WSP10863

• File Number: 8210.470
• Description: Pacific Southwest Interagency Committee
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 9/14/1983
• Author: PSIAC
• Title: Minutes of the 83-1 Meeting - September 14-15 1983
• Water Supply Pro - Doc Type: Report/Study

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003286

SEP 1 6 1983

Minutes of the Water and Vegetation
Management Subcommitte
Pacific Southwest Inter-Agency Committee

The Water and Vegetation Management Subcommittee convened at the Salt Lake
City Hilton Hotel, on September 14, 1983, under the chairmanship of Robert
L. Erwin. The following persons were present at the subcommittee meeting.

(Note: Barry, please add the names as you have' the attendance sheet)

The subcommittee meeting was an information sharing session. The members
hear~ two excel1ent presentations.

1. Bob Roumph, U. S. Army Corps of Engineers, Omaha District,
Planning Division, prOVided an update on the Metropolitan Denver Water
Supply Systemwide Environmental Impact Statement, that the Corps has
undertaken for the City of Denver, A Federal Court order requires an
evaluation of the cumulative impacts of Denver's water supply associated
with the cities existing and future development. Denver is providing the
Corps with funds on a quarterly basis to finance the project.

The EIS will deal with overall cumulative impacts, including issues on
endangered species, salinity, water diversions and water needs. The Corps
will invite the public to participate in the formulation of alternative
plans. They have also setup a coordinating group of interested agencies
to facilitate the exchange of project information. The Corps plans to
prepare a Draft EIS, a Supplemental Draft and a Final EIS by August 1984.
The Final EIS will be programmatic document limited to 300 pages.
Specific EIS's will still be required for any proposed water projects.

2. Tim Burton, USDA Forest Service, Hydrologist from the AShley
,National Forest in Vernal, Utah, presented a paper on the Effects of
Timber Harvest on the Streamflow of a Five Thousand Acre Basin in Uinta
Mountains. Utah.

The Forest Service is conducting a paired watershed evaluation study of
streamflow changes resulting frem clearcut harvesting within a 5300 acre
drainage basin on the Ashley National Forest.

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Results of the study help to verify for large watersheds the conclusions
of past research on small basins, and to demonstrate that water yield
increases from timber harvest can be detected downstream.

The subcommittee meeting was adjourned at 10:00 a.m.

0?~d~

ROBERT L. ERWIN
Chairman, Water and Vegetation
Management Subcommittee

C-25

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