Service Description: This layer represents the boundaires of watersheds which have a contributing impact on the Edwards Aquifer.The Edwards Aquifer contributing zones polygon file was created from modeled boundaries (2003 LIDAR) and customized boundaries based on contour
Service ItemId: 2d8e959fdfb545e9a0931491418cfe74
Has Versioned Data: false
Max Record Count: 4000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
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Description: The Edwards Aquifer is an underground layer of porous, honeycombed, water-bearing rock that is between 300-700 feet thick.The contributing zone occurs on the Edwards Plateau, also called the Texas Hill Country.The contributing zone is also called the drainage area or the catchment area. Here the land surface "catches" water from rainfall that averages about 30" per year, and water runs off into streams or infiltrates into the water table aquifer of the plateau. Runoff from the land surface and water table springs then both feed streams that flow over relatively impermeable limestones until they reach the recharge zone.
Copyright Text: Please credit the City of Austin Watershed Protection Department
Spatial Reference: 102739 (2277)
Initial Extent:
XMin: 2911095.45633249
YMin: 10001867.5935881
XMax: 3144207.49222384
YMax: 10122484.2728041
Spatial Reference: 102739 (2277)
Full Extent:
XMin: 2940099.6099959
YMin: 9981525.1795553
XMax: 3106233.98474748
YMax: 10091589.3498465
Spatial Reference: 102739 (2277)
Units: esriFeet
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