The biggest project involves the cleanup of 11 contaminated sites throughout the Park and in Wyoming. The contamination was caused by leaky gas tanks at concessionaire-run filling stations built in the early days of the Park. For instance, there’s a tank at a former gas station in Lake Village just 100 feet from the lake; the station is still there (it’s located right next to the General Store), the tank is being removed, and the contaminated soil is being replaced.
Tanks are being replaced at several former filling-station sites and maintenance facilities at Bridge Bay Marina, Canyon, Fishing Bridge, Grant Village and Old Faithful, as well as a gas station at Pahaska Tepee just outside the East Entrance.
The total cost of the cleanup: $3.5 million.