From The Orange County Register
November 22, 2019
Small areas of Santa Ana and Anaheim identified as having a higher level of invasive Aedes mosquitoes will be sprayed for four nights, beginning Friday, Nov. 22.
Using a truck-mounted spraying system, Orange County Mosquito and Vector Control District workers plan to spray the pesticide between 10 p.m. and 5 a.m. from Friday night through Tuesday morning.
In Santa Ana, the area affected is bordered roughly between West Secrest Way and West Adams Street, and the Santa Ana Gardens Channel and one block off South Poplar Street.