WSP09385

• File Number: 8555.200
• Description: State/Division 3 Water Court Cases - 3-90CW30 Rocky Mountain Bison Inc.
• State: CO
• Basin: Rio Grande
• Water Division: 3
• Date: 8/1/1989
• Author: Bishop Brogden Assoc
• Title: Zapata Ranch and Great Sand Dunes Country Club Water Supply And Augmentation Plan Report
• Water Supply Pro - Doc Type: Report/Study

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incorporated herein by this reference.) A supplemental SOurce
of water for the central water system will be provided by
drilling five or more wells inco the Unconfined Aquifer ~esc of
the eastern edge of the confinin~ clay layer which traverses the
development as shown on Exhibit "~ attached hereto and incor~
poraced herein by this reference, \ Water in excess of the
requirements of the residential units constructed on the 1671
lots served by the central water system will be transported
i through the distribution system for storage in a 35-40 acre f<<~
, reservoir ("Lake of the Falls") to be constructed in the SW.I;;
I SE~ of Sec. 31, T27S, R73W. 6th P,M. Said reservoir. which ~ill
) also store water from North Zapata Creek, will be used for
irrigation of the historically irrigated acreage on the Zapac6
Ranch)

A total of 179 lots in the southwestern portion of the develo?-
ment lying west of the eastern edge of the confining clay layer
will be served by individual on-lot domestic wells drilled inco
che Unconfined Aquifer. The 28.41 acre commercial area will be
served by one or more on-site shallow wells, or if insufficient
water is available from on-site wells, will be served eicher
by wells in the Unconfined Aquifer to be located within the
subdivision in the SE~ of Sec. 30, or the E\ of Sec. 31, T27S.
R73W, 6th P.M., or by the central water system.

6. The commercial area and 1375 of the 1850 platted residential
lots will utilize individual septic systems, with 101. consump-
tive use. The remaining 475 lots will utilize evapotranspira-
tion sewage systems, with loot consumptive use. Lawn .irrigation
will not be permitted. The resulting annual consumptive use
for the 1850 single-family residential equivalent units,
assuming three persons per unit, a daily water requirement of
100 gallons per person, and lOOt year-around occupancy, is
estimated to be 205.80 acre feet, The annual consumptive use
of the cotmlo!rcial" area at full development is estimated to be
3.84 acre feet. The annual consumptive use of the 170 acre golf
course is estimated to be 214.20 acre feet. Net evaporation
losses from the 6 acre surface area of the reservoir are es-
timated at 19.20 acre feet annually. The resulting total pro.
jeeted annual consumptive use of the development, assuming loot
year-around occupancy. is 443.04 acre feet.

7. Pursuant to the plan for augmentation filed herein, appli-
cant proposes to modify the water rights listed in paragraph 2
of these Findings so as to permit the change of place, type. and
time of use of said rights to furnish a year-around municipal
water supply to the proposed development as described herein. and
to permit the diversion of water pursuant to each of said rights
at the following alternate points of diversion:

a) The intake of Zapata Pipeline to be constructed at a
point on South Zapata Creek near the base of Zapata Falls
in the NW~ NW~ Sec. 16, T28S, R73W, of the 6th P.M.

b) Five or more wells to be drilled into the Unconfined
Aquifer west of the eastern edge of the confining clay layer.
The exact number and legal descriptions of the locations of.
such wells will be furnished to the Court when such infor.
mation has been determined.

c) 179 on-lot domestic wells to be drilled into the Uncon-
fined Aquifer west of the eastern edge of the confining
clay layer in the southwestern portion of the development.
Lep,at descriptions of the locations of such wells will be
furnished to the Court when such information has been
determined.
d) One or more wells to be drilled on the 28.41 acre
commercial area in the E\ of Sec. 29, T27S, R73W, 6th P.M.,

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