[env-trinity] River flow reduced due to oil leak at power plant

Tom Stokely tstokely at att.net
Sun May 5 08:26:45 PDT 2019

Does anybody know when the repair will be completed and river flows returned back to normal?

River flow reduced due to oil leak at power plant
   - May 1, 2019 Updated May 1, 2019
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This 2017 photo shows the hollow jet valves, which are one of the ways to release water from Trinity Lake. Flows have been reduced due to an oil leak in one of the valves. The leak has been stopped.
Trinity Journal file   
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The high spring flow to the Trinity River was cut back due to an oil leak at the Trinity PowerPlant.

The power plant is at the base of Trinity Dam, upstream from Lewiston Dam.

The potential leak was reported Monday afternoon, and the federal Bureau of Reclamation took immediate action to locate, stop and confine the leak, said Christie Kalkowski, public affairs officer for the Bureau of Reclamation, Mid-Pacific Regional Office.

On Tuesday, employees found the leak source that originated from one of the two hydraulic valves (hollow jets) used during high flow releases. They stopped the leak.

Flows were reduced to further assist in assessing the leak Tuesday afternoon, as well as to address operational issues at the powerplant, Kalkowski said.

Flows will be reduced to 3,500 cfs while Reclamation assesses the situation and makes repairs. The powerplant is temporarily shut down today.

To ensure the oil doesn’t get to the fish hatchery at Lewiston Dam, crews have installed numerous booms above the hatchery as a precautionary action.
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