Sweetwater Reservoir is a large water storage facility located in San Diego County, California. It serves as a crucial source of drinking water for the surrounding communities and is managed by the Sweetwater Authority. The reservoir is surrounded by scenic hills and offers recreational opportunities such as hiking and birdwatching. The reservoir has a capacity of approximately 1,200 acre-feet and is fed by the Sweetwater River. It plays an important role in local water conservation efforts and helps maintain the ecological balance in the area. The surrounding parklands provide a habitat for various wildlife species, making it a popular spot for nature enthusiasts.