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Site Report: Wood River Lodge

Site Name: Wood River Lodge
Address: Nerka Lake, Approx. 25 Miles North of, Dillingham, AK 99576
File Number: 2662.38.001
Hazard ID: 1563
Status: Cleanup Complete
Staff: No Longer Assigned, 9074655229 dec.icunit@alaska.gov
Latitude: 59.428611
Longitude: -158.845833
Horizontal Datum:NAD83

We make every effort to ensure the data presented here is accurate based on the best available information currently on file with DEC. It is therefore subject to change as new information becomes available. We recommend contacting the assigned project staff prior to making decisions based on this information.

Problems/Comments

A 1992 Environmental Assessment discovered diesel and gasoline contaminated soils at the Fuel Storage/Generator Area, the Boat House, and around the Main Lodge Area. Boat House contamination: gasoline range organics (GRO) at 137 parts per million (ppm) to 360 ppm, and diesel range organics (DRO) at 1,570 ppm to 4,200 ppm; 80 cubic yards of excavated soil. Main Lodge Area contamination: DRO at 2,170 ppm to 5,970 ppm; 3.5 cubic yards of excavated soil. Fuel Storage/Generator Area contamination: DRO at 894 ppm to 6,840 ppm; 70 cubic yards of excavated soil. Approximately 153.5 cubic yards of excavated soil stockpiled and treated by biodegradation. Groundwater contamination exists, and approximately 500 cubic yards of contaminated soil remains. Petroleum spills from above ground storage tanks over time caused these contaminations. The Agulowak River is the primary source of drinking water. The site is on the north shore of the Agulowak River and western end of River Bay about 60 miles north of Dillingham. It is identified as Lots 6, 7, and 8 of Wood River Lodge Subdivision, occupying collectively 18.99 acres. The site is used as a recreational fishing lodge consisting of a main lodge, several guest cabins, and water supply, sewage disposal, electrical generation, and solid waste disposal facilities. In addition, a boat house is operated by the lodge which includes a small storage shed and storage areas for boat motors and gasoline. Site slopes generally southward toward the Agulowak River. Average groundwater depth is 3 feet. Groundwater flow direction is assumed to be southward in the direction of the Agulowak river. There are no water wells. Drinking water source is the Agulowak River. At the Main Lodge, remaining contaminated soils are located beneath the building and above the water table. Three remediation areas: biopile (150 cubic yards soils), Fuel Storage, and Boat House. Site will need Institutional Control (IC) status upon closure.

Action Information

Action Date Action Description DEC Staff
10/15/1994 Site Characterization Report Approved (Old R:Base Action Code = SA2R - Phase II SA Review (CS)). Reviewed a phase 2 site assessment report. Ray Dronenburg
9/19/1995 Site Ranked Using the AHRM Site ranked. Bill Wright
9/29/1995 Site Added to Database Site added to database. Bill Wright
11/1/1995 Long Term Monitoring Established In-situ remediation underway. Yearly monitoring reports to be submitted. Ray Dronenburg
6/25/1997 Update or Other Action Reviewed a "Wood River Lodge - 1996 Summary Activities/1997 Plan." requested a revised work plan incorporating comments to evaluate the effectiveness of the monitoring program. Five discrete soil samples (includes one field duplicate) should be collected from the biocell. Sample locations should be at the locations of the highest field screening. Samples should be analyzed for GRO, BTEX and DRO. Contaminated soils left in place during 1993-excavation and which have been undergoing remediation by the bioventing operations should be sampled, in sufficient number and location, to define the current level of contamination. Discontinuation of sampling/analysis for well MW-3 will be decided after a review of 1997 and all prior years' data. Shah Alam
7/30/1997 Cleanup Plan Approved (Old R:Base Action Code = RAPA - Remedial Action Plan Approval). ADEC approved a revised workplan dated 8/1/97, for soil and groundwater sampling. Shah Alam
8/4/1997 Update or Other Action During review of a revised workplan dated August 1, 1997, approval was given for soil and groundwater sampling to monitor remediation of contaminated soils and groundwater. Samples will be collected during the week of August 4, 1997. Shah Alam
8/18/1999 Update or Other Action Staff commented on soil and groundwater monitoring data for 1998. The data indicate contaminant concentrations exceed the established cleanup levels (Method One, Level B) at this site. As a result, staff requested to continue the monitoring program until the cleanup levels are achieved. Shah Alam
12/14/1999 Update or Other Action Staff requested in a letter to provide site monitoring data. The letter also mentioned cost-recovery associated with project management. Shah Alam
1/13/2000 Update or Other Action Alaska Department of Law received, on behalf of ADEC a check for the amount $1565.31 from David J. Lewis (cost recovery). Shah Alam
5/12/2006 Update or Other Action Site transferred from Frechione to Horwath. Aggie Blandford
6/12/2006 GIS Position Updated Using Figure 1 from a Spill Control and Countermeasure Plan, Wood River Lodge, from Cogentrix Energy, Inc., dated January 1996, in conjunction with TopoZone Pro, entered the coordinates for this site. Metadata includes USGS Topo Map 1:63K, on a Medium Size Map, View Scale 1:50000, Coordinate Datum WGS84. Moderate to High degree of confidence in accuracy of location. Alyce Hughey
6/14/2006 Update or Other Action Project manager changed from Paul Horwath to Don Fritz, per Paul Horwath. Alyce Hughey
6/16/2006 Update or Other Action Reviewed file to determine site status. Concerns include the use of monitor wells 1 through 4 to depict in-situ soil contamination levels, even though some of the monitor wells are in excess of 90 feet from contaminated areas and all wells may not be down gradient of the source areas. Made a phone call to C. Richard Neff (Cogentrix) to determine site status and how Cogentrix is involved, as the most recent file correspondence (1999) is to/from him. Left a phone message. Don Fritz
6/26/2006 Update or Other Action A letter was sent to the RP advising of new project manager, and requesting an update on activities that have occurred since 1999 or a work plan to address outstanding issues. Don Fritz
5/12/2008 Exposure Tracking Model Ranking Initial ranking with ETM completed. Don Fritz
11/16/2011 Update or Other Action Site transferred from Don Fritz to Peter Campbell per Paul Horwath. Alyce Hughey
2/20/2014 Document, Report, or Work plan Review - other Received and reviewed a December 28, 2000 report for the Wood River Lodge covering environmental work for PERP that was conducted during the summer of 2000. The report was submitted after a conversation with GCI management (the land owner) and a conversation with GCI’s consultant. We have requested that GCI prepare a work plan to further assess the site and manage remaining environmental liabilities (stockpiles and wells). Peter Campbell
5/30/2014 Document, Report, or Work plan Review - other Bio-Pile Sampling Work Plan Review and monitoring well sampling. Approved work plan for characterization sampling. Peter Campbell
7/23/2014 Site Characterization Report Approved Reviewed the Wood River Lodge Site Characterization/Biopile Closure Report, dated July 2014, prepared by Restoration Science & Engineering, LLC. On June 10, 2014 through June 12, 2014 sixteen field screening samples were collected at depths of 0.5 to 2 feet bgs from within the biopile. Three samples and one blind duplicate soil sample was collected at depths of 1 and 2 feet bgs from the biopile and sent for analytical testing. Analytical testing detected DRO at 71.2 to 221 mg/kg, and RRO at 453 to 1,240 mg/kg, with BTEX not being detected. When the biopile was observed during the site visit, it was assumed that the top two feet of the biopile had been removed based on the liner and perforated pipe observations. Restoration Science and Engineering was unable to verify if the soil was removed, but observations indicated the average depth of the biopile was approximately 20 inches, and total volume to be approximately 90 cubic yards. It is thought that the soils were likely placed in the location of a septic leach field that was abandoned. An attempt was made to locate the groundwater monitoring wells (MW-1 through MW-4) to collect groundwater samples, but was unable to locate any of the wells. Since the groundwater monitoring wells could not be located, hyporheic probe pore water samples were collected from along the Agulowak River edge approximately 20 to 30 feet down-gradient from each of the former monitoring well locations and approximately one foot below the river bottom. Four water samples and one blind duplicate water sample was collected and analyzed for TAH and TAqH. The water samples collected and analyzed met the surface water quality standards with TAH at 1.35 ug/L and TAqH at 1.5625 ug/L. Alyce Hughey
11/13/2014 Institutional Control Record Established Institutional Controls established and entered into the database. Peter Campbell
11/13/2014 Cleanup Complete Determination Issued Peter Campbell
12/5/2014 Institutional Control Record Removed Institutional Controls have been removed. Peter Campbell

Contaminant Information

Name Level Description Media Comments
DRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
GRO Between Method 2 Migration to Groundwater and Human Health/Ingestion/Inhalation Soil
BTEX < Table C Groundwater

Control Type

Type Details
No ICs Required

Requirements

Description Details
Advance approval required to transport soil or groundwater off-site.
Movement or use of contaminated material (including on site) in a manner that results in a violation of the water quality standards is prohibited (18 AAC 70)

No associated sites were found.

Missing Location Data

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State of Alaska Department of Environmental Conservation

P.O. Box 111800
Juneau, AK 99811-1800
Phone: 907-465-5066
Fax: 907-465-5245
TDD: 800-770-8973
Physical Location: 410 Willoughby