Clean Water Services | 4,501 followers on LinkedIn. We combine science and nature to clean water and return it to the Tualatin River to be used again. | Everything we do at Clean Water Services aims to protect public health, while enhancing the natural environment of the Tualatin River Watershed. Combining science and nature, we work in partnership with others to safeguard the river's health and vitality, ensure the economic success of our region, and protect public health for more than 600,000 residents and businesses in urban Washington County.