ChautauQua Lake Three boaters rescued over holiday weekend By Associated Press • May 28, 2019 Authorities say two boaters have been rescued from a cabin cruiser that was sinking in Lake Chautauqua. DEC algal bloom action plans: upgrade septics, stop invasive species, grant funding By Tom Magnarelli • Jul 13, 2018 New York State Department of Environmental Conservation The New York State Department of Environmental Conservation released action plans for 12 waterbodies affected by harmful algal blooms. The state is partnering with local communities to reduce and eliminate the blooms. Chautauqua County investing millions in water infrastructure upgrades By Nick Lippa • Nov 6, 2017 The small town of Mayville is getting about $4 million to improve their water infrastructure. It is just the latest water upgrade being made in Chautauqua County. Snowmobilers urged to take caution around Chautauqua Lake By Avery Schneider • Feb 15, 2015 The Chautauqua County Sheriff's Office is advising extreme caution for snowmobilers traveling along Chautauqua Lake.