P.O. Box 500
1492 Wind River Hwy
Carson, Washington 98610
Pay by Phone (Available 24-hours): 877-885-7968
Drinking Water Quality Report
The Carson and Underwood Water 2020 Drinking Water Quality Report (CCR) is now available. This report contains important information about the source and quality of your drinking water. Please call (509) 427-5126 if you would like a paper report delivered to your home.
For more information about Carson and Underwood Water Systems or to view previous year’s reports go to the water services page.