Algae Bloom Warnings Issued in Whatcom County

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  Whatcom County Sheriff's Office issued two public alerts on July 24, 2026No usable supporting receipt — unverified.
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  Whatcom County Sheriff's Office warned residents about harmful algae blooms in Lake WhatcomNo usable supporting receipt — unverified.
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  Whatcom County Sheriff's Office advised residents to exercise caution with all water bodies during summer monthsNo usable supporting receipt — unverified.
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  The alerts note that warmer temperatures and nutrients in water can cause rapid growth of blue-green algae“Summer is in full swing! Warmer temperatures and extra nutrients in the water can cause blue-green algae to grow rapidly at this time of year.”
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  Some blue-green algae produce toxins that can make people and pets severely ill“While not all algae blooms are dangerous, some can produce toxins that can make people and pets severely ill.”
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  Residents with private water systems drawing from Lake Whatcom are urged to be aware of potential harmful algae blooms“If you get your drinking water directly from Lake Whatcom through your own private drinking water system, you should be aware that Harmful Algae Blooms can occur in Lake Whatcom.”
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  County officials implemented a county-wide Stage 2 burn ban until further notice“A county-wide stage 2 burn ban in effect until further notice, no outdoor burning allowed.”
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  The county-wide Stage 2 burn ban prohibits all outdoor burning due to dry conditions“A county-wide stage 2 burn ban in effect until further notice, no outdoor burning allowed.”