- Associated Press - Thursday, November 5, 2015

ABERDEEN, Wash. (AP) - Washington state ecology officials have fined a contractor $90,000 for failing to properly decommission 15 groundwater monitoring wells at a site in Aberdeen.

Kiewit General was hired by the state transportation department to build a pontoon construction facility for the new SR 520 floating bridge. Before building the facility, they installed 36 temporary monitoring wells along the Chehalis River.

Kiewit used drillers to decommission 21 of the wells, but 15 others were not properly sealed or decommissioned. They were paved over or had something built on top of them.

Officials say wells are a direct conduit to groundwater and there’s a serious contamination threat if they’re not properly closed.

Kiewit has 30 days to appeal the penalty.

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