The City of Cranbrook has lifted its community-wide water quality advisory after being in place for nearly a month.
The advisory was first placed on the community in early April and has been lifted as of Friday, May 2.
“Turbidity levels have been sitting at about 1 NTU since April 9, 2025, but testing over the past 48 hours confirms that the turbidity levels in Phillips Reservoir have dropped below 1 NTU, allowing the Water Quality Advisory to be lifted,” said the City.
“Turbidity is a measure of water clarity or how much matter is suspended in the water, like soil particles.”
The City says the increased turbidity was likely due to the seasonal transition into spring, encouraging fast lake turnover, which has stirred up sediment.
“Both the City of Cranbrook and Interior Health Authority appreciate the patience and understanding of those impacted by this Water Quality Advisory,” said the City.
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