Are You Looking for Environmental Services in Hillsboro, OR?

Clean Water Services is a water resource management utility specializing in wastewater treatment, stormwater management, and environmental protection for Washington County, Oregon. Since 1970, we have operated advanced treatment facilities that process over 100 million gallons of wastewater daily, using science-based solutions to return clean water to the Tualatin River. Our services include public education programs, infrastructure maintenance, and innovative projects like nutrient recovery and energy generation from biosolids.