Payment Options
Need to pay your water and sewer bill?
Customer Service
Hours of Operation - Monday through Friday 8 AM to 5 PM.
Have a question about your bill, call our office at (406) 357-3160.
Moving? Call (406) 357-3160 or stop by 300 Ohio St to start, stop or transfer water/sewer service.
You may also reach us at chinookch@itstriangle.com.