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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Fargher Lake Grocery Groundwater Monitoring Results, April and July 2019: Data Summary Report |
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Fargher Lake Grocery Groundwater Monitoring Results, April and July 2019: Data Summary Report (Number of pages: 119) (Publication Size: 15704KB)
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| Author(s) | Carnes, J. | ||||
| Description | Fargher Lake Grocery is a gasoline station and convenience store near Yacolt, Washington, in the foothills of the Cascade Mountains. In 1987, the domestic water supply well for the store was found to be contaminated with petroleum products. Site investigations indicated that the source of the contamination was one or more leaking underground storage tanks. Between 1989 and 1993, Ecology removed six tanks and excavated nearly 600 tons of gasoline-contaminated soil. Groundwater samples collected in 1992 and 1993 documented petroleum contamination of groundwater in excess of the MTCA Method A cleanup levels. The total extent of the contaminant plume or the direction of groundwater flow was not characterized during the work conducted in the late 1980s and early 1990s. Activity at the site has been limited since the mid-1990s. In 2019, Ecology sampled two wells at Fargher Lake Grocery. Sample results from a monitoring well located in the backfilled excavated area indicate that benzene is still present in excess of the MTCA Method A cleanup levels. A sample from a domestic well completed around a depth of 300 feet did not have detectable levels of BTEX compounds, petroleum hydrocarbons, or lead. |
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Jacob Carnes at 360-407-6764 or jacob.carnes@ecy.wa.gov | ||||
| Keywords | BTEX, groundwater toxics, groundwater monitoring, petroleum hydrocarbons, lead | ||||
| WEB PAGE | Groundwater Assessment | ||||
| DATA | Environmental Information Management (EIM) #FS1045 |
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| RELATED PUBLICATIONS | Title:
Quality Assurance Project Plan: Shell Mart McKenzie Automotive and Fargher Lake Grocery Groundwater Assessment Monitoring |
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