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Harmful Algae Alert: Bloom Detected at McNary Refuge Near the Tri-Cities by Rik Mikals NewsTalk KFLD, September 1, 2026

Pet Owners: Stay Away From This Water Near the Tri-Cities

It's that time of year, and another algae bloom alert is being sent out from the Walla Walla County Department of Community Health.

Don't Let Your Dog Near This Water: Harmful Algae Bloom Detected Near Finley

This time the alert is from the McNary Refuge near Finley. The McNary Wildlife Refuge is seeing elevated levels of cyanobacteria (microcystin), also known as toxic/blue-green algae.

Exposure can cause extreme illness in people and pets. The McNary Wildlife Refuge is a popular destination to see bald eagles and other bird species.

McNary has an amazing amount of waterfowl in the refuge, but right now you'll need to take special care if you are headed out there.

Take these precautions according to officials:

• Do not swim or water ski.
• Do not drink the water.
• Keep pets and livestock away from the water.
• Clean fish well and discard guts.
• Avoid areas of scum when boating.
• When in doubt, stay out. Avoid water that is discolored, smells bad, or has foam, scum, or mats. Dead animals on or near the shoreline can also indicate the presence of toxic algae.

Related Sites:
Toxic algae found in Mcnary Wildlife Refuge water NBC Tri-Cities/Yakima, 8/28/26

Related Pages:
Harmful Algal Bloom at Ice Harbor Dam by Terry Murry, Elkhorn Media Group, 10/5/25
Harmful Liver Toxins Found in Algae in Snake River Near Clarkston by MMcNamara, Fox 28, 8/21/25
Sad About Toxic Algae by Julian Matthews, Lewiston Tribune, 9/27/25
Harmful Liver Toxins Found in Algae in Snake River Near Clarkston by MMcNamara, Fox 28, 8/21/25
Whitman County Health Department Lifts Health Advisory for Snake River Algal Bloom by Courtney Flatt, Big Country News, 10/29/24
Toxic Algal Bloom Found on the Snake River for Second Year in a Row by Courtney Flatt, Elkhorn Media Group, 8/17/24
Whitman County Public Health Reports Harmful Algal Bloom Found in Snake River by Vinny Saglimbeni, KREM, 1/16/24
Algae Bloom in Lower Snake River by Bert Bowler, Spokesman-Review, 11/14/23
Large Snake River Toxic Algal Bloom Hasn't Happened Before by Courtney Flatt, NW News Network, 10/10/23
Toxic Algae Warning Issued for Little Goose Dam by Staff, Tri-City Herald, 10/3/12