Non-native quagga mussels reach Castaic Lake
The California Department of Water Resources announced Monday that for the first time it spotted quagga mussels, a non-native species, in Castaic Lake. Staff from DWR and the California Department of Fish and Wildlife found two quagga mussels shells in Castaic Lake on Aug. 17. DWR has monitored the lake since 2008, according to Maggie Macias, a representative for the agency.