Dalton Utilities broke ground recently on a 40-million gallons a day membrane filtration upgrade project at the V. D. Parrott Jr. Water Treatment Plant (WTP).
The WTP was originally constructed in 1963 and is Dalton Utilities' largest water treatment plant. The facility has not been significantly rehabilitated or improved in the last 20 years, with many components dating back to original construction.
Barge Design Solutions was contracted by Dalton Utilities in 2015 to develop a long-range and multi-phased capital improvement plan for the WTP. The study included an assessment of the existing facility components, evaluation of alternate treatment processes and recommendations for improvements to many of the plant's processes and systems. After submission of the plan, Barge was contracted to provide engineering services to design the facility upgrades. Subsequently, the utility entered into a contract with 3D Enterprises of Lexington, Kentucky, for $41.5 million to replace the existing 50-year-old mixed media filtration technology with the latest pressure membrane technology. This investment is a significant part of approximately $70 million of bond proceeds the utility acquired to upgrade its core water plant infrastructure and extend the facility life for another 50 years.
The upgrades to the WTP's core water plant infrastructure include replacement of the chemical treatment systems, new raw water pumping facilities and membrane filtration technology to further improve water quality. The estimated completion date for the project is spring 2022.