The Kern County Health Department held a press conference Friday morning to discuss blue-green algae found in Paradise Cove, Kissack Cove and French Gulch in Lake Isabella.
Officials say the toxin levels are very high and can be deadly. Officials are warning residents to avoid the water ahead of the holiday weekend.
Blue-green algae can cause you to get sick, similar to eating bad seafood, digestion problems, skin irritation and allergic reactions.
Here's what Public Health said on their website:
Kern County Public Health is urging boaters and recreational users to avoid direct contact with or use of waters affected by harmful algal blooms (HABs) in Lake Isabella in Kern County.
The recommendation is based on the potential health risks from toxins produced by cyanobacteria, which is currently blooming in the lake. Algae and cyanobacteria, the organisms that cause HABs, have existed for billions of years as essential components of freshwater ecosystems. But when certain conditions favor their growth – warm temperatures, stagnant water flows, excessive nutrient inputs – they can multiply very rapidly creating “blooms.” These blooms can produce toxins, and taste and odor compounds, that pose health risks to humans and animals. When blooms pose a risk, they are referred to as harmful algal blooms (HABs).
A cyanobacteria bloom has been observed in the main body of the lake and along the shorelines of Paradise Cove, Kissack Cove and French Gulch. Health officials said levels are 24 times more toxic than the dangerous threshold and this is the most toxic they've recorded since they began test blue green algae levels.
On June 19, staff from the Central Valley Water Board and the Kern County Environmental Health Services collected water grab samples from Paradise Cove, Kissack Cove, and French Gulch.
Two cyanotoxins (microcystin and anatoxin-a) were detected in Paradise Cove and Kissack Cove. The microcystin concentrations at both sites exceeded the state’s Danger health advisory level for recreational waters, which recommends against any water contact including swimming and skiing.
Red danger signs are posted in these areas.
The French Gulch site had a microcystin detection that was above the state’s Caution advisory level, which presents a health concern for pets and children.
The Caution advisory level recommends that pets are kept out of the water and away from the shoreline and children are kept out of the shallow shoreline areas where the bloom may be concentrating. Be aware that bloom conditions can change rapidly and wind and waves may move or concentrate the bloom into different regions of the lake.
Yellow caution signs are posted in this area.
See the warning signs:
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