Santa Cruz County Private and Small Water Systems
In the unincorporated areas of the county individual parcels and communities rely on private wells and stream diversions for their water supply. Santa Cruz County , acting as a Local Primacy Agency for the California Public Health Department, oversees small water systems serving between 5 and 199 water connections. Called the Drinking Water Program, it is designed to ensure that small public water supply systems deliver a reliable and adequate supply of groundwater or surface water to their customers. There are approximately 130 small water systems in the county serving roughly 2,500 households. Additionally, there are at least 8,000 private wells in Santa Cruz County that serve between 1 and 4 households. The map below shows the distribution of these private and small water systems in the county.