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Lake Health

Blue-green Algae

Blue-green algae, also known as cyanobacteria, is present in Lake Nepewassi and harmful to humans and pets. Blooms commonly occur in late summer and fall. Key factors in the growth of algae blooms are the presence of phospherous and nitrogen in the water. Leaching from faulty septic systems and use of lawn fertilizers, personal care products and cleaning agents are known to encourage the growth of blue-green algae. Our lake association has put up signs on Nepewassi Lake Road to support our awareness of the ways we can help prevent algae blooms on the lake. 

Learn more about how to identify blooms, what to do when cyanobacteria is present and how to prevent it with these links:

Public Health Sante Publique Sudbury and Districts 

Ontario Ministry of Environment and Energy information on algae blooms

FOCA information on blue-green algae

Rural Ontario Wastewater Centre

Invasive Species
 

The Greater Sudbury Lake Water Quality Program aims to educate the public on the threat of invasive species and what we can do to help. The city's department of Environment and Sustainability has information on invasive species that are a concern in our area, including giant hogweed and invasive aquatic species such as spiny water fleas and Eurasian water-milfoil. Click here to connect to their invasive species information website which includes the number for the sighting hotline.

 

For more information about a variety of invaders (from terrestrial and aquatic plants to fish, wildlife and invertebrates), check out the website for Ontario's Invading Species Awareness program
 

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Eurasian water-milfoil

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Spiny and fishhook water fleas


 

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