Why Was All of LA County Notified of Residential Gas Leak?

Why was all of Los Angeles County notified of a Gasleak is in a residential area? It is not even close to any oil and gas drilling, a power plant, or a refinery.  Stewart & Gray RD and Rives Ave gas leak is in a residential area. 

Why was all of #LACounty notified of a #Gasleak is in a residential area? It is not even close to a power plant or a refinery. pic.twitter.com/kUNBSBuI2H

— PowerPlantMaps.com (@powerplantmaps) April 22, 2021

DFD, Gas Company and DPD attend a #gasleak on the corner of Stewart & Gray Rd.& Rives Ave.
Evacuations have been made within a 300 ft radius.

Photos: @downeyfiredepartment #DowneyCA #LosAngeles #Downey #California #LACounty pic.twitter.com/NFVJMS8uCw

— Michael Barthel (@RealMiBaWi) April 22, 2021