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Description: County Faults/Fault Zones (Per Riverside County General Plan 10/2003). Alquist-Priolo Earthquake Fault Zones have been designated by the California Division of Mines and Geology for the Elsinore, San Jacinto, and San Andreas fault zones in Riverside County. Within the rapidly growing county, State A-P mapping has not kept pace with development. The County of Riverside has zoned fault systems and required similar special studies prior to development. These are referred to as County Fault Zones on Figure S-2 and in the Technical Background Report. Within A-P and County Fault Zones, proposed tracts of four or more dwelling units must investigate the potential for and setback from ground rupture hazards. As there are many active faults in Riverside County, with new fault strands being continually discovered, all proposed structures designed for human occupancy should be required to investigate the potential for and setback from ground rupture. Also of concern are structures, not for human occupancy, that can cause harm if damaged by an earthquake, such as utility, communications, and transportation lifelines. The County regulates most development projects within earthquake fault zones (Figure S-2). Projects include all land divisions and most structures for human occupancy. Before a project can be permitted within an A-P Earthquake Fault Zone, County Fault Zone, or within 150 feet of any other potentially active or active fault mapped in published United States Geological Survey (USGS) or California Division of Mining and Geology (CDMG) reports, a geologic investigation must demonstrate that proposed buildings will not be constructed across active faults.Updated 2/2016 with Thermal and Indio California Geologic Survey Quads
Service Item Id: 2fb94198c71f41d78c5967e1176616d5
Copyright Text: USGS, California Division of Mining and Geology
Description: These polygons represent Western Riverside County's Vegetation types. It was originally obtained from WRCOG and produced by KTUA consultants. Source date approx. 1994. RBF consultants made minor updates through field verification.
Description: This data set of polygon feature represents Riverside County's Agriculture Preserves. Data was spatially adjusted in 2020. STATUS: "O" for Original or "A" for AmendmentAP_NAME: Ag Preserve nameAP_NUMBER: Numbered for a given area. Example: AP_Number 5 for Winchester represents the 5th preserve in that area.MAP_NUMBER: A unique number representing the establishment, deletion or enlargement of an agpreserveAP_FULL_NAME: Contains combined attributes from AP_NAME + AP_NUMBER + MAP_NUMBER.ADOPTED_DATE: Date of adoptionCROP_TYPE: Crop type for a particular agpreserveNONR_DATE: Date of issue for a non-renewalACTIVE: "Y"/"N" to signify if agpreserve is active or notAMENDMENT_NO: Recorded amendment number
Service Item Id: 2fb94198c71f41d78c5967e1176616d5
Copyright Text: Data has been compiled from sources in Riverside County Planning.
Description: This data set of polygon features represents Riverside County's school districts. Layer was provided by Riverside County Office of Education (RCOE).Data was spatially adjusted in 2020.Last updated 2/2020
Description: This data set of polygon features represents Riverside County's liquefaction zones.ZONE: Internal attributeSUSCEPTIBILITY: Generalized description of liquefaction susceptibilityDEFINITION_1: General description fieldDEFINITION_2: General description fieldDEFINITION_3: General description field DEFINITION_4: General description field
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Description: Established in 1982, Government Code Section 65570 mandates FMMP to report biennially on even numbered years, the conversion of farmland and grazing land, and to provide maps and data to local government and the public. The Important Farmland survey area is based on Natural Resources Conservation Service (NRCS) modern soil surveys covering most non-governmental lands in California; 51 counties are fully or partially surveyed during the 2018 map update. Soil surveys specific to National Forests or other government land units are not surveyed. Beginning in 2002, SSURGO digital soil information was incorporated into the Riverside County Important Farmland data and the 2016 data began to incorporate the new NRCS Gridded Soil Survey (gSSURGO). Data subsequent to 2002 may have acreage and soil line differences due to incorporation of newer NRCS-SSURGO or gSSURGO editions.Prior to the availability of SSURGO or gSSURGO, soil information was hand-transferred from the paper soil surveys. Older versions of the data have not been modified. The land use minimum mapping unit of ten acres has not changed, but digital soil units of less than one acre occur in the gSSURGO-enhanced Important Farmland data. The data between 2002 and 2014 incorporates SSURGO and the interaction of land use and soil components resulted in units of less than ten acres for categories such as Other Land. The 2016 data incorporates gSSURGO and will no longer merge resulting polygons less than one acre for any map category for that and future updates. For more information on gSSURGO, contact the USDA-Natural Resources Conservation Service: https://www.nrcs.usda.govUSDA NRCS soil surveys CA638 (San Diego Area); CA678 (Orange County and Western Part of Riverside County); CA679 (Western Riverside Area); CA680 (Coachella Valley Area); CA681 (Palo Verde Area); AZ656 (Colorado River Indian Reservation, Parts of AZ and CA).Riverside County initial mapping year - 1984.USDA NRCS soil survey CA638 (San Diego Area) was added to the survey area in 2008.Geodetic Model: 1984 to 2012 - North American Datum of 1927; 2014 to 2018 - North American Datum of 1983.2018 county boundaries: California Department of Forestry and Fire Protection, Fire and Resource Assessment Program (FRAP) 2018 version (cnty 18_2) of California Counties GIS data. https://frap.fire.ca.gov2018 Imagery source: USDA Farm Service Agency - National Agricultural Imagery Program (NAIP); Summer 2018; True color; 1 meter resolution. https://www.fsa.usda.govGoogle Incorporated; Various dates; True color; Google Maps and Streetview. https://www.google.com/maps
Service Item Id: 2fb94198c71f41d78c5967e1176616d5
Copyright Text: A citation for the Farmland Mapping and Monitoring Program on any map products, graphic media, or data analyses based on the data is appreciated.