San Vicente Dam Raise

County of San Diego, CA

PDC is providing land survey and right-of-way engineering services which may total as much as $950 K to the San Diego County Water Authority on their 2nd Aqueduct to San Vicente Pipeline Tunnel Project and the recently completed Dam Raise Project. These projects consist of a 12-mile, 108” dia. pipeline in a 120” diameter tunnel, a hydroelectric facility, a pump station, 2 portals and 3 vertical shaft sites, a 100-foot vertical raising of the dam and expanding of the reservoir footprint, and access roads.


PDC performed 1st order GPS surveys, aerial topographic mapping and imagery, right-of-way engineering, and GIS data conversion services for the new 12-mile pipeline tunnel and dam raise projects. The pipeline and dam raise project required R/W acquisition from over 100+ ownerships and a survey of the City-owned watershed consisting of  (16) PLSS sections of land. PDC has performed all right-of-way surveys and documents for the new pipeline and expanded reservoir footprint. PDC is also under contract with the Authority for As-Needed Surveying.




• Boundary Surveys

• Topographic Surveys

• Right-of-Way Acquisition

• GIS Services

• Photogrammetry





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