AVX argued the former Myrtle Beach Air Force base also contaminated the water and should be held at least partially responsible. But a U.S. District Judge decided the groundwater at the former military property did not flow toward the contaminated land, while water from the AVX plant did.
AVX must pay about $6 million to clean trichloroethylene, or TCE, from groundwater.
The chemical was used as an industrial degreaser in the 1970s and 1980s.
No hearing dates have been set.