{61b300b9-6fa1-4929-b512-732435a53d1c} eng; USA utf8 dataset EnviroAtlas Coordinator U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas Geospatial Data Owner (919) 541-3832 109 T.W. Alexander Drive Research Triangle Park NC 27709 EnviroAtlas@epa.gov https://www.epa.gov/enviroatlas pointOfContact 2025-02-13 ISO 19115 Geographic Information - Metadata ISO 19115:2003/Cor.1:2006(E) EnviroAtlas - Sonoma County, CA - Domestic Water Demand per Day by U.S. Census Block Group 2019-02-25 publication U.S. EPA Office of Research & Development (ORD) - National Exposure Research Laboratory (NERL) Research Triangle Park NC publisher US Environmental Protection Agency (US EPA) originator As included in this EnviroAtlas dataset, community level domestic water demand is calculated using locally available water use data per capita in gallons of water per day (GPD), distributed dasymetrically, and summarized by Census block group. Domestic water use, as defined in this case, is intended to represent residential indoor and outdoor water use (e.g., cooking, hygiene, landscaping, pools, etc.) for primary residences (i.e., excluding second homes and tourism rentals). For the purposes of this metric, these publicly-supplied estimates are also applied and considered representative of local self-supplied water use. Specific to Sonoma County, CA, Urban Water Management Plans (available via data.ca.gov and individual providers) and an average of available Residential Gallons Per Capita per Day (R-GPCD) data (available through the California State Water Resources Control Board (CSWRCB)) were used. Within the EnviroAtlas community boundary, provider estimates range from 57 to 101 GPD. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets). Domestic water demand per Census block group is being provided as a water use metric for general public interest. The overall goal of EnviroAtlas is to employ and develop the best available science to map indicators of ecosystem services production, demand, and drivers for the nation. completed EnviroAtlas Coordinator U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas Geospatial Data Owner (919) 541-3832 109 T.W. Alexander Drive Research Triangle Park NC 27709 EnviroAtlas@epa.gov https://www.epa.gov/enviroatlas pointOfContact asNeeded Ecosystem Environment theme EPA GIS Keyword Thesaurus Census Block Groups Communities Demand for Ecosystem Services Drinking Water Ecology Ecosystem Ecosystem Services EnviroAtlas Environment Environmental Atlas Ground Water Surface Water Utilities Water theme EnviroAtlas California Sonoma County, CA place None https://edg.epa.gov/EPA_Data_License.html otherRestrictions Use Constraints: None. Please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated. otherRestrictions Access Constraints: None PUBLIC https://project-open-data.github.io/schema/#accessLevel Standard Technical Controls eng; USA environment -123.53196 -122.34041 38.07387 38.85106 9999-01-01 Initial local provider, domestic daily use estimates, and accompanying detail are available via www.waterboards.ca.gov and data.ca.gov. The dasymetric data is available for the contiguous U.S. via the EnviroAtlas. The Census block maps are available via www.census.gov/geo/maps-data/maps/block/2010. true Entity and Attribute Information Entity and Attribute Overview: For more information about EnviroAtlas data, go to https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets. The attribute table contains two fields, the U.S. Census block group identification number and the associated summarized water use estimate in thousands of gallons per block group. A comprehensive list of metric creation steps is included in the Processing Steps. Entity and Attribute Detail Citation: https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets EnviroAtlas Coordinator U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas Geospatial Data Owner (919) 541-3832 109 T.W. Alexander Drive Research Triangle Park NC 27709 EnviroAtlas@epa.gov https://www.epa.gov/enviroatlas distributor https://enviroatlas.epa.gov/download//SonCA_metrics_Apr2020_CSV_Shapes.zip download Download The URL providing direct access to the downloadable dataset. download https://enviroatlas.epa.gov/download//SonCA_metrics_Apr2020_FGDB.zip ESRI:ArcGIS API The endpoint of a web service to access the dataset (REST endpoint, WMS GetCapabilities URL, or a SOAP WSDL endpoint). webMapService https://enviroatlas.epa.gov/arcgis/rest/services information Documentation URL for accessing related documents such as data dictionary, technical information about a dataset, developer documentation, etc. information https://www.epa.gov/enviroatlas/enviroatlas-data information Home Page Alternative landing page used to redirect user to a contextual, Agency-hosted "homepage" for the Dataset or API information dataset Horizontal Positional Accuracy Report Data were collected using methods that have unknown accuracy (EPA National Geospatial Data Policy [NGDP] Accuracy Tier 10). For more information, please see EPA's NGDP at https://www.epa.gov/geospatial/epa-national-geospatial-data-policy Features represented have not been tested for completeness Features represented have not been tested for completeness Tests for integrity have not been performed. This lineage was generated by the FGDC CSDGM to 19139 transformation 1. Researched and collected local domestic per capita data values. Within the EnviroAtlas community boundary, provider estimates range from 57 to 101 GPD. 2018-07-16T00:00:00 2. Applied the GPDs by Census block. In the absence of GIS layers for service areas, applicable city Census block maps were used to apply the GPDs. ArcGIS was used for geospatial application and processing. 2018-07-16T00:00:00 3. Applied GPDs to Null GPD blocks using Census block groups. In the absence of further data, service provider GPD estimates were considered representative of self-provided/individual private wells. Block groups with Null GPDs were evaluated. The GPD covering the greatest area within the block group was assigned to the Null GPDs. 2018-07-16T00:00:00 4. Applied GPDs to Null GPD blocks using Census block tracts. Some block groups contained all Null GPDs. Tracts with Null GPDs were evaluated. The GPD covering the greatest area within the tract was assigned to the Null GPDs. 2018-07-16T00:00:00 5. Applied GPDs to remaining Null GPD blocks. Some tracts contained all Null GPDs. Assigned GPDs based on the closest city's GPD. 2018-07-16T00:00:00 6. Verified and rasterized (30m cells, snapped to the dasymetric raster) final GPD assignments. 2018-07-16T00:00:00 7. Distributed and weighted the water use according to population by multiplying the rasterized GPDs by the dasymetric data. 2018-07-16T00:00:00 8. Summarized the dasymetrically distributed water use by block group. 2018-07-16T00:00:00 unknown 2029-02-13 This metadata was automatically generated from the FGDC Content Standard for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2024-02-09T11:11:00 version of the FGDC CSDGM to ISO 19139 transform. EnviroAtlas Coordinator U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas Geospatial Data Owner (919) 541-3832 109 T.W. Alexander Drive Research Triangle Park NC 27709 EnviroAtlas@epa.gov https://www.epa.gov/enviroatlas pointOfContact