The County of Sacramento requires all dogs to be on a leash when in public. Penalty is enforceable by Animal Control or the Sheriff's Department. The Vernal Pools are federally protected land. A dog entering the Vernal Pools transmits foreign horticultural substances (e.g. fertilizers, grass seed, etc.). The Department of Fish and Game and the Vernal Pool Management Plan require the posting and enforcement of the prevention of dogs in the Vernal Pools.