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
  31700 - Constructed Ponds -- 1  Features covering 7.4 ac.
    File Size: 5.33 KB

31700 - HUC12 -- 46  Features covering 652579 ac.
    File Size: 1002 KB

31700 - Islands -- 8  Features covering 448.3 ac.
    File Size: 9.82 KB

31700 - NWI -- 14218  Features covering 347161 ac.
    File Size: 46.9 MB

31700 - Streams -- 15395  Features covering 0 ac.
    File Size: 5.80 MB

31700 - Water Bodies -- 99  Features covering 4346.3 ac.
    File Size: 58.8 KB

31700 - Wetlands -- 109  Features covering 36905.3 ac.
    File Size: 239 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.