Officials are shoring up water systems infiltrated by the golden mussel. Dogs and human inspectors are checking boats at some lakes, but a patchwork of oversight leaves many lakes unprotected.

The invasive golden mussel reached California’s Delta in 2024. Now, the state is trying to protect Oroville Dam and other reservoirs from it.

State water managers made the alarming discovery last October that golden mussels, which are native to China and Southeast ...

One of the state’s best investigators was on the hunt for golden mussels — a dangerous new invader in California’s waters, with a reputation for destruction.

Golden mussels, an invasive species that officials across the country have been worried about for years, invaded North America for the first time through the Port of Stockton.

Golden mussels are tough and adaptable, capable of surviving in a wide range of temperatures. They spread quickly, threaten native species, and can increase nutrients in the water.

When golden mussels were first discovered on a float near the Port of Stockton last year, it sent shockwaves through Northern California water agencies.

So far, nearly 5,000 vessels have been inspected. Now, state parks officials said golden mussels were found attached to a boat during an inspection on Tuesday at Beals Point.

Golden mussel risks See’s presentation opened with slides showing the damage golden mussels can do to boats and infrastructure.

FOLSOM, California (KOVR) — After implementing an inspection and quarantine program at Folsom Lake to try to stop the spread of golden mussels, state park officials said the highly invasive ...