Bureau of Reclamation, South Dakota.
The Shadehill Unit of the Pick-Sloan Missouri Basin Program, consists of Shadehill Dam and Reservoir on the Grand River in the northwestern part of South Dakota, immediately downstream from the confluence of the North Fork and the South Fork of the Grand River. The reservoir has approximately 4,800 water surface acres, 8,358 land acres and 65 miles of shoreline. The South Dakota Department of Game, Fish and Parks manages the recreation activitiees ar Shadehill Reservoir, which include: public-use area, camping, picnic areas, trailer dump station, swimming, boating, and hiking. Available species include walleye, catfish, and bass. Open year-round. Current reservoir levels.
Effective immediately, Reclamation will require all boats launching at Lake Berryessa to participate in a seal program to prevent the spread of invasive mussels. All vessels wishing to launch at Lake Berryessa will be inspected. A red quarantine seal will be applied for 30 days during, which the vessel will not be permitted to launch. Vessels that have finished the 30-day quarantine may return to the lake and have the seal removed by authorized staff and will be allowed to launch. For more information on this updated protocol, please view the press release here: https://www.usbr.gov/newsroom/news-release/5031.
Site is 12 miles south of Lemmon on State Highway 73.