In a June 19, 2020 Findings of Fact, Conclusions of Law, and Judgment (“Judgment”), the District Court of Jefferson County, Colorado, in Board of Commissioners of Adams County v. City and County of Denver, recounted in detail the expert testimony offered by Adams County, that fatally undercuts the traditional reliance by the City of Denver, operator of Denver International Airport (“DIA”), and airport operators in general, on “noise modeling” in place of “noise monitoring” to determine the impacts of the aircraft noise on surrounding communities.

The Judgment exhaustively recounted evidence offered by Adams County, detailing the flaws in the noise modeling utilized by DIA to document compliance with the noise provisions of the “Intergovernmental Agreement [for a new airport], (‘IGA’),” originally entered into between the two parties on April 21, 1988, when the plan for development of the new Denver airport was being initiated.


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