This dataset was created by the Transportation Planning and Programming (TPP) Division of the Texas Department of Transportation (TxDOT) for planning and asset inventory purposes, as well as for visualization and general mapping. County boundaries were digitized by TxDOT using USGS quad maps, and converted to line features using the Feature to Line tool. This dataset depicts a generalized coastline.Date valid as of: February 2015Publish Date: February 2015Update Frequency: StaticSecurity Level: Public

Vector polygon map data of property parcels from the City of San Antonio, Texas containing 629,531 features.

Parcel map data consists of detailed information about individual land parcels, including their boundaries, ownership details, and geographic coordinates.

Parcel data can be used to analyze and visualize land-related information for purposes such as real estate assessment, urban planning, or environmental management.

Attributes for this data layer include: Shape_area, GlobalID, Shape_len, Shape, ModifiedDate, ParcelKey, and ModifiedUID.

Available for viewing and sharing in a Koordinates map viewer. This data is also available for export to DWG for CAD, PDF, KML, CSV, and GIS data formats, including Shapefile, MapInfo, and Geodatabase.

This layer is sourced from qagis.sanantonio.gov.

This is a graphical polygon dataset depicting the polygon boundaries of Cities within Bexar County Texas and Surrounding Counties. (excluding San Antonio)Updated per Ordinance No. 564, No. 565, and No. 567 on April 9, 2015 extending the Helotes City limits with the annexation of four parcels of vacant property known as Bricewood Subdivision. Updated previously per Resolution No 2012-007-R From the City of Somerset .Updated per ordinance 2014-09-04-0657 (Savano Park ETJ ONLY release)Updated per ordinance 2014-09-04-0658 (Live Oak City Limit release)Updated per ordinance 2014-08-21-0614 (Fair Oaks Ranch ETJ ONLY release.

This is a graphical polygon dataset depicting the polygon boundaries of San Antonio's extraterritorial jurisdiction within Bexar County, Texas for the year 2014Updated per Ordinance 2015-01-15-0020, Boundary Adjustment of approx. 1,906.12 Acres (Government Cayon) increases the ETJ as a function of state law. Updated per Ordinance 2014-09-04-0658 Boundary Adjustment of approx. 1.73 Acres from the City of Live Oak to the City of San Antonio. Updated per Ordinance 2014-09-04-0657 Boundary Adjustment of approx. 31.81 acres from the City of Shavano park to the City of San Antonio and approx. 6.24 acres from the City of San Antonio to Shavano Park.

This is a geographic database of the extraterritorial jurisdiction of the cities that are within Bexar County (San Antonio excluded)Updated previously per Resolution No 2012-007-R From the City of Somerset which effected the ETJ as well.Updated per ordinance 2013-05-09-0318 (Helotes ETJ ONLY release)

The vector data within the geodatabase includes existing land use and proposed land use polygons for the Cibolo Watershed outside of Bexar County. The vector data includes future land use polygons for Bexar County, as well as the study area boundary.The existing land use feature data included within the geodatabase was determined using the latest aerial imagery the Cibolo watershed outside of Bexar County. The future land use data includes ultimate future buildout within Bexar County, and the Cibolo Watershed. The future ultimate land use buildout was determined using information provided by the City of San Antonio, TxDOT, SARA, and other agencies. Data included San Antonio Tomorrow centers, which provided the location of planned future buildouts. TxDOT data included locations of major thoroughfares, which were used to determine potential locations for commercial areas. Other data incorporated included state parks, preserves, conservancy districts, green ways, and other lands.Delivered by RESPEC Company, LLC in December 2019. QA/QC work was completed by the GIS Team in December 2019/January 2020.

City, Town, and Village boundary file, digitized from the Oswego County, NY tax maps as originally drawn by Stewart Mapping Services, Inc of San Antonio Texas, but with topology corrected by Oswego County Department of Real Property Tax Services.

This is a geographical polygon dataset depicting the polygon boundaries of all mandatory detention areas within the City of San Antonio, and Bexar County, Texas.

Approximate Hail Swath Map for Bexar County, Texas on 12 April 2016. More details on this event can be found in the Weather Event History PDF here: https://www.weather.gov/media/ewx/wxevents/ewx-20160412.pdfThis map supports the following mapping application:San Antonio/Bexar County Hail Swath Comparison April 2016

All points of interest identified in Sanborns Map (1896) and 1897 City Directory (including some from the San Antonio Light newspaper in 1896, in progress). Grouped by categories: Agricultural, Animals, Arts, Associations, Construction, Education, Entertainment, Finance, Food & Beverage, Furniture, Government, Health, Housing, Infrastructure, Lodging, Manufacturing, Other, Park, Printing, Professional, Recreation, Restaurants, Retail, Services, Transportation, Unknown, Utilities, Warehouse and Worship. Locations are identified as estimated if building address was not found in the 1896 map.

A previously developed groundwater flow model (https://doi.org/10.5066/P9051RUT) was slightly modified to estimate the risk-based discrete relation between groundwater extraction and surface-water/groundwater exchange. Previously, the concept of a ''capture map'' has been put forward as a means to effectively summarize this relation for decision-making consumption. While capture maps have enjoyed success in the environmental simulation industry, they are deterministic, ignoring uncertainty in the underlying model. Furthermore, capture maps are not typically calculated in a manner that facilitates analysis of varying combinations of extraction locations and/or reaches.
That is, they are typically constructed with focus on a single reach or group of reaches. The former of these limitations is important for conveying risk to decision makers, while the latter is important for decision-making support related to surface-water management, where future foci may include reaches that were not the focus of the original capture analysis.

Herein, we use a MODFLOW-NWT groundwater/surface-water model of the lower San Antonio River, Texas, USA to demonstrate a technique to estimate risk-based and spatially discrete streamflow depletion potential. This USGS data release contains all of the input and output files for the simulations described in the associated journal article (https://doi.org/10.1111/gwat.13080)

Hurricane Harvey made landfall near Rockport, Texas on August 25 as a category 4 hurricane with wind gusts exceeding 150 miles per hour. As Harvey moved inland the forward motion of the storm slowed down and produced tremendous rainfall amounts to southeastern Texas and southwestern Louisiana. Historic flooding occurred in Texas and Louisiana as a result of the widespread, heavy rainfall over an 8-day period in Louisiana in August and September 2017. Following the storm event, U.S. Geological Survey (USGS) hydrographers recovered and documented 2,123 high-water marks in Texas, noting location and height of the water above land surface. Many of these high-water marks were used to create flood-inundation maps for selected communities of Texas that experienced flooding in August and September, 2017. The mapped area boundary, flood inundation extents, depth rasters, and coastal surge layer were created to provide an estimated extent of flood inundation in Coastal basins including East and West Matagorda Bay Subbasins, East and West San Antonio Bay Subbasins, and Aransas Bay Subbasin, Texas. The mapped area of the Coastal basins were separated into three sections based on the availability and location of high-water marks. The maps of the eastern part of the East Matagorda Bay Subbasin include a 17-mi reach of Peyton Creek and a 16-mi reach of Big Boggy Creek, and flood-inundation map for 6-mi reach of Little Boggy Creek in Matagorda County. The maps of the western part of East Matagorda Bay Subbasin include a 13.5-mi reach of West Carancahua Creek, 14.5-mi reach of East Carancahua Creek, and 9.6-mi reach of Keller Creek within Matagorda, Jackson, and Calhoun Counties. The maps of the middle part of the East Matagorda Bay Subbasin are for a 21-mi reach of the Tres Palacios River within Matagorda County. These geospatial data include the following items: 1. bnd_emb1, bnd_emb2, and bnd_tres_palacios; shapefiles containing the polygon showing the mapped area boundary for the Coastal basins flood maps, 2. hwm_emb_1, hwm_emb2, and hwm_tres_palacios; shapefiles containing high-water mark points used for inundation maps, 3. polygon_emb1, polygon_emb_2, and polygon_tres_palacios; shapefiles containing mapped extent of flood inundation for the Coastal basins, derived from the water-surface elevation surveyed at high-water marks, 4. depth_emb1, depth_emb2, and depth_tres; raster files for the flood depths derived from the water-surface elevation surveyed at high-water marks, and 5. coastal_surge.lyr; a layer file generated from the depth raster depicting water height above ground recorded at the high-water marks. The upstream and downstream mapped area extent is limited to the upstream-most and downstream-most high-water mark locations. In areas of uncertainty of flood extent, the mapped area boundary is lined up with the flood inundation polygon extent. The mapped area boundary polygon was used to extract the final flood inundation polygon and depth raster from the water-surface elevation raster file. Depth raster files were created using the "Topo to Raster" tool in ArcMap (ESRI, 2012). The HWM elevation data from the USGS Short-tern Network (STN) was used to create the flood water-surface raster file (U.S. Geological Survey [USGS], 2018, Short-Term Network Data Portal: USGS flood information web page, accessed February 13, 2018, at https://water.usgs.gov/floods/FEV.). The water-surface raster was the basis for the creation of the final flood inundation polygon and depth layer to support the development of flood inundation map for the Federal Emergency Management Agency's (FEMA) response and recovery operations.

This dataset examines the effects the geology of Bexar County, Texas has on the distribution of karst invertebrates listed under the Endangered Species Act. It delineates five zones that identified the probability of the presence of rare or endemic karst invertebrate species. The five zones are: Zone 1. Areas known to contain listed invertebrate karst species.Zone 2. Areas having a high probability of containing suitable habitat for listed invertebrate karst species.Zone 3. Areas that probably do not contain listed invertebrate karst species.Zone 4. Areas which require further research but are generally equivalent to Zone 3, although they may include sections which could be classified as Zone 2 or Zone 5 as more information becomes available.Zone 5. Areas which do not contain listed invertebrate karst species.