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Executive Order N-05-19 requires the Department of Forestry and Fire Protection (CAL FIRE) to identified 35 priority projects that can be implemented immediately to reduce public safety risk for over 200 communities. These projects also take into account necessary actions to protect vulnerable populations, and communities as a prescriptive and deliberative endeavor to realize the greatest returns on reducing risk to life and property.
Statewide GIS layer of CDF Unit and Region boundaries, updated 2019
Statewide GIS layer of tree seed zones with similar climate and soils, used by CDF to designate and reference seed collection areas.
GIS layer of vegetation (CALVEG and WHR) from 1997 to the present. Tiled by region.
These data were used in the California Vegetation Treatment Programmatic EIR. There are four layers: treatable areas with fuel types, modeled treatable areas for ecological restoration, modeled treatable ares for WUI, modeled treatable areas for fuel breaks.
Appropriate areas within which to implement vegetation treatments as part of the CalVTP were identified by dividing state responsibility areas (SRA) into vegetation types from the California Wildlife Habitat Relationship (CWHR) system.
Certain vegetation types were excluded because their wildfire risks are negligible (e.g., wet meadow, estuarine). Agricultural vegetation types were also excluded because this land is generally outside the SRA.
Using this method, 20.3 million acres within the 31 million-acre SRA were identified that may be appropriate for vegetation treatments as part of the CalVTP. Throughout this PEIR, this area is called “treatable landscape” or "treatable areas". The proposed target of 250,000 annual acres of treatment would occur within the 20.3 million acres of treatable landscape.
It is important to note that the treatable landscape represents areas suitable for CalVTP vegetation treatments, but projects will not necessarily occur in every location within the treatable landscape. The location and geographic extent of projects will be determined based on several factors, including environmental constraints and treatment objectives.
Appendix PD-1 in the Draft PEIR provides a description of Treatable Landscape Modeling. Download the Draft CalVTP Draft PEIR here: https://bof.fire.ca.gov/projects-and-programs/calvtp/
This dataset contains hydrologic regions, huc 8 watershed boundaries, and planning unit watershed boundaries for the state of California
County boundaries as maintained by CAL FIRE FRAP.
Statewide GIS layer showing wildland fire protection areas by state, federal, and local agencies, established by mutual consent. Updated April, 2021.
CALFIRE and Schedule A Contract facilities for fire suppression. Includes fire stations, air attack and helitak bases, conservation camps and support facilities. Updated May, 2022
These data are hosted at the Office of the State Fire Marshal. Click here to access them.
Statewide GIS layer in raster format of fire threat, which combines expected fire frequency with potential fire behavior to create 4 threat classes (v14_2).
This is a multi-agency statewide database of fire history. For CAL FIRE, timber fires 10 acres or greater, brush fires 30 acres and greater, and grass fires 300 acres or greater are included. For the USFS, there is a 10 acre minimum for fires since 1950.
This dataset contains wildfire history, prescribed burns and other fuel modification projects.
Updated April, 2022
These are raster datasets developed in 2018 to support the California Assessment of Forest and Rangelands. These datasets are also available in a viewer
Revised in 2015. Raster representation of statewide vegetation with WHR types, WHR size and WHR density.
A full accounting of incorporated California cities, including the boundary and name of each individual city. Latest version updates our determination of city boundaries as of April, 2022
Statewide GIS layer of land ownership, compiled from multiple data sources and snapped to county parcels. Last updates May, 2022.
This data depicts areas of state, local, and federal emergency response responsibility. It was last updated in April, 2022.
These are High Hazard Zones created as a response to the 2012-2018 drought and associated tree mortality.
There are three Tiers:
Tier 1 is where tree mortality directly coincides with critical infrastructure,
Tier 2 is watershed based and focused on forest restoration. In 2019 wildfires greater than 100 acres from 2012 to the publish date were also added. As of 2020, high and very high FHSZ in forested areas was added.
Combined Tier1 and Tier2 is a layer put together of Tier1 and Tier 2 for ease of use as well as acres accounting.
With the 2021 update, there are also three reference layers for tracing the origin of Tier 2: 1)Fire Perimeters, 2)Watershed based Tier 2, and 3) FHSZ for HHZ.