2010-10-29_HYDROLOGY - M1977522

• Permit No: M1977522
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/29/2010
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: ECS
• Media Type: D
• Archive: No

Page 3
Mr. Jared Dains, E.I.
October 22, 2010
used for drinking and sanitary purposes. The water used for drinking and sanitary purposes is to
hreato h e credit has been
be withdrawn from well permit 2monthly depletions dueNo operational sses are shown
applied to this SWSP. The estimated
on the attached Table 2. age down
-grad
extent As in the in previous SWSP, it was determined
from the CacherLa Poudre R veienThe efo?e, a
the exposed groundwater is approximately 250 fee lagged depletions to the Cache La
2 ( depletion
stream depletion model was used to determine the timing of Poudre River. The following parameters were used i he stream
is typ d lfor an alluvial which l (T) = 120,000 gallons per day per foot, specific yield ( ) 0 location aquifer), the distance of the exposed ground waters 4 he river feet 250 f et,
and the
Based on t e e
was estimated to b
m of this SWSP were estimated to be
parallel impermeable boundary above factors, the lagged stream depletions the ter,300 from stream.
98.11 acre-feet as shown on the attached Table
Replacements
The sources of replacement water to be Pused for this SWSP are 1) fully ower Authority, and 2) augmentation water
replacement water leased from the Platte Rive
leased from the Graham Drainage Ditch Company. 16. During the period of November 2010 through POWer AuOthorityl("PRPA°) w? bacre e usedtto
use
fully consumable water provided by the Platte River the make replacements during the non-irrigation August season. RP has an "Agreement 101978, wth the City of Fort Coll nrs ("Fort
of Water for Energy Generation", dated Augu ' „WSSC") that provides PRPA with the right
Collins") and Water Supply and Storage Company
to receive reusable water delivered by Fort Collins.
pe
rig PA, Fort waters, Dvision Water Court reuse of in obtained approval of a plan for augmentation acre- Case no. W-9332-78. In case no. W-9332-78, the
urp more per
in
to be used pr mar?y0for cooling?p or
year, will be available from Fort Collins to the
Facili Pursuant to the decree in case no. W-9332-78, if
users
connection with its Rawhide Energy tY• PA,
Fort
PRPA does not require the water for its owa purpose, rig augmenntation In additionrn PRP d
urPose "North Poudre) date
may utilize the water for any other benefic purposes
has entered into an Agreement it PRthe PAIto right to store surplus water (which is surplus
such water
beyond November the 15, 1 needs 979 of the which grants Rawhide Energy Facility) in Fossil Creek Reservoir and lease ervoir
live water to others who can use such water from Fossil eeck Re ss onehro ehi three edeby th As
o
required by the Agreement, North Poudre and the water r we
PRPA lease with Star Ready Mix, Inc. In addition, according to the Agreement, releases
October, November, February other
leased water to others shall be made in the months of September,
than the
or March. Since the existing lease will also dre make
ag reed to lease t e water for December
releases
months listed above, PRPA and North Po ake
the
during thos 2010 and January 2011 and the water commissioner
ek Reservtoir to the Cache La Poudre Rivers
months. The releases will be made from Fossil Creek it Pit. approximately 24.6 miles upstream of the estimated point
in ththe e Feit acre feet 5 included 16.
it losses etions from
percent (0.25 percent per mile for 24.6 miles) aver trans of the lease is
amount. The subject lease was signed on September 7, 2010 and a copy
attached to this letter.
The Applicant has also obtained a lease from the Graham Drainage Ditch Company for