- Associated Press - Monday, May 18, 2015

EVERETT, Wash. (AP) - Lake Ketchum has undergone two treatments so far as part of a Snohomish County water quality project meant to clean up the 25-acre lake surrounded by houses, a parking area and a boat dock.

The Daily Herald reports (https://bit.ly/1Hqg5qI ) that county officials estimate that the lake’s phosphorous levels, which are the key to controlling toxic algae blooms, are about a tenth of what they used to be. But according to the county’s Surface Water Management program, the lake remains one of the most polluted in the county.

This year’s treatment required more than 13,000 gallons of aluminum sulfate and about 8,100 gallons of the sodium aluminate buffer.

Senior planner with the program, Gene Williams, says the county expects to have much better water quality this year than last year.


Information from: The Daily Herald, https://www.heraldnet.com

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