WEBVTT JACOMO IN BLUE SPRINGS. REPORTER: ON THE WATER, ADULTS ARE NOT REQUIRED TO WEAR LIKE THIS IN MISSOURI BUT YOUNG KIDS ARE. HAVING THEM ON CAN MAKE ALL OF THE DIFFERENCE. >> ABSOLUTELY HEARTBREAKING. . REPORTER: JANE, COULDN’T BELIEVE THE NEWS. 17 LIVES LOST AT TABLE ROCK LAKE, A GUT WRENCHING REMINDER OF HOW DANGEROUS THE WATER CAN BE. >> ESPECIALLY JUST THINKING ABOUT CHILDREN ON THE BOAT. YOU JUST CAN’T REALLY IMAGINE. . REPORTER: AS HER FAMILY TRIES TO UNWIND HERE AT LAKE JACOMO, SAFETY, THIS MOTHER’S PRIORITY >> WE HAVE A 4 YO AND A 2 YO AND THEY HAVE THE PUDDLE JUMPERS. . >> IF YOU FIND YOURSELF IN CHOPPY WATERS, IT’S BEST TO AHEAD AND PUT ON YOUR LIFE PRESERVER. . REPORTER: THE MISSOURI HIGHWAY PATROL, REMINDING WATER GOERS, CHILDREN UNDER 7 MUST WEAR A LIFE PRESERVER ON THE WATER, A LIFE VESTS MUST AT LEAST BE ON BOARD FOR ADULTS. >> IT’S LIKE YOUR SEATBELT. YOU JUST DON’T KNOW WHEN THAT TRAGIC EVENT IS GOING TO OCCUR. . REPORTER: WHILE JANE’S FAMILY HEADS BACK OUT, THE KIDS ARE IN THEIR VESTS, WITH EXTRAS IN REACH FOR EVERYONE. >> WE ALWAYS JUST TELL EVERYBODY THAT THEY NEED TO HAVE A LIFE JACKET NEAR BY OR READY TO