Trempealeau County will hold an open house on proposed adjustments to its supervisory district lines from 4 to 7 p.m. Wednesday, July 22, in the courthouse community room in Whitehall.

Draft maps will be on display, and county staff will be on hand to answer questions about how the adjustments would shift district boundaries. Residents may leave written comments on cards provided at the door; no formal action will be taken.

The open-house format means visitors can stop in at any point during the evening hours. Comments gathered July 22 will be forwarded to the county board before any redistricting proposal comes up for a vote.