An appeal filed with the Los Angeles County Board of Supervisors on behalf of residents of the condemned Hacienda Vasquez Mobile Home Park in Agua Dulce is denied. The Chiquita Canyon Landfill is approved for expansion by the California Integrated Waste Management Board. Ingrid Boydston, a sixth-grade teacher at Santa Clarita Elementary School, and John Bartke, a Newhall resident who teaches at Littlerock High School in the Antelope Valley, are chosen 1999 Los Angeles County Teachers of the Year. A young 50-pound pit bull that attacked and killed a neighbor's small dog is destroyed. A blown transformer causes a power outage in the city that affected nearly 1,500 customers.
Construction begins on installation of high-tech metal detectors at Six Flags Magic Mountain.
The SCV Chamber of Commerce kicks off the 14th annual Home and Business Expo. Gusting Santa Ana winds of up to nearly 50 mph topple trees and tore down branches. A judge sentences James Bent to 10 years in prison for the death of Saugus High School senior Lauren Blaire. Electricity is shut down at the condemned Hacienda Vasquez Mobile Home Park in Agua Dulce. Two children, ages 3 and 8, are struck by a car as they crossed Rodgers Drive at Plum Canyon Road.