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Lake Ivanhoe

Lake in Appalachian Mountains near Sanbornville, NH

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Lake Ivanhoe (also known as Round Pond) is located in Carroll County, New Hampshire, in the United States. The lake has no traditional inlets or outlets. Historically, a small stream drained Lake Ivanhoe to Great East Lake, but construction filled in that stream many years ago and now drainage flows over land to Great East Lake. Lake Ivanhoe is classified as "Potentially Impaired" according to the New Hampshire Department of Environmental Services water quality parameters. Lake Ivanhoe receives this designation due to its in-lake phosphorus concentration which exceeds the water quality standards for oligotrophic lakes. The Lake Ivanhoe watershed is 455 acres (184 ha) and is 64% forested. The watershed is currently 17%, developed with 59% of the watershed being buildable area. The Lake…

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Lake