Articles & Case Studies

Pall AriaTM Water System Part of the Solution for Providing Renewable Water Supply to Castle Rock, Colo.

Posted: Monday 3rd February 2014

The installation of a new water treatment system at the Plum Creek Water Purification facility in Castle Rock, Colo. is enabling the town to treat and deliver renewable surface water to residents and businesses for the first time. As part of the facility, which opened in June 2013, the Pall Aria system is a key component in a unique seven-step treatment process the Colorado town is using to treat renewable surface water from alluvial wells near East Plum Creek that are under the influence of surface water.

The Pall Aria(TM) water treatment system is part of a process that is enabling the town of Castle Rock, Colo. to transition from non-renewable water sources up to a 35-percent renewable supply. (Photo: Business Wire)

“The Pall Aria water treatment system is part of a process that is enabling the town to transition from non-renewable water sources up to a 35-percent renewable supply,” said Walt Schwarz, P.E., Town of Castle Rock Utilities project manager. “The opening of the plant represents an important step toward our goal of 75-percent renewable water. The Pall system gives us the flexibility we need to accelerate our efforts as we pursue our long-term water goals.”

With the opening of this new facility, the town is not only moving closer to realizing its stated renewable water goal, but is also expected to save on total water purification costs.

Featuring a treatment capacity of up to 4 million gallons per day (MGD), the Pall Aria system is currently treating approximately 2.7 MGD. The treatment facility, including the Pall system, is expandable to 12 MGD, which will help enable the town to meet future demand.

“The Plum Creek Water Purification Facility is an example of the forward-thinking utility companies that have deployed our technologies and helped establish Pall as the leader in drinking water treatment solutions,” said Mitch Summerfield, general manager, Pall Process Systems. “We are honored to help treat the renewable water supply for present and future residents of Castle Rock.”

After the membrane filtration system was delivered and installed, Pall technicians provided start-up assistance and training for the town’s plant operators. Pretreatment includes aeration, flocculation/sedimentation, and green sand filtration, and is designed to remove iron, manganese, and organic matter prior to membrane filtration. Membrane filtration provides a barrier to suspended particles as well as organisms such as Giardia lamblia and Cryptosporidium that are associated with surface water.




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