Minnesota Twins stadium to recycle rainwater

The new Target Field claims to be first sports venue to use purified rain for upkeep and irrigation, asserting that it will reduce ball club's water consumption by 50 percent.

The Minnesota Twins' new stadium will include a rain-water recycling system, the baseball team said Tuesday.

The system was custom designed for Target Field by Minnesota-based Pentair, a tech company that specializes in part on water treatment and storage. Pentair's system will capture, filter, and purify rainwater for reuse at the stadium.

Specifically, the system will collect and purify rainwater from throughout the ballpark's seven acres, including the stands, and store it in a cistern buried deep in the ground under the outfield. That so-called gray water will then be used to wash down the stands and irrigate the field.

Pentair, which has been named the "official sustainable water provider" for the Twins, asserts that its filtration and purification system produces water that is as clean or cleaner than most household tap water.

In addition to the rain-recycling system, Pentair will also provide the stadium's spectator suites, administrative offices, and training facilities for players with its tap water filtration system. The additional system is part of an effort to encourage stadium visitors to drink tap water and use less bottled water.

It's estimated that Target Field will still need to draw 50 percent of its water from the municipality. However, the use of gray water should reduce the club's use of municipal water by about 2 million gallons per year, according to the Twins.

"Clean water and conservation are worldwide issues, but that being said, I believe that they hit closer to home in the Land of 10,000 Lakes," Twins President Dave St. Peter said at a Tuesday news conference.

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In a software-driven world, it's easy to forget about the nuts and bolts. Whether it's cars, robots, personal gadgetry or industrial machines, Candace Lombardi examines the moving parts that keep our world rotating. A journalist who divides her time between the United States and the United Kingdom, Lombardi has written about technology for the sites of The New York Times, CNET, USA Today, MSN, ZDNet, Silicon.com, and GameSpot. She is a member of the CNET Blog Network and is not a current employee of CNET.

 

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