An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Natural Resources, Conservation, Environment > natural resource management > water management > hydraulic structures > spillways
Fields of Study > engineering > manmade structures > hydraulic structures > spillways
Research, Technology, Methods > engineering > manmade structures > hydraulic structures > spillways
Preferred Term:

spillways

Definition:
A structure over or through which flow is discharged from a reservoir. If the rate of flow is controlled by mechanical means, such as gates, it is considered a controlled spillway. If the geometry of the spillway is the only control, it is considered an uncontrolled spillway.
Concept Schemes:
NALT Full
Broader Concept:
hydraulic structures
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/306488
Download this Concept:
RDF/XMLCreated 2017-08-09, last modified 2017-11-10