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Perchlorate

One of the primary goals of the Santa Clara Valley Water District is to protect the community's groundwater supplies. In 2003, an investigation performed under the direction of state water officials detected a chemical called perchlorate in several water wells in South County. Although the contamination is under the jurisdiction of the Central Coast Regional Water Quality Control Board (RWQCB), the water district applied its significant resources to assess the extent of the perchlorate contamination. In addition to offering free well testing within the initial study area, the water district’s groundwater experts continue to provide technical assistance to the investigation.

Follow this link to see currently available perchlorate maps, monitoring reports, and cleanup progress reports for the Olin case. This link will take you to the Central Coast Water Board website, where you can also read recent correspondence on the perchlorate case.

Concerned residents may call Olin Corporation directly at Olin's Community Response hotline 1-800-295-6141 for information about their investigation and cleanup activities.

Providing stream stewardship, wholesale water supply and flood protection for Santa Clara County.