Below are two different articles about different rivers located in very different parts of the country, both bodies of water have issues with sediment in the flow of the river. The south river located in Maryland will have less sediment in the water, as the current load of sediment has clouded up the water, and created algae blooms. In Wyoming there is plans to perform studies to determine if more sediment should be released.
http://www.wyomingnews.com/news/bill-would-allow-sediment-to-flood-rivers-each-year/article_cb914ed8-e84b-11e6-99ce-4b500c0fa7e4.html
http://www.baltimoresun.com/ph-ac-cn-south-river-tmdl-0202-20170201-story.html