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  • Policies
    1. Policy LU-4.4 Natural topography in the Mountain region

      We require new development in the Mountain region to retain natural topography and minimize grading unless it is necessary to reduce exposure to natural hazards.

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  • Policies
    1. Policy M/H-1.1 Site design

      We regulate the density, mass, and height of residential development in hillside areas in order to reduce fire hazards, prevent erosion, preserve natural viewsheds, and maintain the forest character of the Mountain Region.

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  • Policies
    1. Policy PP-4.1 Emergency management plans

      A reduced risk of and impact from injury, loss of life, property damage, and economic and social disruption resulting from emergencies, natural disasters, and potential changes in climate.

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    2. Policy PP-4.2 Critical and essential facility operation

      We ensure that critical and essential County facilities remain operational during emergencies.

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    3. Policy PP-4.3 Automatic and mutual aid

      We participate in agreements for automatic and mutual aid with other local, state, federal, and nongovernmental emergency service providers to improve protection services and emergency response throughout the county.

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  • Goals
    1. Goal HZ-1 Natural Environmental Hazards

      Minimized risk of injury, loss of life, property damage, and economic and social disruption caused by natural environmental hazards and adaptation to potential changes in climate

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    Policies
    1. Policy HZ-1.1 New subdivisions in environmental hazard areas

      We require all lots and parcels created through new subdivisions to have sufficient buildable area outside of the following environmental hazard areas:

      • Flood: 100-year flood zone, dam/basin inundation area
      • Geologic: Alquist Priolo earthquake fault zone; County-identified fault zone; rockfall/debris-flow hazard area, existing and County-identified landslide area
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    2. Policy HZ-1.2 New development in environmental hazard areas

      We require all new development to be located outside of the environmental hazard areas listed below. For any lot or parcel that does not have sufficient buildable area outside of such hazard areas, we require adequate mitigation, including designs that allow occupants to shelter in place and to have sufficient time to evacuate during times of extreme weather and natural disasters.

      • Flood: 100-year flood zone, dam/basin inundation area
      • Geologic: Alquist Priolo earthquake fault zone; County-identified fault zone; rockfall/debris-flow hazard area, medium or high liquefaction area (low to high and localized), existing and County-identified landslide area, moderate to high landslide susceptibility area)
      • Fire: high or very high fire hazard severity zone
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    3. Policy HZ-1.5 Existing properties in environmental hazard areas

      We encourage owners of existing properties in hazard areas to add design features that allow occupants to shelter in place and to have sufficient time to evacuate during times of extreme weather and natural disasters.

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    4. Policy HZ-1.6 Critical and essential facility location

      We require new critical and essential facilities to be located outside of hazard areas, whenever feasible.

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    5. Policy HZ-1.7 Underground utilities

      We require that underground utilities be designed to withstand seismic forces, accommodate ground settlement, and hardened to fire risk.

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    6. Policy HZ-1.9 Hazard areas maintained as open space

      We minimize risk associated with flood, geologic, and fire hazard zones or areas by encouraging such areas to be preserved and maintained as open space.

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    Related Materials
    1. Policy Maps HZ-1 Earthquake Fault Zones (PDF | WEB)
    2. Policy Maps HZ-2 Liquefaction & Landslides (PDF | WEB)
    1. FOCUS STATEMENT B - Improve public safety; EMS, fire and sheriff.
      Action Statement B.3

      Establish primary and back-up emergency communication systems.

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