CLEAR LAKE ― The calls to Clear Lake State Park come in steadily now from people saying they’ve heard the lake may no longer be safe for swimming. Judging from the number of campers who have canceled ...

Clear Lake, one of California's oldest and most-visited lakes, is not so clear anymore after an algal bloom turned the water cloudy and green. Images from NASA underscore the dramatic change in water ...

The water quality of Clear Lake — California’s largest natural freshwater lake — suffers from low-to-no-oxygen conditions that contribute to harmful algal blooms (HABs) and other issues, according to ...

A view of Clear Lake with Mount Konocti in the background on Dec. 1, 2022, in Nice, Calif. (Gary Coronado/Los Angeles Times) Clear Lake, one of California's oldest and most-visited lakes, is not so ...