homes on this street, causing 59 residents to evacuate on their own and 49 others to escape using trucks and boats. sky 7 provides a clear sense of the scope of the flood as the nearby pacheco creek turned into a river, quickly threatening houses. this family was first urged to evacuate and then ordered to get away from the advancing floodwaters. she escaped on someone s back. piggyback ride. my little sister got a piggyback right. it wasn t that deep, i had boots on, but it was pretty bad. reporter: matt s house flooded damaging the floor, carpeting and walls. a neighbor alerted him at 1:30 in the morning how fast the water was rising. it was about two or three feet deep out there moving fast. so it came out there, it came from a break somewhere up there and was coming around the house, came down the road around into that pasture. reporter: pacheco creek was primed to flood. years of drought allowed trees and ground vegetation to take over the dry creek bed, creating