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Water Supply
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Camrosa is fortunate to have several sources of water and separate delivery systems in place to deliver three separate classes of water. While existing sources of water are considered sufficient to meet both the short-term demand and the growth in that demand expected by 2020, the District continues to pursue further use of local resources in order to reduce its dependence on imported water.
The current sources of supply for the customers and properties within the District service area are a complex mix of public and private sources including imported state water, public and private wells in three groundwater basins, surface water diverted from Conejo Creek and recycled water from Camrosa's Water Reclamation Facility. A single parcel, particularly agricultural parcels, may have more than one source of supply. More than two-thirds of the water demand within the District is satisfied by Camrosa while the remaining supply is provided by property owners who own their own wells. While total demands will increase very slowly over the next 20 years, Camrosa is assuming service responsibility for a greater proportion of the water demand with the completion of the Conejo Creek Diversion Project. By 2005, the District will provide for nearly 90% of the demand.
Having multiple water sources gives the District considerable flexibility and improved reliability. The District's water management program is based on the conjunctive use of imported surface water and groundwater from basins underlying the District. Water distributed in the potable water system is a blend of about two-thirds imported surface water from the California Aqueduct and one-third local groundwater.
 Groundwater is obtained from the three principal groundwater basins within the District. From east to west, they are the Tierra Rejada Basin , the Santa Rosa Basin and the Pleasant Valley Basin . Of the wells operated in the by the District, there is one each in the Tierra Rejada and Pleasant Valley Basins with the remainder located in the Santa Rosa Basin. The Woodcreek Well in the Pleasant Valley Basin is used as an injection facility as well as an extraction facility, providing the capability to store water during wet periods for later recovery during dryer periods.
The use of recycled water from the Camrosa Water Reclamation Facility is being expanded as the California State University - Channel Islands campus develops and additional area growers begin using recycled water for agricultural production. As wastewater flows increase because of new development within the District, the recycled water supply will also continue to grow.
Significant quantities of potable water are delivered for agricultural or landscape irrigation. With the completion of the Conejo Creek Diversion Project in 2002, the new non-potable water supply has become a welcome additional source to serve irrigation needs.
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