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Lopez Lake

Lake in Lopez Lake Recreation Area, Coast Ranges near Arroyo Grande, CA

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Lopez Lake is a reservoir near the city of Arroyo Grande in San Luis Obispo County, California. The lake is formed by Lopez Dam on Arroyo Grande Creek, 9 mi (14 km) upstream from the Pacific Ocean. The creek drains about 60 sq mi (160 km2) above the dam and 90 sq mi (230 km2) below. The dam was built in 1969 and is operated by the San Luis Obispo County Flood Control and Water Conservation District. The earth-fill dam was retrofitted to protect against earthquakes between 2001 and 2003. The lake's capacity is 49,200 acre·ft (60,700,000 m3). Lopez Lake provides drinking water for Arroyo Grande, Grover Beach, Pismo Beach, Oceano and Avila Beach. It also provides groundwater recharge, water for irrigation and flood control. Unlike most municipal water supplies, human contact with the water is…

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Lake