San Joaquin County is launching a task force to combat the spread of golden mussels, an invasive species threatening the local ecosystem and infrastructure, with the help of $20 million in state funding. Deep beneath the Delta hides a threat to the ecosystem, as golden mussels, discovered in the area for the first time last year, are known for clogging pipes and harming native species. … The new funding aims to establish infrastructure for education, tagging, and inspections.