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Water Authority Testifies on California’s Efforts to Support the Colorado River

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During state Assembly testimony on Tuesday, May 2, San Diego County Water Authority General Manager Sandra L. Kerl highlighted the steps taken by the Water Authority and partner water agencies across California to support the Colorado River in the era of climate change.

Kerl joined representatives from the Colorado River Board of California, the Imperial Irrigation District, Metropolitan Water District of Southern California, the California Natural Resources Agency, and the environmental community. A theme throughout the hearing was that California is prepared to do more to help the river, but all seven Basin states must be involved in a consensus-based approach.

“When you ask how California is responding and preparing for the effects of climate change, I offer the San Diego region’s focus on a diversified water supply portfolio as an example of focusing on conservation and water management while also developing new drought-proof supplies,” Kerl told the committee.

Climate change and water supply

Tuesday’s hearing before the state Assembly Committee on Water, Parks, and Wildlife in Sacramento focused on the effects of climate change on the Colorado River and actions California water agencies have taken to address the river’s challenges.

More than 20 years of drought have led to record low elevation levels in lakes Mead and Powell, the two critical reservoirs California and the Lower Basin depend on for their river supplies. While heavy storms this winter and spring improved river conditions, concerns remain over the long-term effects of climate change. Efforts are underway to find lasting, durable solutions for the river.

Kerl highlighted the leadership California has shown in conservation through the 2003 Quantification Settlement Agreement or QSA, which has enabled California to live within its 4.4-million-acre-foot apportionment while helping the U.S. Bureau of Reclamation manage river supplies. At the center of the QSA, is the conserved water transfer agreement between the Water Authority and the Imperial Irrigation District.

“In total, our QSA partnerships have conserved more than 3 million acre-feet of Colorado River water since 2003 and done so in a way that supports California’s critical agricultural economy, funds socio-economic needs, and addresses the environment, most importantly the Salton Sea,” Kerl said. She noted that the QSA is an example for other Basin states to follow in implementing conservation.

Collaboration on Colorado River Basin solutions

Kerl and others expressed hope that Basin states can collaborate to keep the water flowing for all river users.

“I am confident that we will find a shared solution that moves us forward to conserve the water we need to stabilize the system and then look forward to guideline updates,” said California Natural Resources Agency Secretary Wade Crowfoot.

His comments referenced upcoming discussions on the river’s future operating guidelines, which take effect in 2026.

Colorado River Board of California Chairman JB Hamby from the Imperial Irrigation District said, “California is working with our in-state stakeholders, tribes, and Mexico via the United States to be able to deal with this in the next short-term basis and the long term.”

Metropolitan Water District General Manager Adel Hagekhalil added, “Working together, we must develop equitable, realistic solutions that reduce our collective reliance on the river.”

During her testimony, Kerl told the committee that any solutions must uphold the Law of the River, the priority right system and California’s senior rights. “It’s critical that Reclamation consider both the near-term and future operations of the river by building on the foundation of the laws, court decisions, compacts and agreements that have come before,” she said.

Snow Surveys-DWR-Snowmelt-Flooding-May 1

Snow Surveys Help Plan Snowmelt Runoff Forecasts

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The California Department of Water Resources May 1 conducted the fifth snow survey of the season at Phillips Station. The manual survey recorded 59 inches of snow depth and a snow water equivalent of 30 inches, which is 241% of average for this location on May 1. The last time there was measurable snow at the Phillips snow course on May 1 was 2020, when only 1.5 inches of snow and .5 inches of snow water equivalent was measured

DWR’s electronic readings from 130 snow sensors placed throughout the state indicate the statewide snowpack’s snow water equivalent is 49.2 inches, or 254% of average for May 1.

The snow water equivalent measures the amount of water still contained in the snowpack and is a key component of DWR’s water supply run-off forecast.

“While providing a significant boost to California’s water supplies, this year’s massive snowpack is posing continued flood risks in the San Joaquin Valley,” said DWR Director Karla Nemeth. “The snowpack will not disappear in one week or one month but will lead to sustained high flows across the San Joaquin and Tulare Basins over the next several months and this data will help us inform water managers and ultimately help protect communities in these regions.”

Snowpack Surveys-Sierra Nevada-Reservoirs-Snow Water Equilvalent-Snowmelt

Snowmelt runoff forecasts

Snow surveys like the one at Phillips Station are critical to planning for impacts of the coming snowmelt runoff on communities. DWR uses the most updated technology to gather data from snow surveys, a network of 130 remote snow sensors, and airborne snow observatory data to gather information on current real-world conditions to create the most accurate snowmelt runoff forecasts possible. These runoff forecasts, published through DWR’s Bulletin 120, allow reservoir operators to plan for anticipated inflows and water managers downstream of reservoirs to plan and prepare for flood risks.

Despite a brief increase in temperatures in late April, the statewide snowpack overall melted at a slower pace than average over the month of April due to below average temperatures early in the month and increased cloud cover. An average of 12 inches of the snowpack’s snow water equivalent has melted in the past month and it now contains an average of 49.2 inches.

Water supply, flood control planning

“No matter how you look at the data, only a handful of years in the historical record compared to this year’s results,” said Sean de Guzman, manager of DWR’s Snow Surveys and Water Supply Forecasting Unit. “Survey results from our partners in the California Cooperative Snow Surveys Program and other data, including data from Airborne Snow Observatory flights, allow us to incorporate these data into our models to provide the most accurate snowmelt runoff forecasts possible right now to inform water supply, flood control, and planning.”

Climate Change and snowpack averages

According to historical records, only the April 1 measurements from the years 1952, 1969, 1983 and this year were above 200 percent, although it is difficult to directly compare individual years across the decades due to changes in the number of snow courses measured over time.

Due to the impact of climate change on California’s snowpack, since 2021, snowpack averages have been calculated using a timeframe of 1991 through 2020 so that results better reflect the current climate conditions.

DWR is maximizing the amount of water that can be stored and diverted from this record snowpack.

In April, DWR announced a 100% allocation of requested supplies from the State Water Project, which delivers water to 29 public water agencies that serve 27 million Californians and 750,000 acres of farmland. The last time the SWP allocated 100% was in 2006. DWR is also maximizing the amount of water that can be diverted towards recharging groundwater basins so more water is stored for future use in underground reservoirs.

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Flooding impacts in California

Last week, Governor Newsom visited the Tulare Basin to tour flood impacts first hand, met with community leaders and emphasized the state’s commitment to supporting and providing appropriate assistance to counties impacted by recent and anticipated flooding this spring and summer.

Snowmelt runoff forecasts are an instrumental part of the assistance provided by DWR’s State-Federal Flood Operations Center (FOC), which is supporting emergency response in the Tulare Lake Basin and Lower San Joaquin River by providing technical and materials assistance to support ongoing flood response activities.

Storms this year have caused impacts across the state including flooding in the community of Pajaro and communities in Sacramento, Tulare, and Merced counties. The FOC has helped Californians by providing more than 1.4 million sandbags, 1 million square feet of plastic sheeting, and 9,000 feet of reinforcing muscle wall, across the state since January.

(Editor’s  Note: Information in this story was provided by the California Department of Water Resources).

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OMWD Continues to Convert More Customer Meters to Recycled Water

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Encinitas, Calif. — Olivenhain Municipal Water District continues to reduce demand for imported drinking water by converting additional customer meters within The Lakes Above Rancho Santa Fe community to recycled water for irrigation.

The Lakes is a community in Rancho Santa Fe that will include 387 homes, large outdoor natural spaces, and several lakes, when fully developed.

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4S Ranch Water Reclamation Facility-CWEA 2022 Plant of the Year

OMWD Continues to Convert More Customer Meters to Recycled Water

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The Olivenhain Municipal Water District continues to reduce demand for imported drinking water by converting additional customer meters within The Lakes Above Rancho Santa Fe community to recycled water for irrigation.

The Lakes is a community in Rancho Santa Fe that will include 387 homes, large outdoor natural spaces, and several lakes, when fully developed.

New water meters

This phase included the installation of four new water meters that will measure an anticipated savings of over nine million gallons of imported drinking water each year. As the entire state continues to face water supply challenges, converting customers to recycled water for irrigation strengthens the local water supply portfolio, reduces treated wastewater flows to the ocean, and reduces the region’s overall demand for imported water.

Reducing reliance on imported water

“OMWD has been proactive about converting customers to recycled water for irrigation for decades,” said OMWD board director Marco San Antonio. “Every customer converted supports the goal of reducing our reliance on imported water, and this conversion is yet another step towards fulfilling that goal.”

4S Ranch Water Reclamation Facility

OMWD produces up to two million gallons of recycled water everyday at its 4S Ranch Water Reclamation Facility. Additionally, OMWD is the lead agency of the North San Diego Water Reuse Coalition, a group of nine North County agencies that coordinate across jurisdictional boundaries to share resources and expand the reach of the recycled water distribution system. As a result of their proactive approach, OMWD now serves up to 15 percent of its overall demand from recycled water and continues to identify additional ways to make recycled water available to eligible customers.

(Editor’s Note: 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, and is one of the San Diego County Water Authority’s 24 member agencies).

Sweetwater Authority Logo 2019Sweetwater Authority Logo 2019

Sweetwater Authority High School Photo Contest Winners Announced

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Chula Vista, Calif. – Eight local high school students were honored for their award-winning photographs at the Sweetwater Authority Board Meeting on April 26. The winners were selected from a group of 62 students from high schools across the South Bay who submitted 148 entries for the Authority’s High School Photo Contest.

“The Board is proud to support this annual contest, and looks forward to seeing the entries and continued involvement from our local high school community,” said Board Chair Hector Martinez. “We are continually amazed by the talent and photography skills of students in our service area and we encourage residents to go to see the photos at the Bonita Museum and Historical Society.”

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Colorado River Basin-Lake Mead-snowpack-Colorado River-Reclamation

Above-Average Snowpack Will Raise Lake Mead, Buy Time for Collaboration

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A federal report released April 20 says near-record snowpack in the Colorado River Basin could raise the elevation of Lake Mead by more than 20 feet by the end of the year, providing a critical opportunity for water agencies to improve long-term management of the river.

The U.S. Bureau of Reclamation’s report shows vastly improved hydrological conditions are also expected to raise the water level in Lake Powell by more than 50 feet. California relies heavily on lakes Powell and Mead for water, as do Arizona and Nevada.

Despite the good news this year, the ongoing trend toward a hotter and drier climate means long-term solutions remain critical. About two-thirds of San Diego County’s supplies are conserved Colorado River water.

Water rights

The San Diego County Water Authority supports a consensus-based approach for long-term solutions that uphold California’s high-priority water rights on the Colorado River.

“The report is definitely welcome news and will buy us time to make crucial decisions,” said Dan Denham, the Water Authority’s deputy general manager. “It’s critical that everyone with a stake in the river – including the Bureau of Reclamation, basin states, tribes and Mexico – continue to develop real and lasting solutions for the river’s long-term operation.”

Lake Mead water level

In its annual “24-Month Study,” Reclamation addresses changing conditions on the Colorado River and forecasts operations for the river system’s reservoirs for the following two years. Today’s report projects the above-average snowpack will help recharge the Colorado River. Up to 9.5 million acre-feet of water is expected to be released this year from Glen Canyon Dam into Lake Mead, an increase of 2.5 million acre-feet. That water could increase Lake Mead’s water level by more than 20 feet and break years of declines in the reservoir’s levels. Actual water releases into Lake Mead will be adjusted based on the observed inflow in Lake Powell.

The study follows Reclamation’s April 11 release of a draft Supplemental Environmental Impact Statement that considers changes to near-term operations on the Colorado River, including potential reductions in water supplies for California and across the Lower Colorado River Basin. The draft analyzes two alternatives, plus a no-action alternative.

Colorado River Basin

The Water Authority continues to collaborate with its partners on the Colorado River Board of California to ensure the state’s high-priority water rights on the river are upheld through the environmental review process.

“We are hopeful that Reclamation’s flow projections will materialize as expected,” Denham said. “At the same time, the Colorado River remains mired in decades of hot, dry weather that requires new thinking about water use and conservation across the Basin. As we work collaboratively to find consensus-based, long-term solutions that serve all water users, we will continue to advocate that any future actions uphold the Law of the River and California’s senior rights.”

San Diego County Water Authority And its 24 Member Agencies

Above-Average Snowpack Will Raise Lake Mead, Buy Time for Collaboration

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April 20, 2023 – A federal report released today says near-record snowpack in the Colorado River Basin could raise the elevation of Lake Mead by more than 20 feet by the end of the year, providing a critical opportunity for water agencies to improve long-term management of the river.

The U.S. Bureau of Reclamation’s report shows vastly improved hydrological conditions are also expected to raise the water level in Lake Powell by more than 50 feet. California relies heavily on lakes Powell and Mead for water, as do Arizona and Nevada.

Despite the good news this year, the ongoing trend toward a hotter and drier climate means long-term solutions remain critical. About two-thirds of San Diego County’s supplies are conserved Colorado River water.  

The San Diego County Water Authority supports a consensus-based approach for long-term solutions that uphold California’s high-priority water rights on the Colorado River.   

“Today’s report is definitely welcome news and will buy us time to make crucial decisions,” said Dan Denham, the Water Authority’s deputy general manager. “It’s critical that everyone with a stake in the river – including the Bureau of Reclamation, basin states, tribes and Mexico – continue to develop real and lasting solutions for the river’s long-term operation.”  

In its annual “24-Month Study,” Reclamation addresses changing conditions on the Colorado River and forecasts operations for the river system’s reservoirs for the following two years. Today’s report projects the above-average snowpack will help recharge the Colorado River. Up to 9.5 million acre-feet of water is expected to be released this year from Glen Canyon Dam into Lake Mead, an increase of 2.5 million acre-feet. That water could increase Lake Mead’s water level by more than 20 feet and break years of declines in the reservoir’s levels. Actual water releases into Lake Mead will be adjusted based on the observed inflow in Lake Powell. 

Today’s study follows Reclamation’s April 11 release of a draft Supplemental Environmental Impact Statement that considers changes to near-term operations on the Colorado River, including potential reductions in water supplies for California and across the Lower Colorado River Basin. The draft analyzes two alternatives, plus a no-action alternative.  

The Water Authority continues to collaborate with its partners on the Colorado River Board of California to ensure the state’s high-priority water rights on the river are upheld through the environmental review process.  

“We are hopeful that Reclamation’s flow projections will materialize as expected,” Denham said. “At the same time, the Colorado River remains mired in decades of hot, dry weather that requires new thinking about water use and conservation across the Basin. As we work collaboratively to find consensus-based, long-term solutions that serve all water users, we will continue to advocate that any future actions uphold the Law of the River and California’s senior rights.” 

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OMWD Recognized for Budgeting Excellence and Exemplary Bond Rating

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Encinitas, Calif. — Olivenhain Municipal Water District’s Board of Directors accepted at its April 19 meeting the California Society of Municipal Finance Officers’ Operating Budget Excellence Award for Fiscal Years 2023 and 2024.

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Olivenhain Municipal Water District’s 4S Ranch Water Reclamation Facility is California’s Plant of the Year

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Encinitas, Calif. — Today, Olivenhain Municipal Water District’s 4S Ranch Water Reclamation Facility was awarded California Water Environment Association’s statewide 2022 Plant of the Year Award at CWEA’s Annual Conference in San Diego. The award acknowledges the facility’s accomplishments to increase water supply reliability by reducing imported water demand and plant operations. In addition to the honors as California’s plant of the year, the facility received the same designation at the local level earlier this year from CWEA’s San Diego Section.

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Sweetwater Authority Logo 2019Sweetwater Authority Logo 2019

Sweetwater Authority Waives Fishing Fees on Saturdays and Sundays at Sweetwater Reservoir

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Chula Vista, Calif. — Sweetwater Authority expanded its “Free Fishing” promotion to include Saturdays and Sundays at the Sweetwater Reservoir Recreation Program. Free access begins Saturday, April 22 and will continue through the end of 2023.

Located at the eastern edge of Bonita, California, Sweetwater Reservoir’s Recreation Program is easily accessible to Authority customers and offers an abundance of outdoor activities, including shoreline fishing and a riding and hiking trail operated by the County of San Diego.

The program’s shoreline fishing access stretches along a 2.5 mile stretch on the south side of Sweetwater Reservoir. Anglers can catch a variety of fish, including bass, catfish, bluegill, red eared sunfish and crappie.

The program is currently open Friday through Monday from 7 a.m. to 5 p.m. The entrance is located at 3203 Summit Meadow Road, Bonita, CA 91902. A valid California Department of Fish and Wildlife Fishing License is required. Regular fishing fees are still in effect on Fridays and Mondays.

Sweetwater Authority is a public water agency providing safe, reliable water to National City, Chula Vista and Bonita.

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