Alabama Extension Water Quality Home Page Hydrologic Data
Download Confirmation

Data Attributes

Dataset Confirmation:

Select the dataset from the list to Download.

HUC Basin
  31601 - Constructed Ponds -- 34  Features covering 689.5 ac.
    File Size: 14.6 KB

31601 - HUC12 -- 263  Features covering 6.35239e+06 ac.
    File Size: 1000 KB

31601 - Islands -- 89  Features covering 3300.9 ac.
    File Size: 34.9 KB

31601 - NWI -- 9457  Features covering 100113 ac.
    File Size: 5.42 MB

31601 - Streams -- 23146  Features covering 0 ac.
    File Size: 7.74 MB

31601 - Water Bodies -- 2027  Features covering 67398.1 ac.
    File Size: 959 KB

31601 - Wetlands -- 155  Features covering 39429.7 ac.
    File Size: 191 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.