Description: A linear feature representing dams associated with storm water system. Dams will be digitized and attributed from a combination of aerial photography and georeferenced engineering plans. The line will be drawn on the centerline of the dam. Some attribute information will be collected during survey with City staff.
Description: Polygon feature representing a wide variety of water bodies including forebays, lakes, ponds, retention/detention basins, sumps, and wetlands. Ponds will be drawn from a combination of aerial photography, georeferenced engineering plans and available contour lines and assigned attribute information from the respective plans. The pond polygon will be drawn using the high water contour line as reference.
Description: Polygon depicting the boundaries of the mapshed designation used for mapping only. These boundaries were drawn based on the existing storm water system and do not represent true surface drainage watersheds. The mapping watershed boundaries may be adjusted within the office to account for changes in the storm water system as schematic development continues but the boundaries will not change often. This feature class contains a status field that users can use to determine at what stage in data development area are in.
Description: Ground surface elevations extracted from TNRIS 2009 LIDAR flight for the Tarrant County area. Data processed by Halff Associates, Inc. for the purposes of generating an ESRI Terrain dataset and 2-ft contours
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