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
  31501 - Constructed Ponds -- 18  Features covering 193.2 ac.
    File Size: 9.21 KB

31501 - HUC12 -- 488  Features covering 6.19768e+06 ac.
    File Size: 998 KB

31501 - Islands -- 159  Features covering 3437.6 ac.
    File Size: 60.0 KB

31501 - NWI -- 24003  Features covering 226830 ac.
    File Size: 18.7 MB

31501 - Streams -- 19954  Features covering 0 ac.
    File Size: 5.52 MB

31501 - Water Bodies -- 1295  Features covering 134201 ac.
    File Size: 0.98 MB

31501 - Wetlands -- 122  Features covering 14202.2 ac.
    File Size: 99.7 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.