Draft 2025 Urban Water Management Plan

South East Management Area

Figure 7. Figure 3-6: Total Vertial Ground Surface Displacement from June 2015 to July 2020

3.2.6 Groundwater and Surface Water Interactions and Groundwater Dependent Ecosystems

The primary surface water drainage in the South East Management Area is Serrano Creek. Serrano Creek is an intermittent stream that only flows during the rainy season following storm events. The predominant interaction between the surface flow in the creek and groundwater is percolation from the creek and recharge of the groundwater (see Boyle 2002 Groundwater Supply Evaluation study). Groundwater does not typically discharge at the land surface near the creek. Data from the California Department of

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BASIN 8-1 ALTERNATIVE 2022 UPDATE

Appendix F - 219

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