Editing Miller County, Arkansas (section)

===Hydrology===
{{See also|List of lakes in Miller County, Arkansas}}
Miller County is within the [[Red River of the South|Red River]] [[Drainage basin|watershed]]. The historic channel of the Red River defines the northern and eastern boundary of Miller County.<ref name="mil" /> The [[Sulphur River]], McKinney Bayou, and [[Bois D'Arc Creek (Arkansas)|Bois D'Arc Creek]] are also important water courses in the county; all tributary to the Red River.<ref>{{ cite web |author= Office of Water Quality |title= Integrated Water Quality Monitoring Assessment Report |url= https://www.adeq.state.ar.us/water/planning/integrated/303d/pdfs/2016/final-2016-305b-report.pdf |archive-url=https://web.archive.org/web/20200407024740/https://www.adeq.state.ar.us/water/planning/integrated/303d/pdfs/2016/final-2016-305b-report.pdf |archive-date=April 7, 2020 |url-status=live |publisher= [[Arkansas Department of Environmental Quality]] |location= North Little Rock, Arkansas |year= 2016 |access-date=April 6, 2020 }}</ref> Swamps and bayous along the Sulphur River drain much of the western part of Miller County. A levee in the eastern part of Miller County delineates the border between the McKinney Bayou watershed, with everything east of the levee within the Red River [[floodplain]].<ref>{{Cite map |year= 2004 |publisher = DeLorme |title = Arkansas Atlas and Gazetteer |edition = Second |sections = 55, 60 |location= [[Yarmouth, Maine]] |isbn= 978-0-89933-345-8 |oclc= 780322182 }}</ref> Areas within the levee are frequently subject to inundation by the Red, including a town evacuation of [[Garland City, Arkansas|Garland City]] in 2015.<ref>{{ cite web |title= Evacuation lifted for Arkansas town as Red River recedes |publisher= Associated Press |date= June 6, 2015 |via=NewsBank |url=https://infoweb.newsbank.com/apps/news/document-view?p=NewsBank&docref=news/155CD5BEC42F22F0 |access-date=April 6, 2020 }}</ref>