Leaking underground storage tanks remain a leading cause of groundwater pollution even after more than a half-million sites have been cleaned up. Even modern tanks will eventually leak.

In 2012 and 2013, the U.S. Department of Energy reported leaks at seven of Hanford’s 177 storage tanks, including AY-102 and six single-shell tanks.

The fuel leak occurred at a valve connected to an above-ground storage tank, Heine said. The cause of the leak is being investigated, and representatives of the Environmenal Protection Agency have ...

In the latest setback for the cleanup at the site of the Fukushima nuclear reactors, a storage tank meant to hold contaminated water from other areas of the site has sprung a leak, dumping ...

WASHINGTON --The government owns hundreds of underground fuel tanks, several in Michigan, that need to be inspected for leaks of hazardous substances that could make local water undrinkable. Many ...

The early-September violation notice said St. Charles Redmond failed to have adequate release detection equipment on piping for an underground storage tank that holds fuel for emergency generators ...