EPSG:26950 — NAD83 / Arizona West

Projected · USA - Arizona - SPCS - W

Export Formats

OGC WKT

PROJCS[
    "NAD83 / Arizona West",
    GEOGCS[
        "NAD83",
        DATUM[
            "North_American_Datum_1983",
            SPHEROID["GRS 1980",6378137,298.257222101],
            TOWGS84[0,0,0,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4269"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",31],
    PARAMETER["central_meridian",-113.75],
    PARAMETER["scale_factor",0.999933333],
    PARAMETER["false_easting",213360],
    PARAMETER["false_northing",0],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","26950"]
]

WKT2

PROJCRS[
    "NAD83 / Arizona West",
    BASEGEOGCRS[
        "NAD83",
        DATUM[
            "North American Datum 1983",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",6269]
        ],
        ID["EPSG",4269]
    ],
    CONVERSION[
        "SPCS83 Arizona West zone (meter)",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            31,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -113.75,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.999933333,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            213360,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",10233]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",26950]
]

PROJ.4

+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:26950", "+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 26950,
  "name": "NAD83 / Arizona West",
  "kind": "projected",
  "area": "USA - Arizona - SPCS - W",
  "unit": "metre",
  "bbox": [
    32.05,
    -114.81,
    37,
    -112.52
  ],
  "proj4": "+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (26950, 'EPSG', 26950, '+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83 / Arizona West",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",31],PARAMETER["central_meridian",-113.75],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",213360],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26950"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=31"
  "+lon_0=-113.75"
  "+k=0.999933333"
  "+x_0=213360"
  "+y_0=0"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

26950=PROJCS["NAD83 / Arizona West",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",31],PARAMETER["central_meridian",-113.75],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",213360],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26950"]]

Related Coordinate Systems (18)

Available Transformations (157)

Transformations inherited from base CRS: EPSG:4269 (NAD83)

Transformation	Source → Target	Accuracy (m)
NAD83 to NAD83(HARN) (1)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (2)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (3)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (4)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (5)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (6)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (7)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (8)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (9)	4269 → 4152	0.05
NAD83 to NAD83(HARN) (10)	4269 → 4152	0.05

Other CRS using North American Datum 1983 (339)

Frequently Asked Questions

How do I add EPSG:26950 to GeoServer?

Add the following definition to your GeoServer configuration:

26950=PROJCS["NAD83 / Arizona West",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",31],PARAMETER["central_meridian",-113.75],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",213360],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26950"]]

Read the full GeoServer guide →

How do I add EPSG:26950 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (26950, 'EPSG', 26950, '+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83 / Arizona West",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",31],PARAMETER["central_meridian",-113.75],PARAMETER["scale_factor",0.999933333],PARAMETER["false_easting",213360],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26950"]]');

Read the full PostGIS guide →

How do I add EPSG:26950 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=31"
  "+lon_0=-113.75"
  "+k=0.999933333"
  "+x_0=213360"
  "+y_0=0"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:26950 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:26950", "+proj=tmerc +lat_0=31 +lon_0=-113.75 +k=0.999933333 +x_0=213360 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

NAD83

Datum

North American Datum 1983

Ellipsoid

GRS 1980

Prime Meridian

Greenwich

Area of Use

USA - Arizona - SPCS - W

United States (USA) - Arizona - counties of La Paz; Mohave; Yuma.

Coordinate System

Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

Center Coordinates

221163.55 390901.09

Projected Bounds

666199.55 113255.82322839.40 116906.13

WGS84 Bounds

37.00 -114.81-112.52 32.05

Data Source

EPSG

Revision Date

1995-06-02

Scope

Engineering survey, topographic mapping.

Remarks

State law defines system in International feet (note: not US survey feet). See code 2224 for equivalent non-metric definition. For applications with an accuracy of better than 1m, replaced by NAD83(HARN) / SPCS.

EPSG

26950