What are some dangerous bacteria that we can find in lakes?



  1. 0 Votes

    There are actually quite a few different types of harmful bacteria that we can find in lakes.  One of the most common, and often you’ll hear about large outbreaks or “plumes”, is cyanobacteria. Drinking, or even swimming in, water contaminated with cyanobacteria can lead to serious illness.  It usually forms a blue-green film on the water wherever it breaks out.

  2. 0 Votes

    One common bacteria that causes a lot of lake and swimming area closures is enterococci, a bacteria found in human feces. One method often used to determine the safety of swimming in a particular body of water is to test levels of enterococci to see what the potential for fecal contamination is in the water. Enterococci can enter a water system through human contamination or from methods such as sewage leaks or a septic system that is not working properly. There are certain levels of enterococci that are safe to have in water because they are a naturally occurring bacteria; but after a certain level it becomes dangerous and closures and caution is necessary. Contaminated water that is ingested can cause diarrhea, stomach ache, fever, and infections, and can occasionally lead to much more serious problems like typhoid, dysentery, and cholera.

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