Keystone Dam water released after levels reach 21-year high

    The U.S. Army Corps of Engineers released the largest amount of water to run through Keystone Dam in 21 years after torrential downpours soaked the Arkansas River drainage basin in northeastern Oklahoma.

    The Tulsa World reports that on Monday, the corps let loose 85,000 cubic feet (2407.2 cubic meters) of water per second from the dam, which is located about 24 miles (38 kilometers) northwest of Tulsa. The rate’s equivalent to an Olympic-sized swimming pool flowing into the Arkansas River every second.

    Volunteers filled over 4 thousand sand bags on Saturday to help prevent flooding.

    Storms dumped up to 9 inches (22.86 centimeters) of rain in parts of Kansas and Oklahoma last week, with some runoff in the Arkansas River basin ending up in Keystone Lake, popular for boating and fishing and camping.

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