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Fairview/Interlachen Community Project |
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The Friends of Blue and Fairview Lake through the Environmental Protection Agency Technical Assistance Grant (TAG) program have contracted with Portland State University faculty and staff to provide an independent review of the groundwater contamination problem at the Boeing-Cascade site in East Multnomah County, OR.
Since the Interlachen community in the area of Blue and Fairview Lakes uses groundwater as a community water supply and the lakes as a recreation resource, there are concerns that the groundwater contamination could seriously affect the community by contaminating their water supply and surface water bodies (Fairview Lake, Blue Lake, Columbia Slough) in their vicinity.
In addition to the independent review of the contamination problem, the panel will assist the community in understanding the nature of the contamination problem. Issues of concern identified from this review (see Technical Report EWR-3-96) were recommended for incorporation in the Department of Environmental Quality's final Record of Decision concerning site remediation efforts. Portland State University is continuing their review process during the remediation period. This review will help assure that remediation strategies that protect groundwater and surface water for the Interlachen community will be pursued by the responsible parties.
Technical Reports
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Report |
Author |
Date |
1 |
Impact of Groundwater Contamination in East Multnomah County on the Interlachen Community | S. Wells |
1996 |
2 |
Review of the United States Environmental Protection Agency Superfund Technical Assistance Grant Program | R. Annear |
1997 |
3 |
Visualization of Geologic and Contaminant Data at the East Multnomah County Groundwater Contamination Site | T. Lowry |
1998 |
Interlachen Community Fact Sheets(All in one zip file, click title to download)
# |
Brief information sheets based on Technical Report EWR-3-96 |
1 |
Philosophy of the Panel Review: Panel Focus, Questions Examined, Products of Panel Review, The Panel and Background information |
2 |
Study Overview |
2a |
Site History: Boeing of Portland, Cascade Corporation |
3 |
Chemicals of Concern |
4 |
Map of Troutdale Sandstone Aquifer and Troutdale Gravel Aquifer Contaminant Plume |
5 |
Map of the Study Area: Interlachen Wells, the Contaminant Plume and Land Features |
6 |
Sample Hydrogeologic cross section in the Study Area |
7 |
Oregon Department of Environmental Quality's Proposed Clean Up Plan for the Troutdale Sandstone Aquifer |
7a |
Map Illustrating the Department of Environmental Quality's Proposed Clean Up Plan for the Troutdale Sandstone Aquifer |
8 |
Oregon Department of Environmental Quality's Proposed Clean Up Plan for the Cascade Corporation Site, Troutdale Gravel Aquifer |
8a |
Map Illustrating the Department of Environmental Quality's Proposed Clean Up Plan for the Cascade Corporation Site, Troutdale Gravel Aquifer |
9 |
Portland State University Advisory Panel Recommendations |
Panel Technical Reviews and Letters of Recommendation
Panel Technical Reviews and Letters of Recommendation |
Date |
| Panel Recommendations to the Oregon Department of Environmental Quality | October 28, 1996 |
| Panel Comments to the Environmental Protection Agency concerning the Proposed Corrective Measures for the Boeing Portland Facility | May 17, 1997 |
DEQ Project Bulletins
Bulletin |
Date |
| East Multnomah County Area Groundwater | August 1997 |
| Cascade Corporation Groundwater Contamination | August 1997 |
| East Multnomah County Area Groundwater | October 1997 |
| Cascade Corporation Groundwater Contamination | October 1997 |
| East Multnomah County Area Clean Up Bulletin | June 1998 |
| Cascade Corporation Clean Up Bulletin | June 1998 |
| East Multnomah County Clean Up Bulletin | April 1999 |
| DEQ Briefing to EPA on Cleanup | April 1999 |