Health Advisory Issued: Algae Bloom Concerns at North End of Hayden Lake

Health officials are raising alarms about an algae bloom in the northern part of Hayden Lake, especially around Sportsman’s Park. This bloom, caused by harmful cyanobacteria, can be dangerous for both people and pets.

The Idaho Department of Health and Welfare issued a warning recently. Dan McCracken, a regional administrator for the Department of Environmental Quality, noted this isn’t the first time this area has faced such blooms. In fact, the current bloom resembles those from previous years.

Bob Steen, a surface water ecologist, explained that two types of algae, dolichospermum and microcystis, are behind the bloom. These organisms naturally exist in water but can be harmful when they grow rapidly, often triggered by warm, dry weather. “It’s not just about nutrients. Weather plays a crucial role,” Steen mentioned.

Public health advisories are put in place when harmful cell counts exceed 100,000. Unfortunately, initial tests showed this bloom has over 8 million cells. Despite this alarming number, Steen reassured that most of Hayden Lake remains safe. “99.9% of the lake is clear and clean. Only the shoreline up north has issues,” he said.

Visitors to popular areas like Honeysuckle Beach don’t need to worry. A local resident spotted the bloom, prompting officials to monitor the area. If it spreads, they’ll map its boundaries.

Health advisories are lifted once two tests show cell counts below 100,000. Until then, officials advise against drinking the lake water, as boiling or filtering won’t remove toxins. It’s also crucial for swimmers and boaters to wash off after exposure. Symptoms of contact may include rashes, diarrhea, and respiratory issues. Severe cases can affect the nervous system.

Pets are particularly at risk. A fish consumption advisory is also in play; fishing near the bloom is not recommended until it clears up. If you do catch fish in the area, wear gloves and wash your hands well. Rinsing fish fillets before cooking is essential to avoid sickness.

With the rise of harmful algae blooms, communities across the U.S. are grappling with similar issues. The Environmental Protection Agency (EPA) reported that 2019 saw a record number of harmful algal bloom alerts across the nation. These blooms thrive in warmer waters and can swell quickly, often catching communities off guard.

Experts urge a proactive approach to monitoring water quality. Local governments can leverage technologies like satellite imagery to keep track of algae growth. Social media is buzzing with reactions from residents, highlighting their concerns for both public health and local wildlife.

For further information about harmful algal blooms, check out the CDC’s resources.

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