Water Treatment Plant 2 Construction Project

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Wednesday, Jan. 2, 2019 - 9:00 a.m.

In December 2018, the City of Olathe Public Works Department started on exciting upgrades at Water Treatment Plant 2 (WTP2.) Originally built in 1964 and last expanded in 2006, WTP2 provides drinking water to approximately 135,000 residents in Olathe and surrounding areas.

The City has partnered with Crossland Heavy Contractors, Black & Veatch, and HDR to design and construct approximately $17 million of upgrades at WTP2 over the next two years. These upgrades will rehabilitate critical treatment plant infrastructure, improve the taste and quality of the drinking water, and ensure reliable operation into the future for delivering delicious drinking water to all customers.

The major components of the project are:

  • Lime Feed Improvements. Lime is added to the treatment basins to soften the water. New lime storage silos and a building to house associated equipment will replace existing silos and equipment. The new facilities will provide improved safety for staff who operate and maintain the system and will ensure reliable operation of the treatment process.
  • Basin Modifications. The plant has three treatment basins that, with the lime addition, soften and remove particles in untreated water. Two treatment basins need equipment replacement, while equipment in the third basin will be repaired and repainted. These improvements will result in improved treatment efficiency and will ensure the integrity of the softening process now and into the future.
  • Water Storage Tank Replacement. The steel water storage tank will be demolished, and a new concrete storage tank will be built in its place. The new concrete tank will have an extended service life to store treated water until it is pumped into town.
  • Chlorine Dioxide Disinfection Facilities. Disinfecting drinking water is an important step, removing microbial pathogens that may be present in untreated water from the Kansas River. New chlorine dioxide disinfection facilities will replace existing disinfection facilities. The new facilities will ensure that all disinfection processes comply with federal drinking water regulations, while also improving the taste and odor of the drinking water.

The City of Olathe takes pride in providing high quality water to all customers, and these upgrades will ensure that remains the case into the future. Check back regularly for updates as the project progresses, and be sure to follow the City of Olathe on Facebook, Twitter, and Instagram for behind-the-scenes looks at construction activities!