Hydrologic Data
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Data Attributes

Dataset Confirmation:

Select the dataset from the list to Download.

HUC Basin

31401 - Constructed Ponds -- 3 Features covering 15.8 ac.
    File Size: 5.77 KB

31401 - HUC12 -- 62 Features covering 961406 ac.
    File Size: 995 KB

31401 - NWI -- 10694 Features covering 168788 ac.
    File Size: 7.41 MB

31401 - Streams -- 6257 Features covering 0 ac.
    File Size: 1.84 MB

31401 - Water Bodies -- 263 Features covering 3142.4 ac.
    File Size: 72.4 KB

31401 - Wetlands -- 145 Features covering 41714 ac.
    File Size: 191 KB

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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.