{ "snippet": "This feature class is the 2026 update of environmentally sensitive areas in Rock County, Wisconsin and is intended to assist Staff in evaluating the suitability of Land Divisions and development.", "summary": "This feature class is the 2026 update of environmentally sensitive areas in Rock County, Wisconsin and is intended to assist Staff in evaluating the suitability of Land Divisions and development.", "accessInformation": "Rock County, Wisconsin", "thumbnail": "", "maxScale": "NaN", "typeKeywords": [], "description": "

This feature class is the 2026 update of environmentally sensitive areas in Rock County, Wisconsin and is intended to assist Staff in evaluating the suitability of Land Divisions and authorized under Rock County Code of Ordinances Chapter 4.1 Land Divisions<\/a>.<\/p>

This ESA layer includes the following 10 layers:<\/p>

  1. Floodplain - Lands identified as floodplain by the Federal Emergency Management Agency (FEMA), as delineated in accordance with the most current FEMA floodplain maps (5/3/2017) adopted by the Rock County Board of Supervisors.<\/li>
  2. Groundwater Protection Areas - Lands identified in the 1974 Soil Survey of Rock County as groundwater recharge areas.<\/li>
  3. Hydric Soils - Soils extracted (6/18/2026) from the Wisconsin Department of Natural Resources Wetlands Indicator data.<\/li>
  4. Kettles and Depressional Topography - Depressions greater than 3' deep and 400 sq feet in area identified through analysis from the DEM derived from April, 2020 LiDAR acquisition.<\/li>
  5. Natural Areas - Lands with a score of 5 or higher in the 2001 Rock County Natural Areas Survey.<\/li>
  6. Shallow Bedrock - Lands identified with bedrock within 20 \" of the surface as identified in the USGS Soil Survey Geographic Database (SSURGO). This layer was extracted June 2, 2026<\/li>
  7. Shorelands - Lands identified within 75 feet or the ordinary high water mark of a surface water feature. This layer is took effect 10/01/2014.<\/li>
  8. Steep Slopes - Lands identified with slopes of 16% and greater as calculated using the DEM derived from April, 2020 LiDAR acquisition.<\/li>
  9.  Wetlands - Lands identified by the Wisconsin Department of Natural Resources as wetlands. This layer was extracted June 2, 2026.<\/li>
  10. Wetland Buffers - Lands within a 50' buffer of the features extracted from the Wisconsin Department of Natural Resources data on June 2, 2026.<\/li><\/ol>", "licenseInfo": "The maps and data provided are for informational and advisory purposes only. Rock County makes no warranty, expressed or implied; including warranties of merchantability and fitness for a particular purpose. Determining fitness of use for this data is the sole responsibility of the user. Rock County Land Information Office disclaims accuracy and advises that if specific and precise accuracy is required, it should be determined by certified maps, surveys, plats, or other official means. Rock County will not be responsible for any damages, which result from third party use of the data and maps herein, or for any use, which ignores this warning. The responsibility for data updates resides with the recipient, not the supplier. The responsibility for data updates resides with the recipient, not the supplier. ", "catalogPath": "", "title": "Environmentally Sensitive Areas 2026", "type": "", "url": "", "tags": [ "Environmentally Sensitive Areas", "Floodplains", "Groundwater Protection", "Groundwater Reclamation", "Hydric Soils", "Kettles", "Depressions", "Natural Areas", "Shallow Bedrock", "Shorelands", "Shoreland Setback", "Steep Slopes", "Wetland", "Wetland Buffer" ], "culture": "en-US", "portalUrl": "", "name": "", "guid": "", "minScale": "NaN", "spatialReference": "" }