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Los Angeles County Waterworks District No. 40 Antelope Valley

Los Angeles County Waterworks District No. 40 Antelope Valley. Dean Efstathiou Deputy Director County of Los Angeles Department of Public Works. Los Angeles County Waterworks District No. 40 Antelope Valley Overview. The District consists of the following eight Regions: Region 4, Lancaster

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Los Angeles County Waterworks District No. 40 Antelope Valley

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  1. Los Angeles CountyWaterworks District No. 40Antelope Valley Dean Efstathiou Deputy Director County of Los Angeles Department of Public Works

  2. Los Angeles County Waterworks District No. 40Antelope Valley Overview • The District consists of the following eight Regions: • Region 4, Lancaster • Region 34, Desert View Highlands • Region 24, Pearblossom • Region 27, Littlerock • Region 33, Sun Valley • Region 38, Lake Los Angeles • Region 35, Northeast Los Angeles County • Region 39, Rock Creek • The District has approximately 47,000 customers with an annual water demand of 55,000 acre-feet.

  3. Los Angeles County Waterworks District No. 40Antelope Valley Overview • The District has two sources of water supply; groundwater and State Water Project (SWP) water. • In the last 12 months, approximately 66% of the District’s water supply was SWP water and the remaining 34% was ground water.

  4. Los Angeles County Waterworks District No. 40Antelope Valley Overview • The 68% of the SWP water used by the District in 2003 accounted for 62% of AVEK’s sales of SWP water. • Approximately 86 percent of the District’s customers live in Regions No. 4, Lancaster and No. 34, Palmdale. • In the last 3 years, the number of customers in Regions No. 4, Lancaster and No. 34, Palmdale has increased by 11%.

  5. Number of Lots Requiring Will-Serve Letters and/or Water Service * Based on an Average Annual Consumption of ~ 1.2 AF per year per dwelling unit

  6. Projected Water Demand to the year 2025 and Current Annual Demand and Supply 2016 1999 **Normal Year – The hydrologic conditions expected for an average year based on data from 1922-1994

  7. Water Supply and Demand during Dry Years

  8. Factors that Led to the Temporary Halt of Issuing Will-Serve Letters • Increased water demands due to population growth. • Limited groundwater supplies due to overdraft conditions. • Uncertainty of the State Water Project (SWP) deliveries.

  9. Factors that Led to the Temporary Halt of Issuing Will-Serve Letters (cont.) • Limited AVEK treatment plant capacity and conveyance system. • Increasingly stringent new water quality standards (trihalomethanes [THMs] and arsenic standards).

  10. Steps the District has taken under the direction of Supervisor Michael D. Antonovich • Held meetings with various stakeholders to discuss water supply in the Antelope Valley. • Supervisor Michael Antonovich held a water summit in the Antelope Valley where he announced that AVEK and the District were working on an MOU to produce a water strategy to ensure future adequate water supplies while protecting the health of the Basin. • The MOU was adopted unanimously by AVEK last Tuesday and will be submitted to the County Board of Supervisors for their approval next Tuesday.

  11. Elements of the MOU • The MOU includes the following items: • Securing and firming up the water supply in the Antelope Valley. • Development and implementation of an Urban Water Management Plan for the Antelope Valley with collaboration among the various water purveyors (WWD 40, AVEK, LCID, RCSD, QHWD, CSDLA). • Banking of surplus SWP water in the Antelope Valley ground water basin. • Expansion of AVEK’s water treatment plants’ capacities. • Implementation of water conservation Best Management Practices (BMPs) with a goal to reach 15% reduction in water use. • Development of building ordinances to require new developments to incorporate water conservation BMPs such as native vegetation and xeriscape into development plans to reduce outdoor water usage. • Evaluating the need and planning for additional permanent SWP entitlement.

  12. Relationship with other Public Entities • At the Direction of Michael D. Antonovich, we held regular meetings with the City of Lancaster and made a presentation to the City’s Director of Public Works and some of his staff on the District’s existing/future water supplies and demands. • Supervisor Michael D. Antonovich has requested that we resume regular meetings with the cities of Palmdale and Lancaster. In addition, we plan to conduct regular meetings with other water purveyors, the Los Angeles County Sanitation Districts and Kern County Officials. We also plan to meet with private stakeholders such as the BIA and the Farm Bureau.

  13. Closing Comment • I appreciate the opportunity to address SCAG to outline our future strategies and plans in order to ensure an adequate water supply in the Antelope Valley in the coming years while protecting the health of the Basin.

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