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Harvest Water-- Color Logo with Tagline

Harvest Water, California’s largest agricultural water recycling project, will provide reliable, high-quality recycled water to agricultural lands and existing habitats in southern Sacramento County.

When complete, Harvest Water will supply up to 50,000 acre-feet, which is roughly 16 billion gallons, of drought-resistant recycled water each year and bring other lasting benefits to the region.

Construction ahead

What to Expect During Construction

The Harvest Water pipelines will be constructed through several different construction packages featuring a new pumping station, 42 miles of new pipeline, and service connections to control delivery of water to the agricultural customers. Construction of the infrastructure needed to make Harvest Water a reality is now underway. Physical construction is scheduled to be completed in 2026 and the system is anticipated to be operational in 2027.

Harvest Water Benefits

Harvest Water will promote natural groundwater recovery, boost sustainable agriculture, and strengthen existing local habitats in southern Sacramento County, where declining groundwater levels in the past have impacted water sustainability and groundwater-dependent ecosystem health.  Restoring groundwater levels to historic conditions by irrigating with recycled water in lieu of pumped groundwater will drive these benefits:

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Facilitates Groundwater Recovery

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Allows for use of recycled water instead of pumped groundwater for irrigation


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Raises local groundwater levels by up to 35 feet over 15 years, increasing groundwater in storage by approximately 370,000 acre-feet which is about one-third the capacity of Folsom Lake

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Increases regional and state water supply reliability


Boosts Sustainable
Agriculture

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Delivers up to 50,000 acre-feet per year of reliable recycled water—approximately 16 billion gallons of water—to directly irrigate more than 16,000 acres of agricultural lands

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Restores and manages groundwater in partnership with area landowners, farmers, and ranchers


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Stabilizes water supply for the region’s farms, ranches, and rural landscapes by providing a reliable, cost-effective long-term water supply

Strengthens Local 
Habitats

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Improves groundwater conditions to sustain over 5,000 acres of riparian and wetland habitats

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Enhances habitats for a variety of listed species, including Sandhill crane, Swainson’s hawk, and Giant garter snake

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Increases streamflow in the Cosumnes River, supporting a longer migration window for Fall-run Chinook Salmon


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Reduces salinity and nutrients in the Sacramento and Delta waterways


Project Map

Timeline

  • 2011-2012: Feasibility Study
  • 2015-2020: Program Planning and Financing
  • 2020-2021: Preliminary Design
  • 2021-2023: Final Design
  • 2023-2026: Construction and Commissioning
  • 2027-Ongoing: Operational

Harvest Water is in southern Sacramento County, roughly between Interstate 5 and Highway 99, south of the City of Elk Grove, and north of Twin Cities Road and the Cosumnes River Preserve.

Background

SacSewer is committed to being a leader in environmental stewardship, which is demonstrated in many of our efforts, including the 2,150 acre Bufferlands conservation program. Through our sustainable efforts in resource recovery, we maximize the reuse of treatment process by-products such as biogas (energy), biosolids (nutrients), and the treated water itself—in the form of recycled water. In fact, our landmark recycled water project—Harvest Water—is a critical component to realizing SacSewer’s goal of increasing recycled water delivery in the Sacramento region.

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Harvest Water’s beginnings can be traced to 2004, when SacSewer set a long-term goal to increase recycled water deliveries by up to 40 million gallons per day. At the time, a water recycling opportunities study identified the delivery of recycled water to agricultural lands in southern Sacramento County as a viable alternative to help achieve those goals. Soon after, we began a planning effort known as the South County Ag Project. Those initial studies and activities began a comprehensive development process that eventually evolved into the current Harvest Water program.
Along the way, critical regulatory decisions helped make Harvest Water a reality. In 2010, SacSewer received a stringent new permit for its discharge of treated sewage to the Sacramento River that required significant modifications to its treatment processes. The result was a $1.7 billion facility upgrade completed in 2023, called the EchoWater Project. Tertiary-treated water produced by the EchoWater Resource Recovery Facility located near Elk Grove now meets water quality standards for unrestricted recycled water uses, including the irrigation of food crops. This greatly increases the amount of water SacSewer can provide for recycled water uses and provides alternative irrigation opportunities to local farmers and ranchers.
Harvest Water also reinforces SacSewer’s commitment to creating a new water management option by reducing the amount of treated water necessarily released into the Sacramento River and instead using it for beneficial reuse purposes in the region.

Partners

As a leader in environmental sustainability, SacSewer is proud to be leading Harvest Water in close collaboration with a wide variety of regional partners.
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Funding

The California Water Commission awarded Harvest Water $291.8 million in Proposition 1 grant funding through the Water Storage Investment Program (WSIP) to help make Harvest Water a reality for the Sacramento region. WSIP funding was awarded based on the public benefits the project provided through a rigorous and competitive review process.

Harvest Water has also been awarded a $30 million grant from the U.S. Bureau of Reclamation as part of the Title XVI Water Reclamation and Reuse Program.

 

Additional funding sources are also being pursued to help cover construction and operational costs.

EcoPlan

Harvest Water is made possible largely through funding from California’s Proposition 1 Water Storage Investment Program, which supports projects that provide public benefits, including ecological ones. This allows Harvest Water to work with interested farmers and ranchers to implement specialized habitat management activities through the Harvest Water EcoPlan.  

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