San Diego County Water Authority Did Not Meet Treatment Requirement (Disinfection) Anyone in San Diego that relies on the San Diego County Water Authority for their water supply should have received a post card regarding a “treatment process failure” in the regional treatment plant. This “failure” happened on April 21-22, 2019. They have since put additional treatment processes in place, but why did it take so long to inform the public???? Can we trust the San Diego Water Authority going forward? You can protect yourself with an ultrafilter water filtration installed by the trusted professionals at Rooter-Man San Diego. Call 858-679-0585 today to have your water tested for chloramines and other contaminants because can we really trust the SD Water Authority?