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
  31300 - Constructed Ponds -- 19  Features covering 495.1 ac.
    File Size: 10.3 KB

31300 - HUC12 -- 640  Features covering 2.14816e+06 ac.
    File Size: 994 KB

31300 - Islands -- 66  Features covering 1930.3 ac.
    File Size: 32.1 KB

31300 - NWI -- 25766  Features covering 302187 ac.
    File Size: 23.4 MB

31300 - Streams -- 16984  Features covering 0 ac.
    File Size: 4.75 MB

31300 - Water Bodies -- 383  Features covering 56611.3 ac.
    File Size: 301 KB

31300 - Wetlands -- 60  Features covering 15323.6 ac.
    File Size: 89.5 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.