Utah Lake algal bloom causes closure of Oquirrh Lake

South Jordan, Utah (July 18, 2016) - Kennecott Land closed Oquirrh Lake on Sunday, July 17 and took other precautionary steps as a result of the algal bloom in Utah Lake. All resident homes in Daybreak use culinary water, which is not impacted.

In addition to closing Oquirrh Lake, all water fed to the lake, Brookside Stream and water that is used to irrigate parks and open spaces in the Daybreak community has been shut off.

Water from Utah Lake is a secondary water source used for Oquirrh Lake. It is not known at this time if Oquirrh Lake has been affected by the algal bloom, but water samples will be taken today and results will be reported when they are received.

“Our priority is to be proactive in protecting residents and users of the lake and streams where water from Utah Lake is used,” said Ty McCutcheon, vice president, Kennecott Land. “We will continue to make the best decisions for the public as we learn more about the potential impacts of the algal bloom.”

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About Rio Tinto Kennecott
As the second largest copper producer in the United States, Rio Tinto Kennecott comprises nearly 7 percent of U.S. copper production. Kennecott’s Bingham Canyon Mine is one of the top producing copper mines in the world with production at more than 19 million tons. Rio Tinto purchased Kennecott and related facilities in 1989 and has invested more than $2 billion in modernization since that time. Kennecott has also spent more than $350 million on the cleanup of historic mining waste and $100 million on groundwater cleanup. Take a closer look at riotintokennecott.com.

About Rio Tinto

Rio Tinto is a leading international mining group headquartered in the United Kingdom, combining Rio Tinto plc, a London and NYSE listed company, and Rio Tinto Limited, which is listed on the Australian Securities Exchange.

Rio Tinto's business is finding, mining, and processing mineral resources. Major products are aluminum, copper, diamonds, energy (coal and uranium), gold, industrial minerals (borax, titanium dioxide, salt, talc) and iron ore. Activities span the world but are strongly represented in Australia and North America with significant businesses in South America, Asia, Europe and Southern Africa. www.riotinto.com