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Elsmere Canyon Final Draft Page i
May, 1984
EXECUTIVE SUMMARY

Landfill & Ecology Corps requested that Cooper Engineers conduct an assessment to
determine the preliminary feasibility of developing a sanitary landfill in the Elsmere
Canyon area located southeast of the Interstate 5, Interstate 210, and State
Route 14 Freeway Interchange Complex near Newhall, California (See Figure A).
The preliminary feasibility assessment was completed to the extent that a firm

decision can be made to commit to additional engineering, environmental, and
j implementation efforts needed to permit the site and start operations. The
I preliminary feasibility investigation focussed on evaluating major environmental

constraints, reviewing geotechnical, geological, and hydrogeological factors of the
I site, reviewing the need and availability of waste for the site, p~~paring preliminary
development alternatives, and conducting a preliminary economic assessment.

I Elsmere Canyon and its southerly tributaries provide good topography for a canyon

landfill. There is a divide, separating the site into a northern and southern section.
I The feasibility investigation focussed on development of the northern and central

areas first, primarily on properties owned by Barbara Letourneur and Chevron, USA.
i Three development options were investigated:

I o Alternative 1 - Full utilization of the central and part of the northern
section of the property (950 acres); capacity of 140 million tons; re-route

the LA Department of Water and Power power transmission lines
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(SHEET 1) •
• o Alternative 2 - Develop the same general area as Alternative 1 (950

• acres); capacity of 60 million tons; however, keep the power lines in their
current location and fill around them ( SHEET 2) •

• o Alternative 3 - Utilization of the Latourneur parcel only (160 acres); I /

capacity of 9,000,000 tons; keep power lines in their current locations
(SHEET 3).
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