Ground Water Treatment Plant Covers
The City has received a notice from the Oregon Health Association to cover the open concrete treatment
tanks at the City’s Groundwater Treatment Plant. The requirement for covers is to reduce the potential for
contamination of the water supply from the outside environment. The tanks requiring covers are two contact tanks and six filter tanks. The original construction had two filter tanks. Two additional tanks were added in 1980 and two more in 2007 making a total of six filter tanks. In 2025 The City is on construction cover the tanks to comply with the Oregon Health.
mandated covers are added.
A pre-construction meeting was held on July 29 with the Contractor, Cedar Mill Construction, the City, and Keller Associates.
Submittal approval and structural fabrication are progressing well
- Structural fabrication is underway for the steel buildings that will cover the filter basins. Anticipated delivery date for the structures is December.
- Final submittal approval is nearly complete for the fabric building that will cover the two contact basins. Anticipated delivery date for the structure is early 2026.
- Steel buildings that will cover the six filter basins are anticipated for delivery in late December / early January.
- Keller approved final submittal for the fabric building that will cover the two contact basins in mid-December. Anticipated delivery date for the structure is early 2026.
- Final completion date for construction is April 16, 2026.
