"In the European Union there are some very rigorous controls on groundwater pollution."

Love Canal was one of the most widely known examples of groundwater pollution.

Environmental regulations in the 1980s were established to diminish groundwater pollution and regulate landfill design.

Since 1995, as a result of groundwater pollution, water has been trucked in from 20 miles away.

The plant is already subject to extra inspections because of the groundwater pollution.

Last October, they released the first revision to rules governing groundwater pollution in more than a decade.

Extensive water use and the risk of groundwater pollution are the technology's greatest challenges.

It also breaks down quickly in the soil, lessening the risk of groundwater pollution.

Delaying the cleanup of a problem like groundwater pollution, she said, means "it probably will cost us more in the long run."

There is little information on groundwater pollution, but some drinking water wells had to be shut down for "safety reasons".