Portions of six counties-Alameda, Contra Costa, Sacramento, San Joaquin, Solano, and Yolo-make up the Delta, as shown on the map. Each of these counties is represented by an elected board of supervisors and has the responsibly of land use planning and zoning. The Delta Protection Act of 1992 provides for regional coordination by establishing the Delta Protection Commission. The Commission is to develop a long-term resource management plan for an area designated as the Delta Primary Zone. All local general plans for areas within this zone are required to be consistent with the regional plan. The Delta Primary Zone is shown on this map.
Court House in Courtland.
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