Alabama Extension Water Quality Home Page Hydrologic Data
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Data Attributes

Dataset Confirmation:

Select the dataset from the list to Download.

HUC Basin
  31403 - Constructed Ponds -- 5  Features covering 178 ac.
    File Size: 6.31 KB

31403 - HUC12 -- 111  Features covering 2.46225e+06 ac.
    File Size: 997 KB

31403 - Islands -- 23  Features covering 394.8 ac.
    File Size: 12.0 KB

31403 - NWI -- 6278  Features covering 125675 ac.
    File Size: 4.89 MB

31403 - Streams -- 6516  Features covering 0 ac.
    File Size: 1.86 MB

31403 - Water Bodies -- 569  Features covering 1.44885e+06 ac.
    File Size: 164 KB

31403 - Wetlands -- 136  Features covering 50261.5 ac.
    File Size: 181 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.