Shasta Reservoir, the cornerstone of the Central Valley Project, has increased from 59% to 81%, and San Luis Reservoir, the largest reservoir south-of-Delta, from 64% to 97%. Record-breaking snowpack conditions currently exist in the Southern Sierra coupled with significant snowpack in the Central Sierra and Northern Sierra/Trinity.
2023 Central Valley Project supply allocations increased
Based on current hydrology and forecasting, Reclamation is announcing the following increases to CVP water supply allocations:
North-of-Delta Contractors
- Irrigation water service and repayment contractors north-of-Delta are increased to 80% from 35% of their contract total.
- Municipal and industrial water service and repayment contractors north-of-Delta are increased to 100% from 75% of their historic use.
South-of-Delta Contractors
- Irrigation water service and repayment contractors south-of-Delta are increased to 80% from 35% of their contract total.
- M&I water service and repayment contractors south-of-Delta are increased to 100% from 75% of their historical use.
Friant Division Contractors
- Friant Division contractors’ water supply is delivered from Millerton Reservoir on the upper San Joaquin River and categorized by Class 1 and Class 2. The first 800,000 acre-feet of available water supply is considered Class 1; Class 2 is considered the next amount of available water supply up to 1.4 million acre-feet. Class 1 remains at 100% and Class 2 was previously increased from 20% to 70% on March 7.
Friant Dam is currently being operated for flood control purposes; as long as these conditions exist contractors are able to take delivery of all available water from Friant Dam to the maximum extent of their respective contracts.
All other CVP water supply allocations remain the same as noted in the Feb. 22 announcement.
As the water year progresses, changes in hydrology, actions that impact operations, and opportunities to deliver additional water will influence future allocations. Reclamation will continue to monitor hydrology and may adjust basin-specific allocations if conditions warrant an update. Water supply updates and past year’s allocations are posted on Reclamation California-Great Basin Region’s website.
EPA Financing for Carlsbad Desalination Plant Saves Water Ratepayers up to $54 Million
The U.S. Environmental Protection Agency has awarded a $170 million low-interest loan to reduce financing costs for environmental upgrades that enhance the Claude “Bud” Lewis Carlsbad Desalination Plant. U.S. Rep. Mike Levin, who represents coastal communities including Carlsbad, helped secure the funds that will save ratepayers up to $54 million compared to alternate financing strategies.
“As we continue to confront increasingly frequent and intense droughts, today’s announcement is an exciting step in our efforts to provide sustainable, reliable water supplies for San Diego County,” said Rep. Mike Levin. “This low-interest federal loan will not only allow the Carlsbad Desalination Plant to improve its efficiency and environmental practices but will also save local water ratepayers tens of millions of dollars. I will never stop fighting to improve our region’s water security at the most affordable price for ratepayers.”
This is great news!
As we continue to confront increasingly frequent and intense droughts, today’s announcement is an exciting step in our efforts to provide sustainable, reliable water supplies for San Diego County. https://t.co/OH6l76KZT2
— Rep. Mike Levin (@RepMikeLevin) March 24, 2023
EPA financing reduces project costs, saves ratepayers
The loan, from the federal Water Infrastructure Finance and Innovation Act (WIFIA), will help Poseidon Resources (Channelside) LP continue to provide local, sustainable, drought-proof water to the San Diego County Water Authority and its 24 member agencies while reducing costs of the current intake modification project.
“Saving ratepayers money while enhancing environmental protections is solid gold,” said Water Authority Board Chair Mel Katz. “The team effort between Poseidon, the Water Authority and Congressman Levin illustrates our commitment to find cost savings wherever we can while continuing to provide safe and reliable water supplies for our region.”
The San Diego County Water Authority added desalinated seawater to its supply portfolio in 2015 with the start of commercial operations at the nation’s largest seawater desalination plant. Photo: San Diego County Water Authority
100 billion gallons of drinking water
The Carlsbad Desalination Plant is the largest, most technologically advanced and energy-efficient desalination plant in the nation, and it has produced more than 100 billion gallons of drinking water for San Diego County since operations began in December 2015.
“Since the beginning, Poseidon Resources’ mission has been to provide high-quality drinking water and a long-term sustainable solution for San Diego County while protecting ratepayers,” said Sachin Chawla, president of Poseidon Resources. “This infusion of low-interest capital and close partnerships with U.S. EPA and the Water Authority will further support modernizing Carlsbad’s Desalination Plant for future generations.”
Reverse osmosis
Reverse osmosis is the heart of the Carlsbad Desalination Plant. During this process, dissolved salt and other minerals are separated from the water, making it fit for consumption. This reverse osmosis building contains more than 2,000 pressure vessels housing more than 16,000 reverse osmosis membranes. Photo: San Diego County Water Authority
New intake and discharge facilities
The new intake and discharge facilities at the Carlsbad Desalination Plant will ensure the plant continues to meet California’s stringent Ocean Plan standards for protecting marine life. Work started in January 2023 and the new facilities are anticipated to be operational by December 2024. Except for a planned plant outage required near the end of the project to connect the new facilities to the existing intake system, construction is not expected to impact water production.
Diversifying and stretching precious water supplies is essential in the water scarce West.
EPA's # WIFIA loan to @CarlsbadDesal will upgrade the drinking water desalination plant to help address water shortages and protect critical marine habitats in the San Diego Bay. pic.twitter.com/NzMEXucb2Z
— U.S. EPA Water (@EPAwater) March 23, 2023
Protecting marine habitats
“Diversifying and stretching precious water supplies is essential in the water scarce West,” said EPA Assistant Administrator for Water Radhika Fox. “Our WIFIA loan to Poseidon Resources in San Diego County will be used for both upgrading the drinking water desalination plant to help address water shortages, stretch precious water supplies, and protect critical marine habitats in the San Diego Bay.”
WIFIA program and water infrastructure
Established by the Water Infrastructure Finance and Innovation Act of 2014, the WIFIA program is a federal loan and guarantee program administered by EPA. The WIFIA program’s aim is to accelerate investment in the nation’s water infrastructure by providing long-term, low-cost supplemental credit assistance for regionally and nationally significant projects.
The WIFIA program has an active pipeline of pending applications for projects that will result in billions of dollars in water infrastructure investment and thousands of jobs. With this WIFIA loan closing, EPA has announced 101 WIFIA loans that are providing $17 billion in credit assistance to help finance $37 billion for water infrastructure while creating 125,000 jobs and saving ratepayers over $5 billion.
Visionary problem-solving
Nearly a decade on, the Claude “Bud” Lewis Carlsbad Desalination Plant is a model of success not only for seawater reverse osmosis but also for visionary problem-solving.@WaterOnline https://t.co/ttXQvZQw1m#desalination @sdcwa #cawater #WaterResilience pic.twitter.com/ct0aQ3tKEX
— San Diego County Water Authority (@sdcwa) March 11, 2023
Recycled Water Pipeline Benefits Olivenhain Municipal Water District Customers
A new recycled water pipeline is being tapped by Olivenhain Municipal Water District customers for landscape irrigation.
Olivenhain Municipal Water District has successfully converted Westmont of Encinitas to recycled water for landscape irrigation. The assisted living facility is the first of many customers along the Manchester Avenue and South El Camino Real corridor to tap into the newly installed recycled water pipeline.
Additional customers along the corridor are working to convert their irrigation systems to accommodate the new recycled water supply, which will ultimately reduce demand for imported potable water by more than 27 million gallons every year. As the impact of California’s drought continues to be challenging, projects like this that help save potable water are even more urgent.
Drought-resilient supplies
“With the unprecedented drought situation we’re in, reducing our reliance on imported water is essential,” said OMWD Board Secretary Larry Watt. “Investing in drought-resilient supplies is a top priority and every new recycled water customer we connect to our distribution system decreases demand for imported water.”
North San Diego County Regional Recycled Water Project
The new pipeline is an element of the larger North San Diego County Regional Recycled Water Project — a collaborative effort among nine North County agencies that coordinate across jurisdictional boundaries. The recycled water being delivered through the new pipeline is produced at San Elijo Joint Powers Authority’s water reclamation facility in Cardiff.
State and federal grants
OMWD has aggressively sought grant funding for the pipeline project to make it cost-effective for ratepayers. The efforts have been successful, with OMWD achieving $1,350,000 from California’s Department of Water Resources for two separate segments of the pipeline. The pipeline is part of a suite of OMWD recycled water projects included in the North San Diego County Regional Recycled Water Project that was awarded $23.9 million in funds from the US Bureau of Reclamation’s Title XVI Water Reclamation and Reuse Program.
The Olivenhain Municipal Water District is a public agency providing water, wastewater services, recycled water, hydroelectricity, and operation of Elfin Forest Recreational Reserve. Organized in 1959, OMWD currently serves approximately 87,000 customers over 48 square miles in northern San Diego County.
(Editor’s note: The Olivenhain Municipal Water District is one of the San Diego County Water Authority’s 24 member agencies that deliver water across the San Diego County region.)
DWR, Reclamation Submit Request to Adjust Water Right Permit Conditions to Conserve Storage
Following the driest three-year period on record, California experienced one of the wettest three weeks in January. But now those extreme wet conditions have activated a water quality standard in the Delta that, coupled with the extended dry period since then, could result in a sharp reduction in the amount of water that can be retained or moved into storage for both the State Water Project and federal Central Valley Project.
The Department of Water Resources and the U.S. Bureau of Reclamation are working in real time to operate the state’s water system to maximize water supply while protecting species and the environment. However, California continues to experience unprecedented swings in weather impacting water management operations.
“Extreme weather swings”
Because of these extreme weather swings, DWR and Reclamation are taking proactive measures to manage the state’s water supply to store and capture more water in preparation for a return to hot, dry weather in the next two months.
Both agencies submitted a Temporary Urgency Change Petition (TUCP) to the State Water Resources Control Board requesting approval to modify compliance with Delta water quality conditions specified in their water right permits, while proposing measures to avoid impacts on Delta smelt.
DWR and Reclamation typically would seek this kind of change during extremely dry conditions. But the swing to extremely wet conditions after extremely dry conditions has created challenges, and the projects are acting to enable additional opportunities for water storage north and south of the Delta while maintaining protections for species.
The request for the TUCP follows protective actions taken by DWR and Reclamation under state and federal endangered species permits in late December and early January, including the “first flush” action to reduce pumping and allow storm runoff to flow through the system for the benefit of native fish species. Recent monitoring information shows the actions worked as intended, with key fish species moving downstream of the Delta and away from the direct influence of the SWP and CVP pumps.
The water quality and water right permits that dictate SWP and CVP operations require certain water quality conditions to be met at specific compliance points in the Delta to provide for favorable conditions for endangered fish species. In consultation with the Department of Fish and Wildlife, DWR and Reclamation are requesting that the State Water Resources Control Board temporarily move the compliance point in the projects’ water rights permits from Port Chicago six miles east to Chipps Island. The alternative compliance point is anticipated to ensure water quality sufficient to protect beneficial uses.
Drought conditions persist
If approved by the State Water Board, these actions would allow DWR and Reclamation to move and retain more stormwater and runoff in the state’s reservoirs in preparation for continued dry periods. A total of approximately 300,000 acre-feet would be saved for later use by the State Water Project alone.
While the January storms provided much-needed rain and snowfall, they did not end drought conditions for much of the state and California remains in a drought emergency. Regions that rely on the Colorado River system face increasingly severe water shortage conditions, and groundwater basins that serve communities in the Central Valley will not recover quickly from back-to-back years of drought and chronic overdraft.
DWR will continue to work with federal and state partners to be proactive and respond in real time to balance multiple water supply needs.
Water Authority Welcomes New MWD Board Chair Adán Ortega
The San Diego County Water Authority Board of Directors on January 26 welcomed Metropolitan Water District of Southern California Board Chair Adán Ortega, Jr. by hosting a reception for him to meet San Diego County’s community, civic and business leaders.
Ortega took the helm of MWD’s Board on January 10 as the first Latino chair in the district’s 95-year history. In a presentation during the Water Authority’s formal Board meeting, Ortega focused on shared challenges and opportunities the two water wholesalers face in the era of climate change.
Water agencies together face challenging issues
“Past conflicts aside, I see the San Diego County experience as a model that Metropolitan and other water agencies will need to consider as we confront the changed climate. The San Diego region recognized earlier than many – more than 20 years ago – the need to invest in water supply and infrastructure improvements to ensure reliability,” said Ortega, who made formal comments during the Water Authority’s Board meeting. “The need for these investments has only become more urgent as the impacts of climate change undermine both Bay-Delta and Colorado River water supplies.”
Adán Ortega: “New class of water infrastructure and management”
Ortega also noted that “San Diego’s investments have come at a cost in the form of higher water rates, but the result has been protection against drought,” including the drought that has threatened water supplies across California for the past three years.
“We can’t escape the reality of increasing water rates among our member agencies and Metropolitan, just as San Diego had to do,” Ortega said. “With climate change, we need to envision a new class of water infrastructure and management. San Diego’s leaders and ratepayers have reckoned with rate increases to keep water flowing even with critical shortages in traditional sources of water. That’s the definition of resiliency.”
Thank you @sdcwa, Chair Mel Katz, @TheNickSerrano and the San Diego leadership community. We’re unburdened and determined.
— Adan Ortega Jr (@WCPartners) January 27, 2023
Ortega has represented the City of San Fernando on the MWD board since March 2021. He is the principal at Ortega Strategies group, a public and government relations firm based in Fullerton, and he served as Metropolitan’s vice president of external affairs from 1999 to 2005. Before representing San Fernando, he served as the City of Fullerton’s representative on the MWD Board.
As chair, Ortega said he places a strong emphasis on agency ethics and the values of diversity, equity and inclusion for Metropolitan’s board and staff. He has appointed the most diverse leadership slate in MWD’s history, including appointment of leadership positions to three of the Water Authority’s four delegates including a board vice chair and chairmanship of the agency’s finance committee. The Water Authority fourth delegate – Lois Fong-Sakai – was recently elected by her peers to serve as MWD Board secretary and parliamentarian.
Today Adán Ortega was sworn in as chair of Metropolitan's board. Congratulations to Chair Ortega, the first Latino to lead the board, representing @citysanfernando. He is the 20th chair in the district's history. pic.twitter.com/6BO8A2qWfy
— MWD of SoCal (@mwdh2o) January 10, 2023
“Proven consensus builder”
“With decades of experience in government service, Adán is a proven consensus builder who is ideally suited to lead Metropolitan’s diverse 26 member agencies during a period of historic transitions impacting water supply and the environment both in MWD’s service area and the Southwest,” said Water Authority Board Chair Mel Katz.
“Adán is a proven consensus builder who is ideally suited to lead Metropolitan’s diverse 26 member agencies during a period of historic transitions impacting water supply and the environment both in MWD’s service area and the Southwest."
— Water Authority Board Chair Mel Katz. pic.twitter.com/DS7CvTOaGC— San Diego County Water Authority (@sdcwa) January 27, 2023
The Water Authority relies on MWD for about 13% of its water supplies, along with transporting water through the Colorado River Aqueduct to San Diego County. The Water Authority and MWD are working together on critical issues of drought and water supply planning as well as daily coordination of water deliveries.
“Water challenges in the West will continue to grow,” said Katz, “but I am confident that working together with MWD and its member agencies we can meet the needs of Southern California for generations to come.”
I was proud to be with the leaders of SDCWA today. Thank you so much for the hospitality.
— Adan Ortega Jr (@WCPartners) January 27, 2023
Rincon Water Rebates a Hit With Customers
Rincon del Diablo Municipal Water District reports that it completed an initiative to provide nearly $1.2 million in rebates to customers and has received overwhelmingly positive feedback about the program.
The rebates were made possible following years of litigation by the San Diego County Water Authority against the Metropolitan Water District of Southern California for violating existing exchange agreements between the two agencies. The customer rebates come as residents across the county prepare for the holiday season, giving Rincon Water customers a boost to help put food on the Thanksgiving table and some extra gifts for family members next month.
Water rebates to customers
“When the San Diego County Water Authority won their lawsuits against the Metropolitan Water District of Southern California, we had to decide on what to do with about $1.2 million that was returned to us,” said Clint Baze, General Manager of Rincon Water. “The Rincon Board of Directors said the decision was easy because the money belongs to our customers and that is where it should go. It was the right decision, and it reflects our values of integrity, transparency, and fiscal accountability.”
The Water Authority’s lawsuit against MWD resulted in the SDCWA disbursing over $90 million to 24 member agencies, including Rincon Water. The SDCWA suit was filed against MWD in an effort to remedy overcharges from 2011-2017.
Located in northern San Diego County, Rincon Water is an urban water district consisting of more than 8,600 metered connections, of which 89% are residential customers. Its industrial customers include companies ranging from a high-tech trauma hospital, a nationally popular brewery, and a large vital utility, among others.
Rincon Water delivers customer service to ratepayers
“We take our obligations to our customers seriously – in this case, it meant returning the money as fairly and efficiently as possible, thereby giving the customer the ability to make the decision on how to spend it rather than absorbing it into the budget,” Baze said. “Rincon Water continues to lead through our excellent customer service, our top-tier water and wastewater system, and our commitment to building a sustainable system for the future.”
Rincon Water provides safe and reliable potable and recycled water to a population of 32,000 people through more than 8,000 customer connections. Our potable distribution system consists of nine enclosed reservoirs with the storage capacity of 22.5 million gallons. The potable water system consists of over 117 miles of 8″ or bigger pipeline and four pump stations and has a peak production of 10 million gallons per day.
(Editor’s note: The Rincon del Diablo Municipal Water District is one of the San Diego County Water Authority’s 24 member agencies that deliver water across the metropolitan San Diego region.)
Carlsbad Desalination Plant Celebrates 100 Billion Gallons Served
The Claude “Bud” Lewis Carlsbad Desalination Plant has served more than 100 billion gallons of high-quality, locally controlled water over the past seven years – a milestone passed in late October, as California entered a fourth consecutive year of severe drought.
The plant produces an average of more than 50 million gallons of high-quality, locally controlled water every day. It’s a foundational water supply for the San Diego region that minimizes vulnerability to drought and other water supply emergencies. The facility is the largest, most technologically advanced and energy-efficient desalination plant in the nation, and it has provided a sustainable water supply to residents and businesses in San Diego County since December 2015.
Core water resource
“As we mark this achievement, water from the seawater desalination plant continues to reduce our dependence on imported water sources, which has the effect of making more water available for drought-stricken communities elsewhere,” said Mel Katz, Board chair for the San Diego County Water Authority. “Since coming online in 2015, the Carlsbad Desalination Plant has met nearly 10% of the region’s water demand, and it will be a core water resource for decades to come.”
The San Diego County Water Authority added desalinated seawater to its supply portfolio in 2015 with the start of commercial operations at the nation’s largest seawater desalination plant. Photo: San Diego County Water Authority
“Reaching 100 billion gallons demonstrates the value, effectiveness, and reliability of the desalination plant, as it produces high-quality water to help meet the needs of the region’s residents and businesses,” said Channelside President, Sachin Chawla.
The desalination plant is a key piece of the region’s multi-decade strategy to diversify its water supply portfolio. A 30-year Water Purchase Agreement between Poseidon (Channelside) LP and the Water Authority allows for the production of up to 56,000 acre-feet of water per year, enough to meet the needs of approximately 400,000 people.
Reverse osmosis is the heart of the Carlsbad Desalination Plant. During this process, dissolved salt and other minerals are separated from the water, making it fit for consumption. This reverse osmosis building contains more than 2,000 pressure vessels housing more than 16,000 reverse osmosis membranes. Photo: San Diego County Water Authority
Reverse osmosis technology
Desalination uses reverse osmosis technology to remove water molecules from seawater. Water from the ocean is forced through tightly-wrapped, semipermeable membranes under very high pressure. The membranes allow the smaller water molecules to pass through, leaving salt and other impurities to be discharged from the facility.
More information about the desalination plant is at carlsbaddesal.com and sdcwa.org.
Water Recycling Projects Expanding in San Diego County
A proactive approach to developing diversified water sources, including water recycling projects and conservation efforts, are helping the San Diego region weather the current drought.
The Olivenhain Municipal Water District is working on multiple projects to expand the use of recycled water. The U.S. Bureau of Reclamation awarded the North San Diego Water Reuse Coalition, led by OMWD, $17.8 million in August for the development of recycled water infrastructure in North County.
Combined with the $6.1 million the federal agency granted to the coalition in 2021, up to $23.9 million will help cover costs for work performed on water reclamation and reuse projects through 2025. The coalition consists of nine water and wastewater agencies coordinating recycled water efforts across jurisdictional boundaries.
“Our board is proud to be a water district that consistently innovates to reduce project costs,” said OMWD Board Director Neal Meyers. “We constantly develop new funding partnerships, and we aggressively pursue grant funds to help build our vital infrastructure projects at the lowest possible cost to our ratepayers.”
Recent construction of advanced water treatment facilities at the San Elijo Water Reclamation Facility allows for increased recycled water production. Photo: Courtesy SEJPA
Regional Recycled Water Project
The Regional Recycled Water Project will increase the capacity and connectivity of the recycled water storage and distribution systems of the coalition members and maximize reuse of available wastewater supplies.
To do this, the project will replace potable water uses with recycled water components, convert facilities to recycled water service, connect discrete recycled water systems to one another, increase recycled water storage capacity, and distribute recycled water to effectively meet recycled water demands.
Maximizing water reuse, increasing local supply
Project objectives include optimizing available wastewater resources to help offset demands for imported potable water; proactively planning for facilities to meet demands for existing and planned growth in member service areas; combining resources and working together to maximize water reuse; and increasing water supply availability, reliability, and sustainability.
When all long-term project elements are completed, North San Diego County will gain approximately 41 million gallons per day of recycled water and potable reuse water.
Manchester Avenue project underway in Encinitas
Once complete, the Manchester Avenue Recycled Water Project will reduce demand for imported potable water by more than 10 million gallons every year. Photo: Olivenhain Municipal Water District
Work began on OMWD’s Manchester Avenue Recycled Water Project in summer of 2022. As of October 1, more than half of the total 6,884 feet of recycled water pipeline has been installed. Once complete, irrigation customers connecting to the pipeline will reduce demand for imported potable water by more than 10 million gallons every year.
(Editor’s note: The Olivenhain Municipal Water District is one of the San Diego County Water Authority’s 24 member agencies that deliver water across the metropolitan San Diego region.)
