Alabama Extension Water Quality Home Page Hydrologic Data
Download Confirmation

Data Attributes

Dataset Confirmation:

Select the dataset from the list to Download.

HUC Basin
  31402 - Constructed Ponds -- 6  Features covering 110 ac.
    File Size: 7.00 KB

31402 - HUC12 -- 120  Features covering 1.99771e+06 ac.
    File Size: 996 KB

31402 - Islands -- 8  Features covering 132.3 ac.
    File Size: 7.28 KB

31402 - NWI -- 4482  Features covering 43123.2 ac.
    File Size: 2.75 MB

31402 - Streams -- 7494  Features covering 0 ac.
    File Size: 1.82 MB

31402 - Water Bodies -- 321  Features covering 3765.7 ac.
    File Size: 102 KB

31402 - Wetlands -- 114  Features covering 37565.1 ac.
    File Size: 184 KB
 

 
Alabama - National Hydrologic Data
All data projected to
  • Universal Transverse Mercator (UTM) coordinates
  • Zone 16 N
  • WGS84 Datum and Spheroid
Vector Thematic Data
Water Bodies: Open water reaches larger than 0.5 acres..
HUC12: Hydrologic Unit Code watersheds at the 12 digit level.
Constructed ponds : Open water structures larger than 0.5 acres.
Wetlands: NHD recognized wetlands, not subclassified
NWI: USFWS National Wetlands Inventory data with Cowardin classes.
Islands
Streams: linear features comprising a drainage network.