About The Public Works Department

The Public Works Department is the largest department within the City of Warrenton with 19 full time employees. Public Works' offices and equipment storage yard are located at 45 SW 2nd Street. We are responsible for providing safe drinking water; collecting and treating wastewater; maintaining the existing water, sewer, storm water, dikes/levees, parks, trails and streets, sanitation/recycling services, and Mapping/GIS.

The Public Works Department works with the City’s Engineer of Record to budget, plan, design, and manage Capital Improvement Projects for water, sewer, storm water, parks, and streets/trails.The City of Warrenton operates a 6 million gallon per day Continuous Microfiltration Water Treatment Plant located at 86646 Lewis & Clark Road, south of the City. The City uses surface water collected from four dams on the Lewis & Clark River and its tributaries. Additionally, the City has a 17.5 million gallon reservoir for raw water and two 3.5 million gallon reservoir tanks for treated water.The City of Warrenton operates a 1.2 million gallon per day Sequencing Batch Reactor Wastewater Treatment Plant located at 105 NE 5th Street . The City WWTP staff also operates a septage hauler dump station at the facility open to private haulers to dispose of septic waste.