Report shows 75 percent of Los Angeles County water systems vulnerable to drought, other challenges

Despite the importance of potable water to the quality of life, economy and ecosystems in Los Angeles County, surprisingly little is known about the 228 government and private entities that deliver water, and how vulnerable or resilient they are to withstanding pressures from droughts and climate change. A new study by the UCLA Luskin Center for Innovation fills this gap and finds that 75 percent of community drinking water systems in Los Angeles County exhibit at least one indicator of supply vulnerability due either to dependency on a single type of water source, local groundwater contamination, small size or a projected increase in extreme heat days over the coming decades.

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