Recreational boating has been closed on Lake Tulloch due to an invasive mussel threat. … Due to their rapid reproduction and ability to adhere to submerged surfaces, golden mussels pose a hazard to water sources by blocking conveyance infrastructure and intake pipelines. They have the potential to upset the natural equilibrium by displacing sport fish and native species. They are hard to get rid of once they are out there. The minuscule mussels may live in water for a long time as larvae. On boats or other watercraft, they may be carried with ease in live wells, bilges, ballast tanks, engine systems, plumbing, or any other compartment.

Related article:

• The Union (Grass Valley, Calif.): NID to continue discussion of golden mussels, water conservation