Elevated E. coli levels have been detected at Avocado Lake.

The Central Valley Regional Water Quality Control Board announced that a sample collected on July 30 surpassed the Statewide Bacteria Water Quality Objectives.

Driving the news: The Central Valley Water Board monitors and evaluates water quality data for lakes and rivers throughout the Central Valley that are used for recreational activities. • E. coli samples are collected in selected watersheds weekly. The results are publicly available on an online interactive map.

What to do: While most E. coli strains are harmless, the Fresno County Department of Public Health is urging people to take precautions when swimming in local lakes and rivers. • The department says to not drink river or lake water and to not use river or lake

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