Exterior levee maintenance restrictions in areas identified as California Ridgway’s Rail habitat between February 1st and August 31st. More Information: Rail Restrictions

Delta Smelt are federal and state listed species with special protections. The most recent information on restrictions is provided here: Permit Restrictions

The annual dredging work season window is August 1st through November 30th of each year. If you are interested in dredging this fall, please fill out the application form and […]