WBD_HU2: Two-Digit Hydrologic Unit

HU 2's have a 2-digit HUC and are the largest WBD unit. A Region is composed of many Subregions.

 

This graphic shows an example of HU-2 Boundaries. Each Hydrologic Unit is labeled with its 2-digit HUC.

Field Name

Definition

Gaz_ID

Unique identifier assigned by GNIS, length 10.

Area_Acres

 

Area_SqKm

 

States

 

LoadDate

 

HUC_2

Numeric identifier for each level (2,4,6,8,10, and 12) of hydrologic units

HU_2_Name

Name assigned to each level (2,4,6,8,10, and 12) of hydrologic units

HU_2s are not included with the data

HU_14 and HU_16 are included only where created by local stewards.