National Wetlands Inventory

National Spatial Data Infrastructure (NSDI) Wetlands Layer:


Visit the Wetlands Layer index page for more information.

Contact Information:


You can also email the FWS Customer Service Center, or call 1.800.344.WILD (1.800.344.9453).

Wetlands Master Geodatabase Spatial Referenceprojection example image

Datum

Datum: North American 1983
Spheroid: GRS_1980
Semimajor Axis: 6378137.000000000000000000
Semiminor Axis: 6356752.314140356100000000
Inverse Flattening: 298.257222101000020000

Projection

Lower 48 States
Projection Coordinate System: NAD 1983 Albers
Projection: Albers
False Easting: 0.0
False Northing: 0.0
Central Meridian: -96.0
Standard Parallel 1: 29.50
Standard Parallel 2: 45.50
Latitiude of Origin: 23.00
Linear Unit: Meter

Alaska
Projection Coordinate System: NAD 1983 Albers
Projection: Albers
False Easting: 0.0
False Northing: 0.0
Central Meridian: -154.00
Standard Parallel 1: 55.00
Standard Parallel 2: 65.00
Latitude Of Origin: 50.00
Linear Unit: Meter

Hawaii
Projection Coordinate System: NAD 1983 Albers
Projection: Albers
False Easting: 0.0
False Northing: 0.0
Central Meridian: -157.00
Standard Parallel 1: 8.00
Standard Parallel 2: 18.00
Latitiude of Origin: 3.00
Linear Unit: Meter

Puerto Rico and the U.S. Virgin Islands
Projection Coordinate System: NAD 1983 Albers
Projection: Albers
False Easting: 0.0
False Northing: 0.0
Central Meridian: -66.00
Standard Parallel 1: 8.00
Standard Parallel 2: 18.00
Latitiude of Origin: 3.00
Linear Unit: Meter

Pacific Trust Territories
Projection Coordinate System: NAD 1983 Albers
Projection: Albers
False Easting: 0.0
False Northing: 0.0
Central Meridian: 145.00
Standard Parallel 1: 8.00
Standard Parallel 2: 18.00
Latitiude of Origin: 3.00
Linear Unit: Meter

Last updated: