Low levels of pesticide found in Manitoba lake after dead crayfish discovered on shore

Aug. 26, CBC News:

Water tests have confirmed the presence of a pesticide in a western Manitoba lake and while officials say swimming in the lake is still safe, eating fish from it isn’t advised.

Campers raised the alarm at Seech Lake, north of Oakburn, Man. — approximately 250 kilometres northwest of Winnipeg — about two weeks ago after finding dead water beetles and crayfish on the shore.

Manitoba Sustainable Development and Health Canada both collected water samples and launched investigations as a result.

On Friday, a provincial spokesperson confirmed a pesticide, sold under the brand name Matador, was found in the lake in low levels. The levels detected were below what would be considered a health concern.

“Testing of Seech Lake indicates that lake users can resume use of the lake water for domestic uses and swimming,” a provincial spokesperson said on Friday of the investigation’s status. Read more.

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