YAKIMA, Wash. - The cracked Wanapum Dam should be repaired and its reservoir on the Columbia River near Vantage refilled by the end of the year.
Grant County Public Utility District says it has started drilling holes that will be used to anchor the dam in bedrock.
A 65-foot-long crack was discovered in the dam in February, and the utility determined more concrete and steel should have been used in the spillway when the dam was built in the 1960s.
The Yakima Herald-Republic reports the final repair plan is awaiting approval from the Federal Energy Regulatory Commission but drilling anchor holes in advance will save time.
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