Welcome to the Tri-Dam ProjectTri-Dam Project is a partnership between the Oakdale Irrigation District and the South San Joaquin Irrigation District.
Golden Mussel & Aquatic Invasive Species (AIS) InformationTri-Dam Project is actively working to prevent the introduction and spread of aquatic invasive species, including the Golden Mussel. The invasive Golden mussel (Limnoperna fortunei), a non-native…
Road ConditionsRoad status conditions (open to public travel or closed to public travel) are available on this website. Tri-Dam staff accesses these roads on a daily basis using tracked vehicles and heavy equipment…
Tulloch Reservoir Permitting ProcessAs noted above, Tri-Dam is required through its license with the Federal Energy Regulatory Commission (FERC) to review and authorize any activity in and around the reservoir within the boundaries…