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Resident cites noise measurements as council weighs fair zoning change
Summary
A Cannon Falls resident presented sound-measurement data from a Sept. 13 monster truck event and urged the council not to rewrite the fair zoning text amendment, suggesting a temporary zoning overlay for the Cannon Valley Fair instead. City staff said some measurements were shorter than the state standard period and wind may have affected results.
Erin McMahon, a Cannon Falls resident, told the City Council on Nov. 18 that Tim Schwartz of the PCA provided sound measurements from a Sept. 13 monster truck event that, she said, exceeded state statute noise thresholds during the evening showing.
McMahon relayed specific readings she said were taken by the PCA: an L10 reading she cited as 105.9 decibels for the matinee and 125 decibels for the evening event, and L50 figures she summarized as 97.5 dB (matinee) and 119.5 dB (evening). She urged the council that the proposed fair…
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