Missouri River Water Management News

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Category: Gavins Point
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  • Generator maintenance will result in water releases through spillway gates at Gavins Point Dam

    Maintenance on the generators at Gavins Point Powerplant near Yankton, South Dakota, will result in the need to release water through the spillway gates through Sept. 30.
  • Gavins Point spillway flow forecast during archery paddlefish season

    Completion of work being done on a generator at Gavins Point Dam, near Yankton, SD, will allow spillway gates to be closed near the start of archery paddlefish season. The work, which included repairs on the turbines, will be completed ahead of schedule on May 31. As soon as the generator has been checked, and is cleared to return the service, the spillway gates will be closed. Pending any unforeseen problems, the unit is expected to be returned to service on Thursday, June 3rd.
  • Crest Road Closed Monday, May 24 for maintenance

    The road that crosses Gavins Point Dam near Yankton, South Dakota, also known as Crest Road, will be closed Monday, May 24 from 8 a.m. to 12 p.m. for maintenance. People are asked to take alternate routes during the closure.
  • Crest Road at Gavins Point Dam closed May 11 for maintenance

    The U.S. Army Corps of Engineers, Omaha District announced that the road that crosses Gavins Point Dam near Yankton, SD, also known as Crest Road, will be closed Tuesday, May 11 from 9 a.m. – 11 a.m. for maintenance. People are asked to take alternate routes during the closure.
  • Gavins Point Dam powerplant generators will be shut down for inspection

    The U.S. Army Corps of Engineers, Omaha District announces that all three generators at the Gavins Point Dam powerplant near Yankton, South Dakota, will be shut down to allow for the underwater inspection of the draft tube gate slots on the downstream side of the powerplant. During this outage, all 14 spillway gates will be open to meet the authorized purposes downstream.
  • Construction project begins below Gavins Point Dam

    YANKTON, S.D. – A large construction contract has begun in the area below Gavins Point Dam along Lake Yankton. The project is to connect relief wells, which are at the bottom, or “toe” of the dam, that are designed to relieve excess water pressure on the earthen structure. There are 75 relief wells and numerous discharges into Lake Yankton. Of those 75 relief wells, 31 will be connected into three main discharges. This will allow for a more controlled discharge. Once the main discharges are installed, the ground will be backfilled with dirt to cover the discharge pipes and prevent any erosion.
  • Spillway gate and generator maintenance will cause water releases throughout October’s paddlefish season

    Anglers in the area for paddlefish snagging season will have some short disruptions due to spillway gate maintenance at Gavins Point Dam, near Yankton, SD, through October 16. The maintenance will require water to flow from a single gate several times a day for 10-15 minutes at a time. Beginning October 19, when upgrades are scheduled for generators, multiple spillway gates will remain open 24 hours a day.
  • Crest Road closed Tuesday, Dec. 1 for maintenance

    The U.S. Army Corps of Engineers Gavins Point Dam announced that the road that crosses the dam near Yankton, S.D., also known as Crest Road, will be closed Tuesday from 8 a.m. to 12 p.m. for maintenance. People are asked to take alternate routes during the closure.
  • Crest Road closed Monday and Tuesday

    YANKTON, S.D. – The U.S. Army Corps of Engineers announced Friday that Crest Road will be closed Monday from 9 a.m. to 4 p.m. and Tuesday from 8 a.m. to 4 p.m. for bridge inspections; motorists should plan on taking alternate routes during the closure.
  • Lewis and Clark Visitor Center opens with modifications

    The U.S. Army Corps of Engineers Lewis and Clark Visitor Center at Gavins Point Project will open Tuesday to visitors daily from 9 a.m. to 4 p.m.