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The original item was published from 5/2/2019 7:46:00 PM to 5/11/2019 12:00:12 AM.

News Flash

Neighborhoods: Newport

Posted on: May 2, 2019

[ARCHIVED] Council to Vote on Streambed Rehab

The Issaquah City Council will vote on a proposal to spend $119,460 for streambed rehabilitation in Anti-Aircraft Creek during its May 6 meeting.

To reduce flooding risks, the City replaced a culvert that runs underneath Newport Way Northwest near Northwest Oakcrest Drive in 2017. The old culvert could not accommodate water from Anti-Aircraft Creek during major storms. The project also improved fish passage and habitat along the creek.

After the 2018 wet season, however, some of the streambed sediment material that was installed inside the culvert had been displaced, which is common for projects involving the natural environment. This sediment is vital for slowing velocities and promoting fish habitat and migration through the culvert.

The proposed new work, required by the Washington Department of Fish and Wildlife, includes installing rock, gravel material and log anchors within the culvert, as well as making minor improvements to an upstream catch basin structure connected to the culvert.

The new culvert will still reduce flooding risks, even with these new elements installed.

If approved, the work would have minimal impacts to traffic flow on Newport Way Northwest. Further updates will be posted via the City’s Notify Me tool.

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