Lake Champlain

Cyanobacteria in Vermont

Cyanobacteria (also known as blue-green algae) are common native organisms in lakes, ponds and rivers around the world.  In Vermont, they can be found in any water body, river or stream.  Some species of cyanobacteria produce toxins and these toxins have been documented in some Vermont lakes.  Cyanobacteria are not always toxic and it is not possible to tell by looking if toxins are present.  For this reason, the Vermont Department of Health and the Vermont DEC recommend that everyone avoid contact with cyanobacteria.

Outreach

Clean Water Initiative Lecture Series

Rules Determining Mean Water Levels

30 December 2011
"Mean water level" for purposes of 29 V.S.A. §401 and "normal mean water level" for purposes of 10 V.S.A. §1422(8) shall be referenced to National Geodetic Vertical Datum of 1929 (NGVD 29), and shall be determined according to these rules.

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