Three Rivers Regional Wastewater Authority
Facilities
Our Mission
To always provide the best possible wastewater and biosolids treatment for the citizens served by the Three Rivers Regional Wastewater Authority in accordance with all Federal, State, and Local regulations and in accordance with the policies set by the Three Rivers Regional Wastewater Authority; thereby, ensuring public health safety, protection of the receiving stream, and protection of the environment.
Three Rivers Regional Wastewater Authority
Serving our Citizens
The Three Rivers Regional Wastewater Authority (TRRWA) is a municipal corporation organized pursuant to a Washington Joint Municipal Utility Services Agreement between Cowlitz County, the City of Longview, the City of Kelso, and Beacon Hill Water & Sewer District.