Summary : Adults + children sitting on lake bank awaiting fireworks,see a bright blue ball streak fast across skyline, decend andseemingly to go into lake, but no sound was heard orsplash seen.Family members, adults and kids, sitting on lake shore at dusk.The sky was begining to become dark, water infront of us, many trees across from us.We were watching the sky for the fireworks.Out of the northwest sky a brite blue ball assendedto streak north to south and then decend as if intothe lake. But no sound was heard or splashseen. A boat passed by the spot soon afterwards.We all thought it was a shooting star until wesaw a report with a picture on a local tv stationwith a video, and realised that waswhat we saw.