The Associated Press used information obtained by public records requests to states to supplement data in the National Inventory of Dams, tallying over 2,200 high-hazard dams that are in poor or unsatisfactory condition in 48 states and Puerto Rico. The Corps also allowed federal agencies and states to restrict the release of information about the dams they oversee, and some continue to do so citing terrorism concerns.
TURBOTAX 2017 ONLINE DOWNLOAD UPDATE
That’s because some federal agencies failed to update their data. Yet the status of many dams remains a mystery. 11, 2001, terror attacks.īut in a move toward greater transparency, the Corps launched an updated website late last year that includes hazard ratings and condition assessments for more than one-quarter of the roughly 92,000 structures.
Army Corps of Engineers declined to reveal the conditions of dams in the National Inventory of Dams - which it maintains - citing security concerns stemming from the Sept. Society on Dams.įor much of the past couple of decades, the U.S. So it is important to share this information,” said Del Shannon, a Colorado-based engineer who has assessed hundreds of dams and is president of the U.S. “These structures impact people, and this is what we’re obviously most worried about. The lack of publicly available data about potentially hazardous dams has raised concern among some experts. Nor is there any condition listed for California’s Oroville Dam, the country’s tallest, which underwent a $1 billion makeover after its spillway failed.ĭetails about the conditions of these and other prominent dams are kept secret from the public, listed as “not available” in the National Inventory of Dams. Americans wondering whether a nearby dam could be dangerous can look up the condition and hazard ratings of tens of thousands of dams nationwide using an online database run by the federal government.īut they won’t find the condition of Hoover Dam, which impounds one the nation’s largest reservoirs on the border of Nevada and Arizona.
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