EPSG systems

EPSG:6609 NAD83(2011) / Wisconsin South (ftUS)

Projected system (Lambert Conic Conformal (2SP)) in use: USA - Wisconsin - SPCS - S. The full definition below, and conversion in one click.

System record
CodeEPSG:6609
NameNAD83(2011) / Wisconsin South (ftUS)
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - Wisconsin - SPCS - S
United States (USA) - Wisconsin - counties of Adams; Calumet; Columbia; Crawford; Dane; Dodge; Fond Du Lac; Grant; Green; Green Lake; Iowa; Jefferson; Juneau; Kenosha; La Crosse; Lafayette; Manitowoc; Marquette; Milwaukee; Monroe; Ozaukee; Racine; Richland; Rock; Sauk; Sheboygan; Vernon; Walworth; Washington; Waukesha; Waushara; Winnebago.
Bounds W -91,43° · S 42,48° · E -86,95° · N 44,33°
Countries United States
DatumNAD83 (National Spatial Reference System 2011)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:6318 — NAD83(2011)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of false origin42degree
Longitude of false origin-90degree
Latitude of 1st standard parallel44.06666666666667degree
Latitude of 2nd standard parallel42.733333333333334degree
Easting at false origin1968500US survey foot
Northing at false origin0US survey foot

proj4 definition

+proj=lcc +lat_0=42 +lon_0=-90 +lat_1=44.0666666666667 +lat_2=42.7333333333333 +x_0=600000 +y_0=0 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:6609.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_2011_StatePlane_Wisconsin_South_FIPS_4803_Ft_US",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",1968500.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-90.0],PARAMETER["Standard_Parallel_1",44.0666666666667],PARAMETER["Standard_Parallel_2",42.7333333333333],PARAMETER["Latitude_Of_Origin",42.0],UNIT["US survey foot",0.304800609601219]]

All systems — United States

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.