Projects

Highlights of the District’s capital work and current projects

Capital Program

The District administers an active Capital Program to maintain and expand the sanitary sewer collection system and other District assets. More »

Pipe shoring staging

The District is an active partner in the community, protecting our water resources. There are roughly 6,000 existing septic systems throughout our service area, including 40 residential neighborhoods. The District has identified more than 40 SEP project areas and neighborhoods, including over 1,500 aging and sometimes failing septic systems. More »

Construction Forecast

As each year progresses, the construction activity in the District service area ebbs and flows. More »

Construction History

Completed construction projects. More »

Discovery Corridor Wastewater Transmission System Program

The Discovery Corridor Wastewater Transmission System (DCWTS), which provides service to the City of Ridgefield and the Discovery Corridor, is a multi-phased regional conveyance system that directs wastewater southward to the Salmon Creek Treatment Plant. More »

Wallace Heights Septic Elimination Project


The Wallace Heights SEP project will extend local sewer for 66 properties in the Wallace Heights neighborhood. The District successfully secured $985,000 in state grant funding and is actively pursuing a federal grant to lower connection costs for homeowners.

NE 179th Street Corridor Development

Two active development projects will be extending sewer service in the NE 179th Street Corridor: Mill Creek Terrace Subdivision and the Ridgefield School District Middle School Project. These projects will install a regional pump station, over half a mile of force main along NE 179th Street, and half a mile of gravity sewer in NE 179th Street and NE 29th Avenue.