Featured EventsAll Big Sweep, Soil and Water Conservation Events Big Sweep Spring 2023- Town of Cary (Multiple Shifts!) April 1, 2023 8:00am to 4:00pm Big Sweep , Soil and Water Conservation Big Sweep Spring 2023- Lake Crabtree County Park Lake Crabtree County Park April 1, 2023 9:00am to 12:00pm Big Sweep , Soil and Water Conservation Big Sweep Spring 2023- Walnut Creek Wetland Park April 1, 2023 9:00am to 12:00pm Big Sweep , Soil and Water Conservation