How many drinking water systems are regulated by Environmental Healths Drinking Water Protection Services?
A. Currently, Environmental Health’s Drinking Water Protection Services regulates 1,251 drinking water systems, ranging from two to 199 service connections. The California Department of Health Services (CA-DHS) regulates water systems that have 200 or more service connections. Single-connection water systems (a drinking water source supplying only one single family dwelling) are not regulated by EHD.