LocMaster Table

This table includes all location codes of streams, collections of streams, flat water bodies, or pointlocations. No two location codes can be the same, even if they represent different location types.

Field Name Field Description Data Type Field Size*
LocationID Unique identifier categorizing a line, point or polygon in either 1:100,000 or 1:24,000 scale GIS coverage. varchar 13
LocTypeID Code identifying LocationID type, e.g. single stream, multi-stream, non-stream point, waterbody, etc. tinyint 1
LocSubTypeID Unique identifier describing the kind of a line, point or polygon represented by the LocationID. smallint 2
Name Name of the stream, lake, bay, reservoir, barrier, dam, port, etc. varchar 100
LengthFt Length of stream in feet. int 4
TribID LocationID of the waterbody this waterbody flows into. varchar 13
TribFt Point (in feet) this waterbody flows into the TribID. int 4
Latitude Latitude of point type locations in decimal degrees using 1983 North American Datum (NAD83). decimal 9
Longitude Longitude of a point type location in decimal degrees using the 1983 North American Datum (NAD83). decimal 9
LLsource Method by which the Longitude and Latitude values were determined. varchar 3
Comments Additional information or comments. varchar 255
LastModifiedBy Network ID of regional staff or compiler that last updated record. varchar 50
LastModifiedOn Date regional staff or compiler last updated record datetime 8
XRefName Verbose Name used internally that includes tributary information. varchar 160

*The text datatype pre-allocates only 16 bytes. Size represents actual bytes for all other data types.


Revised Wednesday September 28 2005