A tragic day in Oklahoma waters Flickr/GrapevineTxOnline.com and last updated 2021-07-24 22:51:12-04 TULSA, Okla â A tragic day in Oklahoma waters, two separate incidents in two different bodies of water. One of the incidents happened at Flint Creek Water Park in Delaware County. The Grand River Dam Authority tells us a young girl drowned, they have not confirmed her age at this time. An eye witness tells us she witnessed search crews looking for the girl for over an hour. She tells 2 News that crews found her on the opposite side of the initial search area. Another incident occurred over at Grand Lake where a boat accident left three people injured.