Work on a Yakima dam removal project that aims to improve fish passage and water reliability is slated to start next year.
Nelson Dam, on the Naches tributary of the Yakima River, was built in the 1920s to divert irrigation water for Yakima and the Naches-Cowiche Irrigation Co. The original design did not allow any fish passage.
The dam has held back tons of sediment and silt over the years, raising the river bed and causing the Naches River to overflow its banks and pour into the surrounding community during even minor flooding.
Dave Brown, the water and irrigation manager for the city of Yakima, told the Yakima City Council during a Tuesday budget meeting that funding the Nelson Dam removal project would help fish and people alike.
The project will improve fish passage and sediment continuity to improve habitat, increase flow conveyance to decrease flooding risks for nearby landowners, and improve water supply reliability, Brown said.
Upgrades to the system have since eliminated the need for the dam. Yakima County natural resources staff have developed a plan for removal of the dam and regrading the riverbed, the design of which is 90% complete. The plan should be finished by the end of this year, Brown said.
The city of Yakima is slated to invest a $7.5 million in the $26 million multi-agency collaboration — part of the Yakima Basin Integrated Plan — over the next four to five years. About $6 million of that total will come from bonds, whereas about $1.5 million will come from reserves, Brown said.
Council members said they were excited to see the project move forward.
In other budget presentations Tuesday, Public Works Director Scott Schafer reported progress on road projects, including McClure Elementary School safety improvements and funding for the second and third phases of the North First Street Revitalization Project.
Schafer noted, however, that additional funding was necessary for other needed repairs around Robertson and Nob Hill Elementary Schools.
Schafer also reported that other projects, including feasibility studies for the Henry Beauchamp and Washington Fruit community centers, were on hold due to COVID-19.
Parks and Recreation Manager Ken Wilkinson shared news about new playground equipment in the Martin Luther King Jr. Park on the city’s east side. Wilkinson credited his staff and community partnerships for improvements to city parks.
“We are so grateful to our donors and our service clubs,” Wilkinson said.
Wilkinson also outlined several expenses on the horizon: renovations for Franklin Park’s tennis courts and water slide, a dehumidifier system for Lions Pool, and new playground equipment for Miller Park.
Councilman Jason White was absent from the meeting.
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