Coulee Dam utility customer charges for sewage treatment will likely rise $5-$6 a month to around $61-$62 per household equivalent when the town builds its new wastewater treatment plant, Mayor Greg Wilder told the town council at its Aug. 9 meeting.

Construction is beginning on the $7.7 million project now with the contractor on site.

Wilder said if Elmer City decides to build its own plant in...