The annual state of the lake address will be given by Geoff Schladow on July 27.

Schladow runs the Tahoe Environmental Research Center in Incline Village.

The presentation will focus on the most important factors that affected the health of Lake Tahoe last year.

Registration for this event is required. The program will begin at 6pm, with refreshments and no-host bar from 5:30-6pm at 291 Country Club Drive on the campus of Sierra Nevada College.

Seating is open at 5:30pm to guests who have preregistered, open seating starts at 5:50pm. A $5 suggested donation will be collected at the door.