Los Angeles County

Elderberry Forebay is a small reservoir in Los Angeles County, California, which serves as the pumping forebay of the Castaic Power Plant. It located at the upper end of the larger Castaic Lake and is separated from the lake by Elderberry Forebay Dam at its southern edge. Entering the northern end of the forebay is the west branch of the California Aqueduct, which connects the forebay to Pyramid Lake through the Angeles Tunnel.

Dry Canyon Reservoir is a small reservoir formed by an embankment dam on Dry Canyon Creek in the Sierra Pelona Mountains of northern Los Angeles County, California, just north of the city of Santa Clarita. It was designed a part of the Los Angeles Aqueduct system.