CUP’s Diamond Fork System conveys water, diverted from
the Uinta Basin and stored in Strawberry Reservoir,
to the Wasatch Front. It delivers water to Utah Lake
for the Municipal and Industrial system water exchange
and for irrigation in the Spanish Fork area and for
the Strawberry Valley Project, which was constructed
in the early 1900's. The Diamond Fork System receives
water from Strawberry Reservoir through Syar Tunnel.
The Syar Tunnel replaced a smaller and much older
Strawberry Tunnel, which empties into Sixth Water
Creek farther upstream. A major feature of the Diamond
Fork System is to eliminate destructively high flows
of water discharged from Syar Tunnel into Sixth Water,
and subsequently Diamond Fork Creek, by conveying
most of the water through the newly constructed Diamond
Fork Pipeline and through the Upper
Diamond Fork Tunnel, which the Central Utah Water
Conservancy District completed in 2004. Ultimately,
water flows released into Diamond Fork will be managed
at levels allowing restoration of instream and riparian
habitat from the outlet of the old Strawberry Tunnel
down to the Spanish Fork River.
In addition to Diamond
Fork and Sixth Water aquatic and riparian habitat restoration, the
Commission is responsible for implementing mitigation commitments
identified in Diamond Fork System environmental decision documents
issued in 1999. A value-engineering review of those documents identified
several minor modifications that would reduce environmental impacts and
construction costs. The Commission, Central Utah Water Conservancy
District, and Department of the Interior prepared an environmental
assessment to evaluate the impacts of these modifications.
A decision was made in August 2000 to adopt the environmental
assessment’s proposed modifications. The Commission’s
environmental commitments include monitoring Ute-ladies’
tresses after completing Diamond Fork System construction.
[You
may click here to download the Diamond Fork and Sixth
Water Creeks Riparian Vegetation and Ute Ladies'-tresses
2006 Monitoring Report (pdf 4.6MB) Click
here to download the final 2007 Monitoring Report
(pdf 5MB)]. Environmental committments further consist
of supporting development and implementation of the
June Sucker Recovery Implementation
Program and monitoring stream channel responses to
altered flow regimes following completion of the revised
Diamond Fork water delivery system. In 2006, a draft
Geomorphic and Macroinvertebrate Monitoring Report
for Diamond Fork and Sixth Water Creeks was prepared
which documents the results of the first 2 years of
monitoring for the initial 3-year program. [Click
here to download the draft Report (pdf 8,308)]
[Click
here to download the appendices (pdf 7,234)]
|