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Noise-ordinance update tied in committee after debate over low-frequency limits
Summary
A proposed update to St. Joseph County's noise ordinance that would add C-weighted (low-frequency) measurements was held in committee after a tie vote; the chair broke the tie to extend committee review for another month.
Committee members on March 10 discussed Bill 10125, a proposed update to the county noise-control ordinance developed by the council president. The proposal would add measurement of C-weighted frequencies — intended to capture low-frequency noise and vibration that residents feel rather than only the decibel ranges people commonly hear.
"The proposed ordinance introduces the concept of measuring the C-weighted range of frequencies...as the noise pressure levels or the vibrations that we feel," the sponsor said during the discussion. Members raised questions about enforcement, whether the county has a history of complaints in industrial zones, and technical challenges in measuring and processing low-frequency vibration data.
After debate, the recorded committee vote was a tie; the chair used a tiebreaking vote to hold the ordinance in committee for an additional month so members can address enforcement, advertising and other technical questions before moving toward a full vote.
Next steps
Committee members asked staff to answer several technical and enforcement questions and to ensure subsequent versions are publicly advertised so stakeholders have notice before a future vote.
