Clark Regional Wastewater District is a special purpose district providing wastewater services to unincorporated areas of Clark County including Hazel Dell, Salmon Creek, Felida, Lakeshore, Pleasant Valley, Orchards, Meadown Glade, Hockinson adn Brush Prairie. The District also serves the City of Ridgefield. The District serves over 34,000 customers with a population of over 90,000.

The District manages over 48 square miles of service area that includes almost 600 miles of pipelines and over 85 pump stations. The District currently employs over 65 full-time employees that manage, operate and maintain the wastewater collection and transmission system and perform the administrative functions of the District.