U.S. EPA Response Actions
The U.S. Environmental Protection Agency (EPA) has completed several response actions in Northport, WA over the last 20 years related to the former Le Roi Smelter. From 1993 to 2004, EPA conducted a preliminary assessment, site inspections, and a removal site evaluation to characterize contamination at the Le Roi smelter and identify residential and commercial properties in Northport for a removal action.
- UCR Preliminary Assessment: 2002 Report
- UCR Expanded Site Inspection: 2001 QAPP and 2003 Report
Northport, WA
LeRoi Smelter Property
EPA conducted a soil removal action on the Le Roi smelter property and 29 residential properties in Northport in 2004.
- EPA LeRoi Smelter site profile and pollution reports
Residential Properties
In 2019, EPA performed a removal site evaluation of properties in Northport that contained soil lead concentrations near or above 700 mg/kg during the 2003/2004 removal evaluations but where no removal action was taken previously. Cleanup actions at 15 residential properties and common use areas were completed by EPA in August and September 2020.
- EPA's Northport residential yards and common use areas clean-up, 2019 removal site evaluation, and 2020 time-critical removal action: site profile, site clean-up documents, site vicinity map.
In 2021, EPA conducted a removal site evaluation at 43 properties that had not been sampled previously in Northport. The criteria for a TCRA, lead concentrations in soil near or above the action level of 700 mg/kg, were met at 16 of the properties. These properties include residential properties and a common use area. Removal actions at these 16 properties were completed in 2022.
- 2021-2022 Removals Action Report
Bossburg, WA
Young America Mine
- EPA Superfund Site Young America Mine, removal only site, no site assessment work.
Other Area Response Actions