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Update: Toxins present in Lake Cascade, but no health advisory yet


Update: Idaho DEQ received the test results of water samples in Lake Cascade and the department says toxins are present. However, the levels don’t meet the threshold for Central District Health to issue a health advisory. CDH says it will continue to monitor the water.

Toxins can still be harmful to people and animals at varying concentrations throughout a body of water, according to Idaho DEQ.

Original story: The Idaho Department of Environmental Quality, or DEQ, took samples of Lake Cascade after reports of Cyanobacteria Blooms.

Cyanobacteria or Harmful Algal Bloom (HAB) can harm people and pets. Those recreating in water, eating fish and shellfish, or drinking the water contaminated by HAB are at risk of becoming sick. 

The reservoir samples were taken on June 22, a day after the report. Results are expected back next week, and at that point, Central District Health will determine the risks.

“Remember, when in doubt, stay out.” DEQ wrote in a Facebook post. 

Cyanobacteria is found in Idaho waters. But when it gets hot, the bacteria can bloom and release cyanotoxins into the water. Discolored water and a bad smell are both signs of HAB-contaminated water, according to DEQ. Click here to read about more ways it can be identified. 

The DEQ has a list of symptoms of cyanotoxin exposure that include skin irritation, upset stomach, and neurotoxic effects.

Autum Robertson - BoiseDev Reporter
Autum Robertson - BoiseDev Reporter
Autum Robertson is a BoiseDev reporter focused on Meridian and McCall. Contact her at [email protected].

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