EPSG systems

EPSG:3492 NAD83(NSRS2007) / California zone 2 (ftUS)

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

System record
CodeEPSG:3492
NameNAD83(NSRS2007) / California zone 2 (ftUS)
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - California - SPCS - 2
United States (USA) - California - counties of Alpine; Amador; Butte; Colusa; El Dorado; Glenn; Lake; Mendocino; Napa; Nevada; Placer; Sacramento; Sierra; Solano; Sonoma; Sutter; Yolo; Yuba.
Bounds W -124,06° · S 38,02° · E -119,54° · N 40,16°
Countries United States
DatumNAD83 (National Spatial Reference System 2007)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4759 — NAD83(NSRS2007)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — accuracy 2 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of false origin37.666666666666664degree
Longitude of false origin-122degree
Latitude of 1st standard parallel39.833333333333336degree
Latitude of 2nd standard parallel38.333333333333336degree
Easting at false origin6561666.667US survey foot
Northing at false origin1640416.667US survey foot

proj4 definition

+proj=lcc +lat_0=37.6666666666667 +lon_0=-122 +lat_1=39.8333333333333 +lat_2=38.3333333333333 +x_0=2000000.0001016 +y_0=500000.0001016 +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:3492.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_NSRS2007_StatePlane_California_II_FIPS_0402_Ft_US",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",6561666.667],PARAMETER["False_Northing",1640416.667],PARAMETER["Central_Meridian",-122.0],PARAMETER["Standard_Parallel_1",39.8333333333333],PARAMETER["Standard_Parallel_2",38.3333333333333],PARAMETER["Latitude_Of_Origin",37.6666666666667],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.