The Southwest Water Authority (SWA), a political subdivision, was established by the North Dakota State Legislature in 1991 to manage, operate and maintain the Southwest Pipeline Project (SWPP). SWA is governed by a 15 member board of directors representing the following counties: Adams, Billings, Bowman, Dunn, Golden Valley, Grant, Hettinger, Mercer, Morton, Oliver, Slope and Stark, as well as the cities of Dickinson and Mandan.
The SWPP is state owned and administered by the North Dakota State Water Commission (SWC). SWPP transports raw water from Lake Sakakawea to Dickinson where it is treated and delivered to the project’s customers in southwest North Dakota and Perkins County, South Dakota. SWA is responsible for the management, operations and maintenance of the Project.
For 26 years, the SWPP has been constructing an efficient network of pipelines, pump stations, reservoirs and treatment facilities to bring southwest North Dakota an adequate quantity of quality water. To date, 28 communities and approximately 4,200 rural service locations, 17 small businesses, and 20 raw water customers are served by the pipeline.
Oliver, Mercer, North Dunn (OMND) Water Treatment Plant
Center Elevated Tank
Assembly of the Center water tank prior to raising it on the concrete pedestal.



