EPSG systems

EPSG:26976 NAD83 / Iowa South

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

System record
CodeEPSG:26976
NameNAD83 / Iowa South
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - Iowa - SPCS - S
United States (USA) - Iowa - counties of Adair; Adams; Appanoose; Audubon; Cass; Cedar; Clarke; Clinton; Dallas; Davis; Decatur; Des Moines; Fremont; Guthrie; Harrison; Henry; Iowa; Jasper; Jefferson; Johnson; Keokuk; Lee; Louisa; Lucas; Madison; Mahaska; Marion; Mills; Monroe; Montgomery; Muscatine; Page; Polk; Pottawattamie; Poweshiek; Ringgold; Scott; Shelby; Taylor; Union; Van Buren; Wapello; Warren; Washington; Wayne.
Bounds W -96,14° · S 40,36° · E -90,14° · N 42,04°
Countries United States
DatumNorth American Datum 1983
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4269 — NAD83
Unit metre (X east, Y north)
Transformation to WGS 84 NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of false origin40degree
Longitude of false origin-93.5degree
Latitude of 1st standard parallel41.78333333333333degree
Latitude of 2nd standard parallel40.61666666666667degree
Easting at false origin500000metre
Northing at false origin0metre

proj4 definition

+proj=lcc +lat_0=40 +lon_0=-93.5 +lat_1=41.7833333333333 +lat_2=40.6166666666667 +x_0=500000 +y_0=0 +a=6378137 +rf=298.257222101 +units=m +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:26976.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_StatePlane_Iowa_South_FIPS_1402",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-93.5],PARAMETER["Standard_Parallel_1",41.7833333333333],PARAMETER["Standard_Parallel_2",40.6166666666667],PARAMETER["Latitude_Of_Origin",40.0],UNIT["Meter",1.0]]

All systems — United States

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