Florida Department of Environmental Protection (FDEP) 19980707 vector digital data Florida Department of Environmental Protection (FDEP) The following Florida counties: Hamilton, Suwannee, Colombia, Union, Bradford, Polk, Manatee, Hillsborough, Hardee, Sarasota, DeSoto, and Charlotte. This dataset contains DRASTIC coverage for the Intermediate Aquifer System. DRASTIC is a system developed jointly by the U.S. Environmental Protection Agency (USEPA) and the National Water Well Association (NWWA) to map potential aquifer vulnerability. The methodology utilizes existing hydrogeological information to produce color-coded maps which display areas that are more or less likely to be affected by pollution introduced on the ground's surface. These maps depict areas that are sensitive to land use changes which may affect ground water quality. Drastic maps are composites made up of eight individually mapped hydrogeological parameters. Seven of these parameters (depth to water - Dw, net recharge - Nr, aquifer media - Am, soil media - Sm, topography - T, impact of the vadose zone - Iv and hydraulic conductivity - Hc) are used to derive the DRASTIC summary index score. The eighth, hydrogeologic setting, is useful for general map interpretation but, it is not included in the summary index. To map potential aquifer vulnerability. Polygon 19980707 publication date Complete As needed -82.910828 -81.373985 30.593597 26.759569 None inlandWaters environment geoscientificInformation ISO 19115 Topic Categories environment geoscientificInformation inlandWaters None THE DATA INCLUDED IN FGDL ARE 'AS IS' AND SHOULD NOT BE CONSTRUED AS LEGALLY BINDING. THE UNIVERSITY OF FLORIDA GEOPLAN CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED AS A RESULT OF USING, MODIFYING, CONTRIBUTING OR DISTRIBUTING THE MATERIALS A note about data scale: Scale is an important factor in data usage. Certain scale datasets are not suitable for some project, analysis, or modeling purposes. Please be sure you are using the best available data. 1:24000 scale datasets are recommended for projects that are at the county level. 1:24000 data should NOT be used for high accuracy base mapping such as property parcel boundaries. 1:100000 scale datasets are recommended for projects that are at the multi-county or regional level. 1:125000 scale datasets are recommended for projects that are at the regional or state level or larger. Vector datasets with no defined scale or accuracy should be considered suspect. Make sure you are familiar with your data before using it for projects or analysis. Every effort has been made to supply the user with data documentation. For additional information, see the References section and the Data Source Contact section of this documentation. For more information regarding scale and accuracy, see our webpage at: http://geoplan.ufl.edu/education.html Florida Geographic Data Library (FGDL) mailing

431 Architecture PO Box 115706

Gainesville Florida 32611-5706 US For FGDL Software: http://www.fgdl.org/software.html Web site: http://www.fgdl.org FGDL Mailing Lists: http://www.fgdl.org/fgdl-l.html FGDL Frequently Asked Questions: http://www.fgdl.org/fgdlfaq.html Technical Support: http://www.fgdl.org/fgdlfeed.html Version 6.2 (Build 9200) ; Esri ArcGIS 10.7.1.11595 GeoPlan relied on the integrity of the attribute information within the original data. Drastic maps are most useful as a generalized tool to assess regional potential aquifer vulnerability. Except for soils and topography layers, the source maps used were regional, water management district or statewide in scale and scope of coverage. This precludes the use of DRASTIC maps as a site-specific tool for assessing potential aquifer vulnerability. The dataset provides location and attribute information for use in national and regional cartographic and network analysis applications. Relied on the integrity of the attribute information within the original data layer. Relied on the integrity of the attribute information within the original data layer. This data is provided 'as is' and its horizontal positional accuracy has not been verified by GeoPlan This data is provided 'as is' and its vertical positional accuracy has not been verified by GeoPlan Florida Department of Environmental Protection (FDEP) 19980707 0 None 19980707 publication date FDEP Spatial and Attribute Information GeoPlan, during the QA/QC process included the following aspects: 1.) Added DESCRIPT item based on SETTING EXPLANATION OF PROCEDURES USED TO TRANSFORM THE DATA The original county CAD DRASTIC drawings were converted to ARC/INFO files, built as point, line and polygon coverages and edited for digitizing errors. The Dbase files containing the attribute data were then joined to polygon attribute tables in ARC/INFO. County coverages were then edgematched and mapjoined to create a statewide coverage. The statewide coverage was then projected to Albers HPGN and dissolved on the individual DRASTIC parameters and edited for county boundary discrepancies. The dissolved layers were intersected back together, the weighted fields were calculated and summed to produce the final DRASTIC Index values which were then used to color, according to prescribed ranges, the final coverage. Geoplan downloaded this dataset from the Florida DEP website: http://www.dep.state.fl.us/gis/datadir.asp The dataset's prior history from FDEP is as follows: A separate polygon coverage was built for each parameter (depth to water - Dw, net recharge - Nr, aquifer media - Am, soil media - Sm, topography - T, impact of the vadose zone - Iv, hydraulic conductivity - Hc, hydrogeologic setting). Then, the eight coverages were composited into a single coverage with all of the information from the originals for the FASTCAD drawings. These drawings were then converted to ARC/INFO coverages which were edited by county. The county coverages were then edgematched and mapjoined into a statewide coverage. The statewide coverages, for each aquifer, were then dissolved for the individual DRASTIC parameters for further error checking of the composite coverages. Once all errors were corrected, the composite attributes were recalculated for the final statewide DRASTIC coverages. 20020101 Vector GT-polygon composed of chains 985 NAD 1983 HARN Florida GDL Albers 24.0 31.5 -84.0 24.0 400000.0 0.0 coordinate pair 0.0001 0.0001 meter D North American 1983 HARN GRS 1980 6378137.0 298.257222101 .DBF FGDL DESCRIPT FGDL added item based on SETTING. FGDL Shape Data attribute inherent to the ESRI shapefile format, which defines the data as a point, polyline, or polygon. FGDL Coordinates defining the features. PERIMETER Perimeter of polygon feature (meters) FDEP SETTING Hydrogeologic setting, reflects general geomorphology and varies nationally by region. Florida lies within region 11, the Southeast Coastal Plain, of the Ground water region of the United States as described by Heath in USGS Water Supply Paper 2242. FDEP 11A Karst limestone areas ( limestone near the surface) FDEP 11B Coastal Deposits (thick clastic marine sediments) FDEP 11C Swamps and Wetlands FDEP 11D Beaches and Bars (sandy coastal areas and relict beach ridges) FDEP DW depth to water 5 FDEP NR net recharge 4 FDEP AM aquifer media 3 FDEP SM soil media 2 FDEP T topography 1 FDEP IV impact of vadose zone 5 FDEP HC hydraulic conductivity 3 FDEP DWV Dw depth to water multiplied by 5 FDEP NRV Nr net recharge multiplied by 4 FDEP AMV Am aquifer media multiplied by 3 FDEP SMV Sm soil media multiplied by 2 FDEP TV T topography multiplied by 1 FDEP IVV Iv impact of vadose zone multiplied by 5 FDEP HCV Hc hydraulic conductivity multiplied by 3 FDEP Sequential unique whole numbers that are automatically generated. OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. AQDRIN.AREA AUTOID Feature geometry. ESRI Coordinates defining the features. SHAPE Feature geometry. ESRI Coordinates defining the features. AXL INDEX_X (Drv+ Nrv + Amv + Smv + Tv + Ivv + Hcv) FDEP SHAPE.AREA SHAPE.LEN Florida Geographic Data Library (FGDL) mailing

431 Architecture PO Box 115706

Gainesville Florida 32611-5706 US Mailing list for FGDL: http://www.fgdl.org/fgdl-l.html FGDL Frequently Asked Questions: http://www.fgdl.org/fgdlfaq.html For FGDL Software: http://www.fgdl.org/software.html Technical Support: http://www.fgdl.org/fgdlfeed.html Web site: http://www.fgdl.org DOWNLOADABLE DATA THE FGDL DATA AS PROVIDED BY CONTRIBUTING ORGANIZATIONS AND ANY PROGRAMMING SOFTWARE CREATED BY THE UNIVERSITY OF FLORIDA GEOPLAN CENTER (COLLECTIVELY THE 'MATERIALS') ARE COPYRIGHTED BY THE UNIVERSITY OF FLORIDA GEOPLAN CENTER FOR THE FGDL CONTRIBUTING AGENCIES AND ORGANIZATIONS (THE 'DATA PROVIDERS'). DO NOT REPRODUCE, REDISTRIBUTE OR RESELL THE MATERIALS, OR PROVIDE THE MATERIALS FOR FREE TO CUSTOMERS OR CLIENTS, OR PLACE THE MATERIALS FOR DOWNLOAD ON A WEBSITE. ADDITIONALLY, WHEN USING FGDL DATA OR SOFTWARE IN PROJECTS, MAPS, ETC.; YOU AGREE TO ACKNOWLEDGE THE FGDL AS A DATA SOURCE. THE MATERIALS ARE PROVIDED 'AS IS'. THE UNIVERSITY OF FLORIDA GEOPLAN CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE QUALITY OR SUITABILITY OF THE MATERIALS, EITHER EXPRESSLY OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. THE UNIVERSITY OF FLORIDA GEOPLAN CENTER MAKES NO WARRANTIES, GUARANTIES OR REPRESENTATIONS AS TO THE TRUTH, ACCURACY OR COMPLETENESS OF THE DATA PROVIDED BY THE FGDL CONTRIBUTING ORGANIZATIONS. THE UNIVERSITY OF FLORIDA GEOPLAN CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED AS A RESULT OF USING, MODIFYING, CONTRIBUTING OR DISTRIBUTING THE MATERIALS. 20200302 Florida Department of Environmental Protection (FDEP) mailing

3900 Commonwealth Blvd.

Tallahassee FL 32399 850/921-9745 http://www.dep.state.fl.us/gis/ FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time