The Ministry of Environment says there are many causes for algal blooms in freshwaters and it is often difficult to pinpoint specific reasons why a bloom forms. In many cases, a set of unique environmental conditions occur in a waterbody, which can lead to a particular species dominating and triggering a bloom. While bloom formation is waterbody specific, the most common factors for bloom formation are timing, nutrients, temperature, light, and stable conditions. (Ministry Of Environment)

The Ministry of Environment says there are many causes for algal blooms in freshwaters and it is often difficult to pinpoint specific reasons why a bloom forms. In many cases, a set of unique environmental conditions occur in a waterbody, which can lead to a particular species dominating and triggering a bloom. While bloom formation is waterbody specific, the most common factors for bloom formation are timing, nutrients, temperature, light, and stable conditions. (Ministry Of Environment)

What you need to know about algae blooms

Spring is here and the warmer weather means algae can start growing in your favorite lake and may form a bloom. Algae are a natural part of the aquatic ecosystems of lakes and algae blooms can occur throughout the Interior Health region.

Blue-green algae or Cyanobacteria can produce several types of toxins that can be poisonous to people, pets or livestock. Cyanobacteria blooms often cause the water to look bad and may also smell bad.

Two of the most important ways to reduce the risk is to rinse off with clean water after swimming and do not consume lake water. As well, follow these additional precautions:

· If there is a bloom always use caution. Avoid all direct contact with a bloom. If contact is made, it is important to rinse your body with clean water.

· If you see a bloom recreational activities are discouraged, such as swimming.

· Consider using an alternate source for drinking water, if the bloom is in your drinking water source. Boiling the water will not remove any toxins. Contact your water supplier for more information.

· Consider providing pets and livestock with an alternate source of drinking water.

You can report an algae bloom online with the Province of BC Algae Watch to have it identified.

Interior Health does not routinely test water of algae blooms to find a type of algae or its toxin. Algae blooms can change all the time.

If you’re showing any of the symptoms listed below and believe they may be from exposure to cyanobacteria, see your health care provider.

· Headaches, nausea, fever, sore throat, dizziness, stomach cramps, diarrhea, abdominal pain, vomiting, muscle aches, mouth ulcers, blistering of the lips, rashes and irritation of the ears and eyes.

For the most up to date information go to Interior Health’s Cyanobacteria (Blue-Green Algae) page at: www.interiorhealth.ca > Your Environment > Recreational Water > Public Beaches > Blue-Green Algae (Cyanobacteria) Blooms

Additional information on Cyanobacteria Blooms (Blue-Green Algae) is available at HealthLinkBC: https://www.healthlinkbc.ca/healthlinkbc-files/cyanobacteria-blooms-blue-green-algae

Additional information on algae is also available on the Ministry of Environment’s Algae Watch website:

https://www2.gov.bc.ca/gov/content/environment/air-land-water/water/water-quality/algae-watch

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news@starjournal.net

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