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AWWA ACE91170
- Direct Injection of Recycled Water Into Potable Aquifers
- Conference Proceeding by American Water Works Association, 01/01/1991
- Publisher: AWWA
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Since 1975, the Orange County Water District has operated an advanced wastewater reclamation plant, providing injection water to prevent seawater intrusion into the Huntington Beach/Fountain Valley groundwater basin and simultaneously recharge potable wells in the area. The project includes Water Factory 21 and a hydraulic barrier system consisting of 7 extraction wells and 23 multi-point injection wells with 81 injection points. Although coastal groundwater gradients fluctuate depending on recharge conditions and pumping, most of the water injected moves inland, eventually to be withdrawn by domestic and irrigation supply wells. An overview of current Water Factory 21 operations as well as a discussion of a new (Alamitos) barrier project are presented in this paper.
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