The goal of this Near Real-Time Lake Data pilot project
is to provide volunteers and the public
with a statewide perspective on current conditions for several lakes
that are geographically distributed throughout Maine.
Certified volunteer lake monitors collect Secchi data and the information
is entered directly into this website.
It is important to note that the data displayed here are provisional— the normal quality assurance review
of the data has not yet taken place.
There are many indicators that are used to assess lake water quality.
The most universal and intuitive of these is a simple measurement of water
clarity, also known as lake transparency—the distance that one can
see down into the water. Lake transparency is measured with a device known
as a Secchi disk.
The distance down into the water that one can see
the disk is measured routinely through the spring and summer months to estimate
the concentration of algae in the water.
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Secchi transparency varies not only
from one lake to another, but also through time within any particular lake.
A decline over time in the depth of transparency readings may indicate negative changes in lake water quality.
For more information about monitoring lake water quality, contact the
Lake Stewards of Maine Volunteer Lake Monitoring Program.
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