C150379 Feasibility Study

• Contract/PO #: C150379
• Contractor Name: Wadley Farms Filing No. 3 Homeowner's Association
• Contract Type: Loan
• Water District: 7
• County: Adams
• Loan Projects - Doc Type: Feasibility Study

Table 5: Diversions into Wadley Reservoirs from Signal Ditch
Year
Actual
WF3
Delivery
Amount
(af)
Yield from
WF3 FHL
Owned &
Leased
Shares
WF3
Deliveries in
Excess of
FHL Share
Contribution
WF3 Reservoir
Rights
Entitlement from
FHL Nov, Mar &
Apr Diversions*
Difference
between Actual
Reservoir Rights
Yield and
Entitlement
2003
249.0
63.3
185.7
214.4
-28.7
2004
309.0
56.8
252.2
70.3
181.9
2005
168.0
63.5
104.5
76.1
28.4
2006
321.0
76.1
244.9
53.1
191.8
2007
198.8
70.5
128.2
102.6
25.6
2008
124.0
80.0
44.0
109.1
-65.1
2009
156.0
61.8
94.2
119.6
-25.4
2010
101.0
65.6
35.4
56.2
-20.8
2011
305.0
92.0
213.0
57.5
155.5
Avg.
214.6
70.0
144.6
95.4
49.2
*(FHL diversions during the months of December to February were not included because Signal Ditch does
not typically run during these months.)
The actual Wadley Reservoirs storage deliveries differ somewhat from the amount
calculated as the entitlement to the reservoir rights based on FHL headgate diversion
records. The difference might be explained by larger or smaller amounts actually
diverted for storage purposes rather than direct irrigation deliveries at the FHL headgate,
the Signal Ditch operating during some days in December to February for storage water
deliveries, greater or lesser ditch conveyance losses than the assumed 35 %, or inflows
into either the FHL Canal or the Signal Ditch below the headgate on Clear Creek that are
available for delivery into the Wadley Reservoirs.
This analysis demonstrates that the HOA has been able to rely on deliveries under the
Wadley Reservoir water rights in the past that may be in excess of what it might receive
in the future under a stricter pro -rata apportioning of the FHL reservoir diversions for the
Dunklee decree reservoirs. It is also possible that FHL Company might alter its historic
practice of attempting to fill the reservoirs fed by the FHL during the non - irrigation
season or that ditch losses might increase as more FHL shares are delivered upstream of
the Signal Ditch. The extra deliveries under the reservoir rights have contributed to the
HOA's ability to carryover water from years with more ample deliveries to years with
lower yields. Use of carryover storage as a means of lessening the impact of delivery
shortages in drier years will continue to be important for minimizing impacts on Wadley
Farms No. 3 homeowners. However, it can't offset the impacts of on -going delivery
shortages in a series of average to dry years after carryover supplies are exhausted.
Water Demand
The HOA board of directors establishes a water budget for irrigation of properties in
Wadley Farms No. 3 each year based on the expected water supply. In 2003, the HOA
Wadley Farms No. 3 Water Supply CWCB Loan Feasibility Study Page 17