20220131
13444500
1.0
ISO19139
002
ESA_2026
397018.429553
562538.889547
197579.715740
331871.947161
1
Projected
GCS_North_American_1983_HARN
Linear Unit: Foot_US (0.304801)
NAD_1983_HARN_WISCRS_Rock_County_Feet
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20260707
10441700
FGDC CSDGM Metadata
FALSE
20260707
10441700
<p>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 <a target="_blank" rel="noopener noreferrer" href="https://www.co.rock.wi.us/departments/planning-economic-community-development/planning-zoning">Chapter 4.1 Land Divisions</a>.</p><p>This ESA layer includes the following 10 layers:</p><ol><li>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><li>Groundwater Protection Areas - Lands identified in the 1974 Soil Survey of Rock County as groundwater recharge areas.</li><li>Hydric Soils - Soils extracted (6/18/2026) from the Wisconsin Department of Natural Resources Wetlands Indicator data.</li><li>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><li>Natural Areas - Lands with a score of 5 or higher in the 2001 Rock County Natural Areas Survey.</li><li>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><li>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><li>Steep Slopes - Lands identified with slopes of 16% and greater as calculated using the DEM derived from April, 2020 LiDAR acquisition.</li><li> Wetlands - Lands identified by the Wisconsin Department of Natural Resources as wetlands. This layer was extracted June 2, 2026.</li><li>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>
Environmentally Sensitive Areas 2026
2026-06-25T00:00:00
Rock County, Wisconsin
-89.379983
-88.756294
42.844809
42.493982
true
0.000000
0.000000
-89.369534
-88.774828
42.847643
42.491914
true
0.000000
0.000000
-89.381669
-88.764426
42.855053
42.486179
1
0.000000
0.000000
Rock County Planning and Development
Geospatial Services Administrator
Planning@co.rock.wi.us
51 S Main St
Janesville
WI
53545
US
608-757-5592
608-757-5587
https://co.rock.wi.us
Environmentally Sensitive Areas
Floodplains
Groundwater Protection
Groundwater Reclamation
Hydric Soils
Kettles
Depressions
Natural Areas
Shallow Bedrock
Shorelands
Shoreland Setback
Steep Slopes
Wetland
Wetland Buffer
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.
Rock County, Wisconsin
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.
Esri ArcGIS 13.6.3.59530
dataset
20260528
Rock County Planning and Development
Geospatial Services Administrator
planning@co.rock.wi.us
51 S Main St
Janesville
WI
53545
US
608-757-5592
608-757-5587
https://co.rock.wi.us
File Geodatabase Feature Class
EPSG
9.1(10.7.0)
9.1(10.7.0)
ESA_2026
Feature Class
33089
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
SHAPE
Shape
Geometry
8
0
0
Feature geometry.
Esri
Coordinates defining the features.
HYDRICRTNG
Hydric Rating
String
22
0
0
Identifies Hydric or Partially Hydric Soils if applicable.
ZONE_SUBTY
Flood Zone
String
57
0
0
Identifies Flood Hazard Zone if applicable.
FEMA_Flood
Flood Hazard Area
String
1
0
0
Hydric
Hydric Soils
String
1
0
0
"Y" identifies presence of hydric soils.
Depressions
Kettles and Depressions
String
1
0
0
"Y" identifies presence of kettles and depressions
NaturalAreas
Natural Areas
String
1
0
0
"Y" identifies presence of natural areas
Bedrock
Shallow Bedrock
String
1
0
0
"Y" identifies presence of shallow bedrock
Shoreland
Shoreland Setback
String
1
0
0
"Y" identifies presence of shoreland setback
SteepSlope
Steep Slope
String
1
0
0
"Y" identifies presence of steep slope
Wetland
Wetland
String
1
0
0
"Y" identifies presence of Wetland
WetlandBuffer
Wetland Buffer
String
1
0
0
"Y" identifies presence of wetland buffer
GWPA
Groundwater Protection Area
String
1
0
0
"Y" identifies presence of Groundwater protection area.
Shape.STArea()
Shape.STArea()
Double
0
0
0
Shape.STLength()
Shape.STLength()
Double
0
0
0
33089
ArcGIS Metadata
1.0
Simple
FALSE
33089
TRUE
TRUE