1119-008 Lake Icaria Final Report

(2014) 1119-008 Lake Icaria Final Report. Agriculture and Land Stewardship

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Abstract

Lake Icaria is a 660 acre man-made lake in rural Adams County. Lake Icaria is a popular recreational attraction providing ample fishing, boating, and swimming opportunities. Constructed in 1977 for water supply, Lake lcaria continues to provide reliable drinking water to 1,900 households in Adams and Montgomery counties. No stranger to the water quality world, Lake Icaria was the primary lake in the 3Lakes Water Quality Project(1996-2004), an eight year water quality effort which came to be known as one oflowa's first great water quality successes. At time of construction the Lake Icaria watershed was primarily grass. A shift towards maximizing crop production in the 1980's brought about the end of dairy farms and a concern for sediment loss and how that would affect water quality. This change in land use set the stage for the first water quality project at Lake Icaria. Since the conclusion of the 3Lakes Water Quality Project in 2004land use in the watershed has made yet another monumental shift towards crop production. Nearly 2,000 acres ofland that was once in the conservation reserve program is now being planted to a crop. This change in land use has once again brought about serious concerns for the quality of water being provided by Lake Icaria.