A basin—or watershed—is all the land area that drains to a body of water.Visit the Lake Champlain Basin Atlas to learn more →
Watch more of the Clean Water Commitment series to learn about phosphorus and the TMDL for Lake Champlain →
Watch more Diving In videos to learn how people are helping to protect the Lake Champlain Basin →
These animations explain why phosphorus is a problem, what the TMDL is, and how people can help to achieve the goals of the Lake Champlain phosphorus Total Maximum Daily Load (TMDL).