Downtown Montesano Groundwater Investigation
An area-wide investigation began in 2004 to examine known and suspected areas
of contamination in downtown Montesano. The investigation led to the
discovery of soil and groundwater contamination caused by historical and current
activities. Underground storage tanks used by former and current gas
stations have leaked petroleum products and created a large area of
contamination. Ecology also detected chlorinated solvents in the
groundwater at some locations in downtown. Potential sources of the solvent
contamination include auto repair and paint shops.
Ecology is now working with the Potentially Liable Parties (above) to continue the investigation of contamination in downtown Montesano. Once the extent of contamination has been determined, Ecology will decide what cleanup actions should be taken to reduce and eventually eliminate contamination in both soil and groundwater.
In order to make sure that human health is protected, Ecology is partnering with the State Department of Health to determine if any of the contamination presents a health risk to the community. Ecology will continue to keep the community informed as work in downtown Montesano moves forward..
Montesano, Grays Harbor County
Status: Remedial Action In Progress
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