ARTMENT OF AGRICULTURE SION SERVICE
RATIVE EXTENSION WORK INGTON, D. C.
[AL BUSINESS
PENALTY FOR PRIVATE VU TO AVOIO PATIIIIRT OF POOTAOS, .300
CANTON GOODRICH
4D 40
HIGHLAND RES. NOS. HIGHLANL RES NO I HIGHLANG LAKE HIGHLAND RES NO2
"s• STAPPS LAKE BE AvER PARK RES 4LFLEA_021.ELWCH /ONG ONT PIPE NE
I FITIF DITCH
tuN":17:PERY;°
MACARTRY RES.
WELcSON NARROWS 0 PLATTE A. JACKPOT RES ()COOPER HILLROSE c) CANAL
DIAGRAM OF THE SOUTH PLATTE RIVER SHOWING CANALS AND RESERVOIRS IN
WATER DISTRICT NO. I
NORTH STEPRIWG II LOGAN
WATER DGERTEL , CO. DIST I .0 JSEC iN
DIST 64, • BALZAC <cs' PREWITT RES MATER DIVERTED IN DIST I ANO USED in DIST 641
DIAGRAM OF ST. VRAIN CREEK SHOWING CANALS AND RESERVOIRS . WATER DISTRICT
>-1>" 0
CP WATTENEERG S
FORT LUPTON° @IONE
MILTON RES
UNION RES MATER DIVERTED IN DIST 5 AND USED IN
DIST 2
@PLATTEVILLE
GREAT SEND LAKE
DIAGRAM OF SOUTH PLATTE RIVER IN DISTRICT NO. 2 SHOWING CANALS AND RESERVOIRS
DIAGRAM OF SOUTH PLATTE RIVER IN WATER DISTRICT NO. 64 SHOWING CANALS AND RESERVOIRS.
Memorandum Concerniwz the Meonomic Features of the Colorado-Big Thompson Project
Bureau of Agricultural Engineering Colorado Agricultural Experiment Station
3eptember 1, 1936
The primary purpose of this project is to provide a supplementl water supply for irrigation and incidentnlly to furnish power as a necessary adjunct to the project. By a system of reservoirs on the Colorado River, near Grand Lake, the water supply will be stored and by proper rezulation this supply will be (Averted from (A•and lake through a tunnel approximately 13 1/2 miles long, outletlng in the Big Thompson river drainage in the vnity of
'Tates Park. A suitable hydro-electric power plant will be oDerated near this place. A transmission 111A), some 35 miles long, will carry a part of the generated power back across eInnental Divide to be used in pumping from the qranby eservoir, the main storage, up to the
highcr levA. of the enlarged %•and Lake. At a point some 22 :Ales down stream frord Tstes Park this supp]Al wnter supply, in the Thopson River, will be iverted throu. h two inlet canals, ono ledin sout1; to the Carter Reaervoir which ho.ve a capacity of 110,000 acre-feet
and the othr north to Norsetooth iieservoir having a capacity of 96,000 acrc-feet. These two reservoirs are at commanding elevti-ns di so loc:ted thnt the stored weter may be diverted, as required, to supplement the irrigation -,(leds of sone 615,000 acre in the roudre, Big Thompson, Little Thompson, 3t. Vrain and Lower South :Platte vnlleys in northern ColortAo.
The arca to be served by td.1 syplorric. 1 water
supply constitutes the choice agriciurcA_ lands of this
This urea area is adequstely served by two main line railroads, namely: The Union Pacific and Burlington-Colorado Southern systems. There are about 200 miles of oiled surfaced highways together with several thousand miles of e,raveled roads. Bus and truck service is
avail lo to all princip!,1 centers in this lk-irge district. Manufacturing is a large factor in this area. There are 13 large beet sugar factories, one cement and one plaster works, oil fields in the viciniy of Wellington, Fort Collins and in the lower South Platte Valley near Orchard. Canning and condensed milk factories are
operated in this area. The carmine factories at Longmont,
Loveland and Greeley, consume any :Afferent vegetable crops. Flour mills and elevators may be found in nearly ev ry town an village. Julesburg, Fort Morgan, Fort Collins, Loveland and Longmont have their own mdnicipal power an light plants. The feeding of live stock, both sheep and cattle, cobstitutes one of the major business activities of this section in northern Colorado.
This Colorado-Big Thompson Project differs materially from other irriation developments in that the district
to be served is highly developed from the stcndpoint of fta":4s already established; the irrigation distribution eyseisrAequt,te end suffici nt with some storte ct_pticity available in existing reservoirs; cities, towill mid villges with good schools smi churches; three of the ./sincipcil
.4..
immediately adjacent, namely, State University at Boulder, State Colloe at Fort Collins and the State College of Education at Greeley; highways, railroads, telephone and
rover lines servinr all communities; fectories of various kinds scAttered throughout this area, all in co-bination constitutes a highly developed section of V-3.is state. The one need most outstandlw is thrit of a greater and more dependable water supply.
Water Supply in the South Platte River Drainage.
The wnter supply for both domestic and irrition purposes is largely run-off from the mountvin areas due to the snow storage at the hiah elevations. Irrition supply from flood flow due to heavy summer rains is a small part of the total rater available for use. TUe
trnsmountain A.veroion thrcAlpt the norfat water tunnel by the City of Denver will ultimately add about 40,000 acre-feet of new !titer to the Platte River at Denver. The Jones Pass development will contribute about 25,000 acre-feet to this basin.. The Blue River diversion project Is no: 1)eing investigated.
Fro an irrigation standpoint the water problem is co,Tlicted because of the many priorities along the mein river !.nd the tributaries where diversions are made
-5.
in natural channels or strenns in various quantities and ownerships; the exchange or trade of ater boteen various companies and organizations together 1th return flow as a part of the supply constitutes a rather complex set-up. However, years of experience indientes that the administration of this supply is acconplished efficiently and with a marked degree of satisf;%ction. The addition of 300,000 or more acre-feet within this area will not
one further mAplication.
Siee about 1928 much attor.tion has been Fiven to the
mttr of provijing a supplomeutal irrigation supply by
means of pumping from wells. Tble II shows the number
of Juaups in operation 1935 and becse of the
coritinuQd drought thit; number is now *xceeed. The amount
of water pumped for irrigction at this time approximates
a
flow of about 1,000 second-feet as a maximum. From the standpoint of a supplemental supply pumping occurs mostly during July and August with one run for suer beets early in September.
Soils and props,.
The soils found throuOlout this irrii7nted area are . fertile and productive. there water is adequate for
irrigtAtion, the crop yeild is good. These lcnds have been cultiw,ted, for the lost part, for the pest 60 years rind no evidence is at hand as to any marked depletion of
fertility, however, phosphate fertilizers are applied to soae extent principally to slicer beet lends, It is a common practice, however, to use barn yard manure to
maintain the soils and beceuse of the extensive livestock feeding the manure is aveileble as fertilizer. The
growing of legumes, such as alfalfa, pees, sweet clover, beers and peas all add nitrogen to the soil. Potash and phosphoric cold appears eenerelle in sufficient amounts to provide for ell crops groer in tA.s region. Generally, the soil is a fine sandy loam with a rolling topography which promotes adequate drainege. It is estimated that there is less than one percent of this irrigeted area thet was once cultiveted and noe abandoned because of
seepage. Some lande have becoee water logged and reclaimed by drain*ge which has been readily accomplished. All
lands contain more or less alkali but not in sufficieet amounts to detracl:, from the normal fertility of the soil.
The main crops groNe, through(ut this region are elfelfa, sueeir beets, groin, potetoes, corn, beans, vegetables of various kinds, and ir certain favorable localities fruit is raised, auch as: apples, cherries and berrie::. Proper rotation of cro s groen depends largely upon weter supply. Under ditches end canels where the supply is more or less adequate it will be found that alfalfa, sugar beets and pot toes predominates; whereas where the supply is limited such crops as grai4, corn and beans will be grown. It
-7-Is made available, as a su-pnlemental supply, there will be a tenjency to pro:iuce more of the hi -her valued crons such as alfcllft, sugar beets, potatoes, corn and vegetables.
Water Requirements
The following shows the average head gate duty for various diversions in the water districts, to wit:
District Average Bead Gate Duty
Atre-Feet 1 4.99 2 4.03 3 1,73 4 2.05 5 1.06 64 2.68
The use of water over this 615,000 a3res varies as to locality. It will be noted from the summary table,
accompanying this - enorandum, that the gross heajgate duty varies betveen rother Il.de limits. in districts 1 and 2 this duty ,ppears to be quite high End is chiefly due to the nature of the soil, which is quite sandy and porous. Canal and reservoir losses are moderately hiFh in 'thee two districts. For districts 3,4 and 5 this duty
is less largely because of the ore favorable soil
conditions in these areas. District 64 the loer pert
heavier 8011 soil th6n that found in districts 1 ankl 2. This
sum table shows that in District 5 a greater creare
of grain, in percent, is raised wh1ch requires a lesser amount of water in maturing the crop.
The consumptive uty for this whole area will approximate about 1.25 acre-feet per acre.
Value of -mater Suprly
The value of an irrigation water supply is dependent upon its use, this largely upon the nature of the crops produced. Markets, soils, locality and other factors bear upon the question. Generally for the area to be served by this supplemer:tal water supply it may be said tht these land6 ithout water would *1):! viorth not to exceed $15 per acre. Farms having Pn adequate and .).e7endl,t3e, water supply will at this time be priced from $100 to 150 per acre or about $125 per acre as an averni!,e fit.Ture. Or this basis the water would be worth 4110 per acre or for the entiri area served a value of 0,770,000.
The purchase price of water from local reservoirs varies In different communities. In the South Platte Valley this figure is roughly 42.00 per acre-foot while for the Poudre Valley, Fort Collins and Greeley area, the cost per acre-foot v&ries between 42.50 to 48.50. During August 1938, water
was in this valley for -pproximptely $9.75 per acre-foot.
These vraues based or volume in storage and the tuyer stands
the losses in transfer. Sales of wet r as here mentioned, are not of lraige proportions, rather limited, and here cited
to merely indicate the price range as has prevailed over past year.
vale of irrigation rors, such as diversion dams,
headgntes, crauils, intertA.0, etc., as been taken 66
$25.00 per acre for the area served and for storrze reservoirs $17.50 line $25.00 per acre-foot of storage.
The annual cost of witer to the furmer is %ot a fixed amount and varies f um year to year. For mutual cntei.prises the arnual kssessment per acre depens lareely upon
physicA_ fLcors, :Inch as repairs to system in cleaning
operations, dge floods, •replcicing etractures and
proviiri for in(_ebtedness. This cost Nay range from a fet cerAs to 03.50 to 0.00 per acre. For the prinGilial
canhls in the roure Valley the cost of an CO acre ri-ht
or share approximtes t4,000. Interest on this investment, together with labor in applinc the rater, maintenance and
ecuipmeLt of the irrigation system on the farm till as
a total
The Allocation of Sup751ementa1 'Later 3up1,7 to Water Districts 1,2,304,5, and 54.
The proper and equitable allocation of this new water
su. 1',-. to the verius water districts within the arna to
be serve s is a !nfItter of indefinite limitations at this
time. For the present the basis of Jividion beinc7 the ratio of ares of irrigted land to he served -A.thin each of the districts. The followind tabulation is based on this assumption. Dist. kores Irrigated 1-2- 251582 54 3 213640 .1.11•11111.1111001111111111•1111111..1•...1111.... 4 68408 5 81606 615,436 terelIt itrea Perceitt Distributed in Acre-Feet District Area
40.D 110300 LowcJr South rlette
Valley
34.7 93000 Poudre Valley
11.1 30000 Big and Little
Thw.ipson 13.3 35900 IMO St. Vrftin 100.0 270,000* *90% of Min. Tunnel Diversion.
It is obv ious that two other factor should be considered in the allocation, namely, duty in each res active district
-11-expected that the return flow accrqiiF, from this added new supply will be arTrox1te3y 30 percent of the total
arlonr ej Aater applied. Assuming a minimum delivery
for canal diversion of 270,000 acre-feet annually, the ultimate return would be 81,000 acre-feet available for re-use, principally in destricts 1,2 find 64. The better use of this supplemental supply- will be had where a
balance Ail) be maintained by such a- plictition on ltJius along the tributaries as will provide maximum use there and the fula effect of return flow together with whet extra supp y as will be needed to proportiorlally provide for districts 1,2 cnd 64. The following would approximate a more equitable allotraent Alen considering the assumed return flo-v; of 81,000 ncre-feet after the 5th year of °partition.
Dlst. Aowir----77=757—
Irrigntnd
7.aninum Acrc-FectLifoc2.6ion
Average P.cre Feet.0158E
3.1.00oo
14017-00
64 81000 (1) 103650 (1) 3 215640 4 68408 5 81806 615436 • 94000 120300 64000 43500 32000 41000 351000 449150(1) Return flow eotirlated to be 30% of NO ;,-.-1.11i,Ta.;. and
-12-Water Suply AvailAble to the Granby Reservoir.
From th record of strep,, flov as reperteJ by the U. S. Geological 3urvey and State Engineer of Colorado,
19M to 1936, it is determined thtit for this perioci he
mean down
annu,1 flo- of the Ooloro River, at a point lust
streerN from the &Im sit°, is 280,000 acre-feet. It is estimated that through an inlet canal *bout 6 miles in length, from Willow Creek, an fzdditional 50,000 acre-feet annually can be made available and from the Fraser
Reservotr there can be ii.v. rted itito Granby Reservoir thruu.h a canta of soNe 18 miles in lerwth a further ad:litior-1 50,000 acre-feet annunlay,
Available Supply Colorado River
Willow Creek (estimated) Frsser Reservoir (estilwt,ed)
Rermirements as per
Grand River Ditch, nevi develor)rtent Irrigation requiremeits below Qranby Reservoir
Loss i storage estimated at
Avaruge annual supply availuble for transmountsin aiv(srsion 280,000 acre-feet 50,000 acre-feet 50,000 acre-feet og 0 acre-feet 14,000 acre-feet 10,000 acre-feet 16 300 acre-feet ac -feet 339,700 acre-feet
ea3e%
Economic Features of
922
=
ReservoirIt is rocommee. ded that Grenby Reservoir be developed
to maximun capacity in the orieinal censtruction.
The followinc table, based on a reservoir cepecity of
340,000 acre-feet, shows for the period 1906 to 1935,
inclusive, that it has been possile to divert rot less
than 300,000 acre-feet aerually for this period of 30 years;
that for 1907 the maximum of 459,000 acre-feet was possible
by assumine a tunnel capacity of 750 second-feet; Lied that
the mean annual Aversion as approximetely 345,500
acre-feet. As an approximation to the operation of the Grenby
Resereeir there follows a summery table besed on the evernee yearly eiverelo.:. of 345,5e0 core-feet. On this assumption about 64 percent of the total tunnel iversion wouJel be pump:)d from this reservoir into ftrend Lake regYdring 27 percent of the tote). power output from the plant at
Estee Perk,
In this cotnection it is to be pointed out that careful coesicrieratien shoul be givent to the matter of capecity of
the ellen tunnel. A discharge cepacity of 550 secoLd-feet
is lelioved to Ile ieadequate and becnese of the lone period or efr. -7e1, possible increase in rater Fupply it is believed essentiel that this tunnel be so constructed that the
meximum capacity will be not leas then 750 second-feet, For the smeller tunnel capacity the previous table appears to indioete thet 9 out of the 30 years the tunnel could not
carry the ,,ater hen operated at full capp.city for 365 days. It woulj appear that a nore sntioft1Qtory operation could be secured and little or no vastu frcAll Granby Pe3ormoir be mode possible if the capacity of Vile main tunnel be 750 secol:d-fcet or more. It is believed
inadvisble to deliver 1..to ie Big Thompson, uring the
month of June, a flow of 14ore thm 30 seccwd-feet, because
the stream at thLt tire bill ve:y likely be at flood stege, The Blue "'Aver Feseivoir, a compensatinc storage, Ahich constitutes qn important factor in the operation of the tunnel diversion, enters only as a poer feature. Only in extreme low-rmter supply to the Granby Reservoir would this compensntin resarvir be required as a means of off-setting the firm power requirmo'ts at the Estes Park plant by.
supplying water in sufficient amount to the Public Service plant at Odenwood Springs, Details relative to this
possible egurIlizett7m arC resultant profit has not yet been developed.
Flexibility of Sate from an Irrigf.tion 3tandi)oint.
The pr,?sent proposed scheme of this project has DIEny
desirable features. The two main storage reservuirs on the
east slope, Cart,Ir and Horsetoeth, constitutes a uobined
capacity of 205,000 acre-feet. It is estinated that there is ii addition to this bbout 75,000 o 100,000 acre-feet of
-25-the ares to be server by this supplcmentel supply. A brief stuey has been mnd.c az to water supply on the east
and west slope of the Continental Divide it appears
that he&v7 run-off can be expected to occur the same year on each slope, that is, when the supply is abundant end avathbl to the Granby Reservoir the ruri-off o the east slc,pe is also good. T':owevor, it may so hapen that the reverse mey be true .4hereby the Colorado fliver drainage
will proviee a 7ood run-off and or the east slope the wster supply may 1),?. considerably below normal. T'7ese
oonliitions will at times not be conducive to efficiet lse of store in private reservoirs. Such possibilit*es of
lar2.„e vu -off on the west slope and meager supplies tot he
east cessitEtes maxlmu0 storae in Granby Reservoir as
well as adequate tunriel capacity.
The tunnel supply concentrated in the Dicl Thopson River makes ?ossible the diversion to either Carter or Horsetooth simultaneously, or individually or the water may be
transferred on down the river direct to the lower South Platte valley. At this time it is contemplated tht the store in Hersetocyh Reservoir will be used elnost
exclusively in the i)oudre Valley, howev-r, it will be
poss1lo to transfer this storage also to the lower Platte. Prom Carter Reservoir the supply Aty be returned to the Big Thorlpson to nuTrent the tunol water in such amounts as to fulfill all requiremilnts, also the stored ater maybe diverted to the south to supply. the Little Thompson and St.
-16—
Vrnin in amounts sufficient to meet demands. These two commtinj,lic storage re'oervoir constructed with adequate outlew, toether with a constailt tunnel supply make
poliblo the delivery of water on dermno in any practical amount desired.
Operation of Carter nnd Horsetooth Reservoirs. The filling of these reservoirs dill be made llring the months October to May, inclusive, with a possible short period in early Jul;.e. Because of exposure it may be find de6irable to divert i'.to Carter up to about January 186 and
ther ivert iato Horsetooll .during the late winter nnd early
sprin months with LAv101 inflows later to top out to Cull capicities. The cyltflow from these two reservoirs to be regulated on demLind for water delivery.
to definite stmtement can be made at this time es to the amount of loss in water in transit from Estes Park to the diverf:iotl works of the iLtEj:e c!, ntls. Because of the Lore or 1(ss uuiform supply in the river tviis loss may not exceed
about percent. Likewise, no definite fioire clan 14 stated
as to the store loss in these two reservoirs. The seepage from these basins probably will be appreciable durinp, the first three to fivc; years of service. Little or no silt will be curried by the inflo into he reservoirs.
Because of the usucl stron g winds in March and April it io the customnry practice in Northern Colorado to not attempt the complete filling of storage reservoirs at that time, The
of Carter and lor3etooth reservoirs will likewise be JO reu1nted.
Distribution of the Suplemental Supyl,y
It is as3umed that about 10 pereert of the tunnel mipply will be lost in transit, seepage and evaporntion and the arrunt for ,Iistribution will be about 270,000 ncre-feet as based on the minimum tunnel delivery of 300,000 acre-feet. The allocetion of the water murply to the v:31riouswater districts has been asliumed as follows:
Poudre Waley 94,000 acre-feet
Big Thcpson 29,000 " tt
Little Thopson 5,000 2
St. Vrain 32,000 "
Lower Platte 110,000 "
Tho delivery of this suppiwaental suply for irrition needs is assumed to be as follows:
April 5 percent May 15 " Zune July 35 August 30 September 15 w
?hi a new water supply will be turned into the nntural
State Engineer ard distril;uted to the several caivls, ditches and renervnir by the ,ater commissioners in the various rryter districts in which this water will be used. At this tie there .1oes not appear to be any complications or rE'trictions affoctine the trtnsfer and delivery of this supplorlentel supply. It is expected, howevcr, That in many instrInces improvements in. water measuring fecilitiee 141.11 be necessnr:7, not only for cannl and ditch diversioEs, but also river or strenm control stations will be required to nore definitely fix the amouW; of water passinF, these vrious points. Adequate measurement .).f strecra flow 4nd diversions will proYaote a better and more efficint (iist,ributio:A of the water supply.
The pro!Jen (1' transferrinc, stoTaci water from Carter or Horsetooth Reservoir to Fort Morn or Sterlia6, in the lower Platte valley, ia not expected to offer gret
difficulty. Water 17 nov: 771ovei. from the Union
Reservoir near Luamont to the Bijou Canal at Fort liOrgt,i.n,, a distce of aboat 50 miles. As Fin economy leasure in
runni new supply in the ur8.1 strewo.m it should be
so Ilerenged that the amount trp..nsfer'redwoLild be a more
or les;F uniform an oorstant
Retl)rr Flow and Othor Water Pesourcee kvailt.ble in ',Ale Jouth Platte Basin.
Under present conditions it appears thrlt the major portion of this new water supply will be needed in the
Soutb Tlato vrIlf!:, Port Lupton to Jillsburg. Under normt,11 years of water supply this stretch of the river provies a lerge return. The continued drought, to7ether with mlny wells -,lumpod for irrigation, has materially depleted the under flow and it is not likely thnt this returnymter, will under present conditiona l reaume normA. -7roportions. The pplicriti62 of
approxitely 300,000 acre-foet ;:;iavilly over the 315,000 acres of irrignted lam], along the tributaries and nein 3outh Platte vnlle7, will Nithout question increase the extert of the return flow. The full effect of this
accumulstion 'prob..,bly will not be realized until after
three to five yeare use of this aupplemcntl supply. This exipeeted yearly increfiv3e in the return flow will be gelerAll7 felt in the lower valley and thus enhance in t7lis !Iren the water 'supply which will ultmc,tely retTAire
less of the first alloc,lion of the 111,000 acre-feet.
Subseuent adjustmenta of the alloction will '.;la:6:e possilde a moro concentrated application of the rater
supply in the tributary areas. It should be the policy to
use the supplemental supply, in so far it is practical,
on thehigher lands and resort to the nceumulted return flow to su,-Tly the lower lands. NO definite etttemente
to the e:r.tent of the ultimte rtAurn flo is nor possible.
It tvould be expected Met .Hccumulation in return flow
will be 30 or 40 72ercent of the total annunl ,iiversion or scme 80,000 to 100,000 acre-feet per year.
of Crganization
rflic ljan or orfTnization be .t suited to this project
has not yet been 40,viced. There are many factors involved in the development of a comprehensive plan of orgminction and at this title two general ideas of organization are
being discussed; rely a con, ervf?.ncy district Tlbn end
the other b contract plan.
Much can bc tv.1(.. in faSor of the dir,rict plan as it
in believed to hr a more equitable scheme. It is gencavily
held that whoa a substantial new etter aupply is furnidned to this section of Colorado, the benefits will be rather wide spread. Not only will the farmina interests be
beuefited but municipalities will be aidod from a busiress standpoint as well aa security in water supply; railroaas, factories, truck lines, state institutions, in ract all
business of whet ever nature ,kould feel the effect of
increased farm production. The district 0.1in involve.; the ilea of taxation in providin,-.; revenue and would be apread over the waole arem ihereby reaching all activities
receiviu - a direct Ueaerit. This would tend to evalize the burdn instead of assuraing that the water user go;1111 meet the whole cost of the project. This equaii:ation of
the load .4olld appear to be desir,,,A,,, ho it appears
at this tine that the pre,tint state law cov3ving the organization of such a conservancy district, is now well
suited in this instance. There is considerable doubt as to whether it would be possible to secure a majority approval ot. all the property owners within such a district.
The colltract plan, in general, would be based upon the promise that the delivery of water would be by
contract between the federal government and a responsible water users association. This association representing the several irrigation companies end other agencies using this supplemental water supply. The nature and limitations of such agreements between these two agencies is at this time not nown, however, it appears that such an arrangement might be possible. Under such a set-up it is not expected that the 570veriment would deal directly with inA.vivals, but rather vith the as,3ociation who in tur will contract with its member companies, municipalities, industries sad others who use the water.
The present conception of this project is that the Bureau of Reclumation will construct the reservoirs,
tunnels, camas, power plant at Estes Park, Granby pumping plant and al: other necessary works, using federal funds. These funds reimbursble without interest over a period of 40 years as provided by the Reclamation law. The Bureau of Reclamation to Liintain and operate the system to the point of delivery of the water into the Big Thompson River at Bates Park. The expense of maintenance and operation of this part of the project to be met through the sale of
-22-market for power is possible, it is estimated that the
revenue derived from this plant will be 0200,000 annually.
The association will assume the operation and maintenance
of the inlet and outlet canals to and from Carter and
Horsetooth reservoirs together with these two reservoirs
and all other necessary expense involved in the delivery
of water to the Poudre, Big and Little Thompson and
St. Vmin rivers. The distribution of the supplemental
supply to the several canal diversions to be administered
by the state water commissioners and their deputies.
-23-General Comment
That the funds necessary for the construction of this project be made available throu01 the Federal Government reimburseable uithout interest over a 40 year period.
The sale of power generated at the :Estes Park plant to proviLe revenue to operate and maintain the Granby Reservoir,
Granby Pumping Plant, Grand Lake, 'est Portal regulation of
the tunnel, the tranamountain tunnel, conduit to power house and the power plmnt.
The irrigntion district or water users association or some other legal organization, to assume the control. and
distribution of the water, collect the water charges rei:Aburse-able to the government and maintain the irrigation works on the east slope or South Platte drainage.
&ssumin6; an aDnual deliver: to the
water users
of 300,000acre-feet rt 2.50 per acre-foot would net $750,000 annualiy. Estimated cost of project at 25,000,000 repaid in 40 years, without interest,. would require en annual installment of .$650,000.
The creation of such
a
project, as proposed, would supplywater for centuries. The future will find immediate use for this supply at values in excess of 42.50 per aore-foot.
The 'ore than 70 years of irrigation .:,ractice in northern ColorRdo has 'not resulted in any deterioration of the
fertility of the soil. Drainage of lands, for the reclamation of wet nreas, pr-bfibly would be less than 25,00 acres over
-.24-the entire district to be ssrved.
Climate, soils, crops, markets, and populRtion together with the full devolopment of cities, towns, villff;es, schools, farms, factorieu and complete irrigation facilities commands
the assurance of full security in the develo-ment of this supplemental irrigation water supply project in the serving of this rich agricultural area in Northern Colorado.
-25-Map, _aoles and :A.aw,raas.
I.ie.p shoin,g ti approximate area in the :outh klatte drainage that i11 be covered by the supplemental Tater supply divertd from the .solorado 1-liver drainage.
Colorado-Big Thompson Project.
Table I. gives stati,tics relative to cities and tons located in the area to be served by the supplemental water supply.
Table 3ummary sheet of - e,ter, acreage, crops,
valuations and other data relative to the area served in water districts 1,2,3,4,5 and 64 - Jouth Platte drainage in 2olorado.
Table III.- 3ummary taL.le sho‘,ing al;er suppl available for storage and diversion in and. from Granby _eservoir. Table IV. - 3chedule or diversion through transmountain
tunnel ror minimum, average and maximum supply. Capacity of tunnel 750 second-feet.
Table V. - Summary of monthly diversions, power generated, pover required for pumping, and percent of total
diversion Dumped in the operatio:i of the GrL,nby Reservoir and tunnel when based on average diversion of 3_5,500 acre-feet annually.
-26-1.abie VI. - Operation of Garter ana Ilorsetooth Reservoirs for avere delivery through tunnel o 645,500 acre-feet. Diagrala I - jho,.7ing total water suppL,exceot return flol,„ avai1ab13 in water districts 1 - 44,D, and 64, by
appropriate color, a d te store by :,Tears in cre-feet as compared with 1926.
Diagram 2 - Showin percentae of diversion, acres
irrigated, acre-feet shortiage for 19'64, as compared with 1926 in 1.-ter district 1.
Diagram 3 - Showing percentage of diversion, acres
irrigated, acre-feet shortage for 1934, as compEired with 1926 in - ter district 2.
Diagram 4 - ;110-;4in percentage of diversion, acres
irrigated, acr—feet shortage for 1934 as compared with 1926 in . ter district o.
Diagram 5 - 3ho1xin:: f rcentar7e of aiversio:, acres
irrigated, acre-feet shorta:e for 1964, as compared with 1926 in v,ater district 4.
Diagram 6 - ,Jhowit, ‘crcente ,,e of Liversioli, acres
irrigated, acre-feet sholtage for 1934 as comPared wi5h 1926 in 'ater district 5.
-27-,iagram 7 - Tho rcentage of diversion, ' cres
irriated, acre-feet shorta;7e for 1934 as compared viith 1926 in -;d2ter ,kistrict
iiagrarrl 8 - 3hol,Ting rela.io-1 between total 7.v:ter supply, 1926 and 1934, for ;,-tqr districts, 4,5 and 64; also stS rage in cra-feet in 1934. it wilj be noted that for the most part the extent of diversion exceeds tl'e supply. This conaiion arises because of tLe retura flo:
available as z, potential sup:ly and not accountad for as streau flo. into the district.
LAaqra2 9 - •financial loss in sugar beet crop in 193 as compared 1,ith 1926 Then assumed this loss due to insufficient uLter supply.
SUMNARY OF RETURN FLOW IN WAT.M DISTRICTS 1,2,3,4,5 and 64.
Dist. 192o 1926 1927 1928 1929 1900 1931 1932 1933 1934 1935 Avg. No. per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent
1 o6 34 57 2 44 24 37 3 28 25 34 4 44 15 26 5
.5'i-- 4.rE D2
64 79 50 68 42 53 53 63 61 39 66 31 31 32 36 41 29 49 29 26 6o 37 27 26 36 24 28 38 29 28 41 22 56 o3 ol 48 40 46 38 57 53 66 70 74 72 77 64 53'' 29 35 24 30 39 30 / 197(45
80 68 Me an 42SUMMARY OF RETURN FLOW IN WATER DISTRICTS 1,2,3,4,5 and 64.
Dist. 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 Avg. No.
per-cent
per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent
per-cent per-cent per-cent 1 56 31 57 42 53 53 63 61 39 66 64 53 2 44 24 37 31 31 32 36 41 29 49 29 35 3 20 25 34 20 26 35 37 27 26 36 24 30 4 44 15 26 24 20 38 29 28 41 22 39 30 5 __ ..- 52 56 53 51 48 40 46 38 19 37 64 79 50 68 57 53 66 70 74 72 77 80 68 Mean 42
SU172.1.ARY OF 1-1-,7',1'),17, "LOT IN WATER DISTRICTS 1,2,3,4,5 and 64.
Dist. 192b 1926 1927 1928 1929 190 1931 1932 193 1934 19',;b tivg.
-T53177--
pc!r-per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent per-cent
1 56 34 57 42 53 53 63 61 39 66 64 53 2 44 24 37 .31 31 32 36 41 29 49 29 35 3 28 25 34 29 26 35 37 27 26 36 24 30 4 44 15 26 24 20 38 29 28 41 22 39 30 5 52 56 53 51 48 40 46 38 19 37 64 79 30 68 57 53 66 70 74 72 77 80 68 Mean 42
4014 4-1.6
3
4
27
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n
P
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,t,AtiNt
1-1,1.
Watt APA4412,4,1-Lo
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a4
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rs
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31 31 34, 36 /1
f
02q234
6
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3 067 3'
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3742
,--. -, '-'" 1--• -^'• -... , .-1 F. -, --- - ---4---- -••••• ...1. . 2 1--.. -. '-1 .-....,
LET GREEN INDICATE 1926 WATER SUPPLY AS IDEAL AND 100 % FOR ALL
DITCHES, THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY
RECEIVED IN 1934.
-1 I0 8 6 rr LIJ a_ 2 ,,,,, ,i) , °' e I i 4-'' ° i? 4- ; e ..
c)
:7 , cf2" 4' 4. 4 , dP' •2. ,:, 6,- 4.1' 6' / -z-' c,z- 47 zi- ,e ,i, 4. „ 4' :) 4z.4: ” 4,' : ,4-„ „'. 4,,, cc, 4,,,,c? ,1/4,o I i 47 4, Se e Y-,...0°,::,- g'oso° -,,t '',7$ -,°- -,<' c3.1 ...' ,' -4' 45- 4- 2'- ,',z.- q'i $ e .7 1 ,s,; ie e 07. c:,- -F e e .f. 43- „tli -.—, 1 . / 4.. -.... •-• '4. — •—• .--• .4 .. — ,—, r .-. "—• .--• — r .-r —4 ..4 T ,-4 —4 —. r—di 0.—* —4 .-4 —I o, I•••••• .—. r — I-4 or •••• ,•—. —. •-• ... ... rI — -01 T , -4 ... rt ,-, IT —4 T .. r .. \ —..-... .—. T .-4 .—. .-.4 ... ,--—, •-• r —. •—• ,-. , .--.-• T tr ..—. ,-.. .--, T —, ,-. r . -. .1 Fr: ii r" 1 11 " 13 'Ci-4: —1 ... 1LET GREEN INDICATE 1926 WATER SUPPLY AS IDEAL AND 100 7 FOR ALL DITCHES, THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY RECEIVED IN 1934. ST VRAIN CREEK — WATER DISTRICT NO. 5
c.) 10 0
80
20
0
LET GREEN NDICATE 1926 VVATER SUPPLY AS IDEAL AND 100% FOR ALL DITCHES , THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY RECEIVED IN 1934. CACHE LA POUDRE RIVER— DIST. NO.3
NOTE:— BOYD 81 FREEMAN AND OGILVY RECEIVE ONLY RETURN WATER. / e (3. e 4:6) e I c-; I I • s_ 4),
100 80 60 40 a_ 20 0
LET GREEN INDICATE 1926 WATER SUPPLY AS IDEAL AND 100 7 FOR ALL DITCHES, THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY RECEIVED iN 1934. SOUTH PLATTE RIVER WATER DISTRICT NO. I
ct, / _1 41/4 I ,z• f ; 4qt' 44; e `? ,? ee e '*4) ‘4' e-4k‘ 0 4j S;
e
/4,
to le a a a 2 ^ ^ ^ •••••••••MIII=16100 80 1.d 0 60 s 0 ,ro:'1/4' ot• %4i. • 'c't) 40 cc LL.1 a. 20
I-ILEI GREEN ND1CATE 1926 WATER SUPPLY AS IDEAL AND 100 % FOR ALL DITCHES, THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY RECEIVED IN 1934. SOUTH PLATTE RIVER IN WATER DISTRICT NO. 64
too
80 60 40,d-
,.--
ki-, ki-, ki-, e;
4
,
4)
,„,,
_7„
t4, l''
20 Am AimmLET GREEN INDICATE 1926 WATER SUPPLY AS IDEAL AND 100 7, FOR ALL DITCHES, THEN RED INDICATES PER CENT OF 1926 WATER SUPPLY RECEIVED IN 1934.
The major shortage in canals or ditches is generally for the irrigation system of large area. This condition
is due due to the fact tPet early appropriators in the 60'd and early 70's built the smaller (itches to irrigate the bottom lands along the stream,ana the extent of the aecree for water was likewise of relatively small amount. Later when the agricultural development became more
extensive,larger ditches were built which resulted in later decrees.
Figures &hew that the large
acreage under an individual ditch or canal system shows a ma a shortage of water supply for the year or 1934.
Figures
show the available xxxxxx supply, short7ge, outflow from elvj
district, yearly percent of supply,all in relation to the normal water year of 1926 for water districts 1,2,3,4,
for
200,000 160,000 LLJ F— 120,000 80.000 < 40,000 0
U4-5,10A `WM-
ft-041n c..35A(a WIR3 aUFLA W4accIA MEI1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
RELATION BETWEEN ACTUAL WATER SUPPLY AND DESIRED WATER SUPPLY 0 CACHE LA POUDRE RIVER.
ASSUME 1926 AS AN IDEAL WATER YEAR: THEN YELLOW INDICATES THE FLOW UP TO THE 1926 SUPPLY , BLUE
INDICATES THE SURPLUS OVER 926 SUPPLY ,AND RED INDICATES THE DEFICIENCY UNDER THE 1926 SUPPLY.
1-40,000 w w cc LA-(.) 0 PER CENT 100 80 60 40 20 0 m>.-z_Jom maDDow am,,aw 1925 M<ODDW 1926
m>-z_lom x>_;z_Jom cr2.7z_Jom m>-z_lom m›-z_Jom cr>-z_lom w>-z_Jomm—oopw m—oDDLii ilamDmw 0-1Dnmw cLa DD ow ma nD D LL,
am,,‹Ln am,,a0 am,,aw am,,am am,,am
1927 1928 1929 1930
DISCHARGE AT MOUT INTO SOUTH PLATTE RIVER.
1931 1932 1933 m>-z_lom ma,,Dw 1934 cr)-z_Jomm<D,Dw 1935 C-1 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
YELLOW INDICATES PER CENT OF ADEQUATE SUPPLY USING THE 1926 SUPPLY AS 100 PER CENT. RED INDICATES PER CENT DEFICIENCY.
40.000 1- 30,000w u_ 20,000 cr 10,000 cr>-z_J00_ x>-z_JOQ-M<DDDw CL<DDDLLI CL<DDDLLI CL<DDDW CL<DDDLLA <M,,<EM .15 -)-D.4(0
1925 1926 1927 1928 1929
RELATION BETWEEN ACTUAL WATER SUPPLY
ASSUME 1926 AS AN IDEAL WATER YEAR: THE.
CC>-Z_JOCI_ W)-Z_10C1_ CC›-Z_JOM CC)-Z_j0a. M>-z_j0CL (1-<ODDW CL<CODDW cL<DDDW m<DDpw
cl_<DDDIJ <M --)-›<W <5,,<0 .4M -,,<C0 .12-,,am .4M,,au)
1930 1931 1932 1933 1934
ND DESIRED WATER SUPPLY ON ST. VRAIN RIVER.
YELLOW INDICAES THE FLOW UP TO 1926 SUPPLY, BLUE
CC)-Z_IOCL
< oppw
INDICATES THE SURPLUi OVER 1926 SUPPLY AND RED INDICATES THE DEFICIENCY UNDER 1926 SUPPLY.
L1140,000 Li w20000 ° 1925 100-H z 80 L.LJ 0 60 40 LU 20 CC>-Z_J00_ M.Ipppui
7Aigh
CC>.z_JOM .12,,c(cO raiL 117 cLaDDDw C1-<DDDW <5-,-,<u, .1 2 -, —3 .1 01 cr>-zjOQL cr >- 2! _J CL<DDDW CL<DDDW 1926 1927 1928 1929 1930 1931 ..-,N4111ENzon m>-z_Joa_ 1cIDDDW 1•Pk" • CC>- Z.__10C1-CL<22DW Cr>_.;Z_JOCI-CL-4.DnDW .42-)-D<EW CL>- z_ICOM CL.1=DLIJDISCHARGE AT MOUTH INTO SOUTH
1932 1933 1934 1935 PLATTE RIVER. n9.5 I9?g icto7 YELLOW lisnCATFq BRn1AIN e'en ft 1929 1930 1931 1932 1933 1934
MT nF ArEQUATE SUPPLY USING 1926 SUPPLY AS 100 70
1k1DIrIATP. PER CENT DEFICIENCY.
tunic Al-Pq PER CFNT AT MOUTH USING 1926 SUPPLY AS 100 °A
192?-s PPc
ACRE FEET 70,00C 60,000 50,000 40,000 30,000 20,000 10,000 0 PER CENT - - - — Ir I
o>-z_1(.9a. a)-z_jOa_ cr>-z_J(9a- Cc>-z _JOG_ cr>-z__161 cr>-Z_1(9
12-cL <DD Diii a_<DDDw a_<IDDDLA a_<ID -)Dui a_<DD.Dw a.<1.DDOw a_ DDDW a.-.DDDw < -) < <I 2 < < M -3 -3 < (i) < 2 -) < < u) < < -) < (r) < <
•
-af-->- Z CI- Z _J
CI-<DDDILI cL,IDDDILI CC >- O- CI-=, (f)
1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 RELATION BETWEEN VI UAL WATER ScPPLY AND DESIRED WATER
SUPPLY ON
BIG THOMPSON RIVER. ASSUME 1926 AS AN IDEAL WATER YEAR: THEN YELLOW INDICATES THE FLOW UP TO THE 1926 SUPPLY, BLUE INDICATES THE SURPLUS OVER 1926 SUPPLY AND RED INDICATES THE DEFICIENCY UNDER 1926 SUPPLY.100 80 60 40 20 V MI — wma. 11•15 MI — ME mow IIIIIIII.... ... ..i MI IIIII — NM MN — m..../... _ •,... ...
a.<DDDLLI <I -) u)
c>-j(90. >Z _J5, a- Z LS a_ r)-- ZJoa- >- z_J(Da. cr)-z_J00. >- Z _J <CDDDLii a_ <CDnnw a_<CDDDw a_<-)DDLo a_ <DDDlij <DDow a_ aDD Dw
<2 -)-)<(fl <2 -)<u) <2-)-,acr) <2-_,-)<(J) <C2-)-)<u) <2-)-)<u) ci-<DDDLki
__I (90. D L11 < -3 -3 <U)
1925 1996 1927 1928 1929 1930 1931 1932 1933 1934 DISCHARGE OF THE BIG THOMPSON 'VER INTO THE SOUTH PLATTE RIVER.
1749 LJC >- z_J CI-Q- <EDDDLL1 < < Cf) 1935 1925 1926 1997 1928 1929 1930 1931 1932 ic: leiLl
YELLOW INDICATF PER CENT OF ADEQUI F SUPPLY USING 192.6 SUPPLY AS Inn °7... RED INDICATES PER CENT DEFICIENCY.
BROWN INDICATES PER CENT AT MOUTH USING I92A sUPPI Y 45 Inn
200,000 150,000 w 100,000 cr 50,000 0 -1 -V-V
q,y4,
,,i-Cr>-Z_JOCI- Cr>- z_JOm Cc>-z_JOta_ Cc>-z_J00_ CC>- Z_JOCI- x>217_1013- CC?:..Z.J011_ CC).-Zrn Cr>- Z_100_
CC>- z__JOa X>-z_joM ...
ra_QDDDw m<DDDLIJ (1_<DDDW M<DDDW
.ct -D --)<u) a2 --,-,<(/) aM-,-).1(/) .1am .c,-. 0W 12DDw CL<DDDW CL<DDDLJ mQD DD Lij cl_QpDpw DUDQM -)-3QW Q2-1 -,QW QM -3 -DQW Q2-3 -,QO QMQ(,) QM -3 -3QO 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 RELATION BETWEEN THE ACTUAL AND THE 1926 IDEAL WATER SUPPLY FOR WATER DISTRICT NO. 2. YELLOW SHOWS THE TOTAL SUPPLY FROM THE 0 RIG THOMPSON, ST. VRAIN AND SOUTH PLATTE RIVERS, BLUE THE SURPLUS AND RED THE DEFICIENCY, RELATIVE TO THE 1926 SUPPLY.
i--- 600,00 L.I.J w 400,00 L.L. cr <:( 200,00 40 I I I i ccf.<s_ioQppu 1925
Cr>.-ZJOM Cr?..7Z__10(1. W)-z_JOEL CC>-Z__JOM cL<DDDU 0_,DDDw cLQ DD D w
Q2-3-3QO QM -3-3Q0 <T -3 -3Q0 QM ,-3QO 1926 1927 1928 1929 DISCHARGE OF SOUTH PLATTE AT
w 20 ' a.
- iir- a mi
ft mifri
o
fail1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 YELLOW SHOWS PER CENT OF ADEQUATE SUPPLY FROM THE BIG THOMPSON, ST VRAIN AND SOUTH PLATTE RIVERS USING 1926 SUPPLY AS 100 %, RED SHOWS THE PER CENT DEFICIENCY. BROWN SHOWS DISCHARGE AT KERSEY FROM DISTRICT NO. 2 USING TOTAL SUPPLY IN 1926 AS 100 70
CC>-Z_JOM Cr>- Z_JO
m<ODDW C1-<DDDW CL<DDDW CL<DDDW CL<DDDW MQ=DW Q2-3 -3QO QM -3-3QU) .1 -3 -, <TO .12-,-D<ro
1930 1931 1932 1933 1934
KERSEY FROM WATER D STRrT NO. 2. 1935
200.000 175,000 H150,000 LU
LI-1_
125,000 100,000 w 75,000 ‹ 50,000 25,000Cr>- Z-10(1 CL)- Z_JOCL icc>-Z_Joa_ cc>-z_Joa_ CC>-Z_100- CC>-Z_JOCL
cc>-Z_JOC1_ Cc>-Z_JC,u.. a-`4•DDDLLI Cl_<DDDL.1 ;Q_<DDDLLI Cl_<DDDLLI CL<DDDLIJ CL<DODLU a.<IDDDLLI
a_<CDDDuj
<r<
2-).--) <U) M -)-,<U):‹M -D --) <U) ..CM -><C(J) <2,--,<U) <m-)-,<c(J) .:1 -)-,<(/) •cc, -).cr(I)
1925 1926 1927 1928 1929 i 1930 1931 1932 1933 1934 1935
RELATION BETWEEN ACTUAL AND DESIRED WATER :SUPPLY ON THE SOUTH PLATTE RIVER IN DISTRICT
NO. I.
ASSUME 1926 AS AN IDEAL WATER YEAR: THEN YELL)W INDICATES THE FLOW AT KERSEY UP TO 1926 SUPPLY
BLUE INDICATES THE SURPLUS OVER 1926 SUPPLY AND RED INDICATES THE DEFICIENCY UNDER THE
1926 SUPPLY I—L.d 200,000 Li LU 100,000-w 0 0 PER CENT I00 80 60 4 X>-z_iom cc>-Z_Jom M<DDDw M<DDDW (a_<DDDW cc,-z_Jom 0_‹„Dw 1925 x27z_Joa_ CL.--,DDOW Z_JOCL t19717-RI'' a_ Ef_< 5-1 Ma] a_<nDDW maDDDLLI E4.?)-510w
TF
.Z-7 . CC>- Z_JOM -05---77711Tr
-Rg,<t MQ0DMW
1926 1927 1928 1929 1930 1931 1932 1933
DISCHARGE FROM DISTIOCT NO. 1 AT BALZAC.
— 20 —, 0 iTii 1 l —, 1925 1926 1927 1928 1929 i 1930 1931 1932 1933 1934 1935
YELLOW INDICATES PER CENT OF ADEQUATE SUPPLY AT KERSEY USING 1926 SUPPLY AS 100%.
RED
INDICATES PER CENT DEFICIENCY. BROWN INDICATES PER CENT DISCHARGE FROM DISTRICT
1 AT BALZAC, USING 1926 SUPPLY AT KERSEY AS 100%.
< 1934
MQDDOW
140,000 120,000 100,000 LIL 80,000 60,000 40,000 cc
0
< 20,00011/ 0 M<DDDW ^fr›-Z__10a. a>- Z_JOCI- Cf).-ZJOM (1. 44DDDLLi 0- 1:DDDW 0-QDDDW Q2,,<W <MmIW cc"›-z_loci. C—05-z __.100_ (1 .:IDODW 0..,IDDDw <S.Z -)-)<C(J) QM --,-3440 1 r--^ X>-Z_J00- M>-Z.10(2-M<DDDW O_QDDDLij (1../DDLLI .1M -)-- <)U)M-DQ <,,<(.0 < M,<C(J1 MQDDDW 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
RELATION BETWEEN ACTUAL AND DESIRED WATER SUPPLY ON SOUTH PLATTE RIVER IN DISTRICT 64.
ASSUME 1926 AS AN IDEAL WATER YEAR: THEN YEL _OW INDICATES THE FLOW AT BALZAC UP TO 1926 SUPPLY, BLUE INDICATES THE SURPLUS OVER 1926 SUPPLY, AND RED INDICATES THE DEFICIENCY UNDER 1926 SUPPLY. 2oa000 LI-11 100,000
0
0 MIT-
J(3E
<2-D,QW 1925 1926 100 80 60 40 20 (=>-Z-J0Q- Cr>-Z__100-0_<DDDW 0_<DDDLJJ (1.<DDDLu <M 1927 1928 1929DISCHARGE FROM DIS
1930 Gli'-1-1931 1931 ICT 64 AT JULESBURG. CL>-z_JOCI_ 0..<1.DDDW cr>.-z_joa.cl...‹D D DLJ <2,,a(r) M>-z__100-0- 64DDDLLJ <M-,-)<0 1933 1934 1935 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
YELLOW INDICATES PER CENT OF ADEQUATE SUPPLY AT BALZAC USING 1926 SUPPLY AS 100 70. RED
INDICATES PER CENT DEFICIENCY. BROWN INDICATES PER CENT DISCHARGE FROM DISTRICT 64 AT
j
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14.1.1.4ww. The development of this project is not foP a fe years but will be a useful long-time enterprise.
Ale estimated cost is small compared with the usefulness over a long-time period.
2kmxtiiimxixxixxxxxxxxm An example of the results of in 1936
an adequate irrip.,ation supply was demonstra'ed artxtx on the farm of 7olorado 3tate 'allege where 50 acrs or corn yielded 80 bushels to the acre.
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424.To determine the approximate loss in value of crop due to the extreme water shortage in 1934 as compared to the normal water year
or
1926, a stuay ol the crop yield in the six water districts was made. Thetabulations show the loss
in dollars for various crops grown unaer canal and ditch systems in each of the water districts. Lack of water 13 wholly responsible for the reduction in crop.
This assumption is reasonable because oz the fact that crops arc not destroyed or greatly reduced in yield due to insect invasion, isease, hail, floods or destruction by wind. It is not unusual to have hail storms occur in certain
localities,but the loss is essentially the same each seLson.
1964 - Crop Values - price per unit Alfalfa Potatoes .55 “heat .88 barley .74 Oats .06 €2 i Y`"')
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9;51--,ater Alfalfa District 1 2 3 4 5 64 Total ,4t( Potn toes ;11.70 per ton6'54
per bushel 2'62,600 J324,000 85,300 124,200 559,300 1,96'3,000 186,000 254,000 372,600 105,500 201,500 61,200 i)1,687,50W2,83-,900c
47 ft
heat Bnrley Oats. 880 per 744 per bushel bushel 564 per bushel „p22,300 ;226,000 „V6,1,900 53,600 10,400 86,0u0 358,500 660,000 180,600 224,700 146,000 75,100 264,500 '601,200 132,500 43,900 213,000 107,700 967,500 , ,b56,600 ;6,±3,700 --Alfalfa _4,687,500 Potatoes 2,833,900 Wheat 967,500 Barley 1,556,600 Oats 543,700 r Ic
muisi ugarbpets 4 1097,768/ (Sawhill) - Other drops -4.044-.4":01 (Sawhill)
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'he summary sheet, Iable , shows the water data; sugar beet crop yielus in 1934, valuations or farm lands and irrigation systems, extent of acreae or various crops; and irrigation pumping data. These comparisons and relative data apply to water districts 1, 2„4 15 and 64 and to the total irrigated acreage in 1934 of 613 1346 acres. The loss of value in sugar beets due to the extreme water supnly shortage in 1934 when compared with the returns per acre for 1926 was ,,38.28 per acre over the six water districts.
I 09) 0 92-3 .13,25) Ct'ev ?3 21 i stZ 4 ctc,q 736
