Editing Dam (section)

==== Fixed-crest dams ====
{{See also|Low head dam}}

A fixed-crest dam is a concrete barrier across a river.<ref>{{cite web|url=http://wesa.fm/post/us-army-corps-engineers-wants-you-enjoy-rivers-safely#stream/0 |title=The U.S. Army Corps of Engineers Wants You To Enjoy The Rivers, Safely |publisher=90.5 WESA |date=23 June 2017 |access-date=2018-07-18}}</ref> Fixed-crest dams are designed to maintain depth in the channel for navigation.<ref>{{cite web|url=https://www.lrp.usace.army.mil/Media/News-Releases/Article/1218267/army-corps-waterways-partners-focus-on-fixed-crest-dam-safety/ |archive-url=https://web.archive.org/web/20180718001516/https://www.lrp.usace.army.mil/Media/News-Releases/Article/1218267/army-corps-waterways-partners-focus-on-fixed-crest-dam-safety/ |url-status=dead |archive-date=18 July 2018 |title=Army Corps, waterways partners focus on fixed-crest dam safety > Pittsburgh District > News Releases |publisher=Lrp.usace.army.mil |date=2017-06-19 |access-date=2018-07-18}}</ref> They pose risks to boaters who may travel over them, as they are hard to spot from the water and create induced currents that are difficult to escape.<ref>{{cite web|author=Bob Bauder |url=https://triblive.com/local/allegheny/13875841-74/family-of-kayaker-swept-over-dashields-dam-sues-us-army-corps-of |title=Family of kayaker swept over Dashields Dam sues U.S. Army Corps of Engineers |publisher=TribLIVE |date=2017-05-20 |access-date=2018-07-18}}</ref>