Algae found at Lost Creek

A health advisory prompted by high algae levels found in Lost Creek Lake, located 30 miles northeast of Medford on the Rogue River, was issued June 4 by Oregon Public Health and the Jackson County Health Department.

Water monitoring has confirmed the presence of blue-green algae that can produce toxins harmful to humans and animals. These algae levels are likely to be associated with dangerous toxin concentrations in the water, according to World Health Organization guidelines.

Swallowing or inhaling water droplets should be avoided, as well as skin contact with water by humans or animals.

Drinking water from Lost Creek Lake is especially dangerous. The Public Health Division advises campers and other lake visitors that toxins cannot be removed by boiling, filtering or treating the water with camping-style filters. 

People who draw in-home water directly from Lost Creek Lake are advised to use an alternative water source because private treatment systems are not proven effective in removing algae toxins. However, public drinking water systems can reduce algae toxins through proper filtration and disinfection. If people on public water systems have questions about treatment and testing, they should contact their water supplier.

Oregon Public Health recommends that people who choose to eat fish from waters where algae blooms are present should remove all fat, skin and organs before cooking since toxins are more likely to collect in these tissues.

Additionally, the agency advises that people should not eat crayfish or freshwater shellfish harvested from Lost Creek Lake while this advisory is in effect.

Exposure to toxins can produce symptoms of numbness, tingling and dizziness that can lead to difficulty breathing or heart problems and require immediate medical attention. Symptoms of skin irritation, weakness, diarrhea, nausea, cramps and fainting should also receive medical attention if they persist or worsen. Children and pets are particularly susceptible.

The public will be advised when the concern no longer exists.  

With proper precautions to avoid water contact, people are encouraged to visit Lost Creek Lake and enjoy activities such as camping, hiking, biking, picnicking, catch-and-release fishing and bird watching. Boating is safe as long as speeds do not create excessive water spray, which could lead to inhalation risk.

For local information contact Chad Stuart at the U.S. Army Corps of Engineers at 541-878-2255.

For health information, contact the Harmful Algae Bloom program at  971-673-0440 or; also the Oregon Public Health toll-free information line at 1-877-290-6767.

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