C150242 Feasibility Study

• Contract/PO #: C150242
• Contractor Name: Seven Lakes Reservoir Company
• Contract Type: Loan
• Water District: 0
• County: Larimer
• County: Weld
• Loan Projects - Doc Type: Feasibility Study

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This new Lake Loveland north outlet control consisted of a thirty-foot wide
pneumatically operated hinged crest gate. The new gate structure was designed to
flow at 1,000 cfs and was automated to operate in three modes. The new outlet
control structure allows for automated flow control, automated lake level control or
manual flow or level control.

Now that SLRC has relocated the north Lake Loveland outlet control function away
from the existing railroad culvert, the Company's next objective is to remove and
replace the existing 1 OO-year old deteriorated culvert structure with a new railroad
bridge that is consistent with SLRC's obligation under the railroad agreement. The
construction of the new railroad bridge will also accomplish SLRC's objective to be
able to safely move 1,000 cfs from Lake Loveland to Horseshoe Reservoir and
would remove a serious bottleneck in the flow path of water from Lake Loveland to
Horseshoe Reservoir and ultimately to Boyd Lake.

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c. Study Area and Existing Facilities Description

The Seven Lakes Reservoir Company in conjunction with The Greeley &
Loveland Irrigation Company combine to form an operational system that
provides irrigation water to a 15,000-acre service area in Weld County and
Larimer County.

The system is supplied by two diversions located on the Big Thompson River.
The two "filler" ditches originating at the diversions are called the Big Barnes
Ditch (a 3-mile long canal) and the Greeley & Loveland Canal (a 4.5 mile long
canal). As shown on Figure 1-1, water flows from the Big Thompson through the
Big Barnes Ditch into Lake Loveland. From Lake Loveland water flows either
south to the Greeley & Loveland Canal and then to Boyd Lake or north through a
canal constructed in 1905 under the BNSF Railroad to Dry Creek and then to
Horseshoe Reservoir. The map in Figure 1-1 shows the various routes water
can flow through the system canals and reservoirs along its ultimate route to the
shareholder.

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