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I , : I 1 .-- "~I , tv o (/J u' PROGIW! FOR WATER CONSERVATION AND UTILIZATION FINDIllG OF FEASIBILITY AND APPROVAL 0377 The Secretary of the Interior Washington. October 21. 1940 THE PRESI DENT . THE \HnTE HOUSE. (Through the Bureau of the Budget) My dear Mr. President. In f.\.Ooordl1J!De with the requirements of the act of August 11. 1939 (~ stat. 1418) as amended. I submit this report on the Mamos irrigation pro- jsct in Montez_ County. Colorado. aild request your approval of t he find- ings and oert1fioatt01 contained herein. PROJECT plAN The proposed work involves the co:n.struotiOll of a storage reservoir on Jaokson Guloh. about 4 miles north of the town of Manoos. an inlet canal to take water from the West Mancos B1ver. and deliver it to the reservoir. and en outlet oanal to whioh water will be released from the reservoir and re- turned to the river. The diversion and distribution system for till project lends has already been r.onstruoted. The dClll will be an earth-fill structure. 1'0 feet high above the stream bed and 1.9'0 feet long across the orest. The inlet oanal will be of 2;0 seoond-feet oapaoity and appro:dms.tely , miles in length. The Q1tlet canal will be of 200 seoond-feet capaoity and less then 3 miles long. Tbe reservoir back of the deIll will have a oapaoity of 10.000 acre-teet. 'l'he project lands. oompr1siDg approximately 10.000 aores. are situated in the valley along the Mancos Rtver ll$ar the town of Mancos. The Manoos Valley. one of the oldest irrigated seotions in western Oolorado. has been settled for over 60 years. but many years ago the eoonomio limit of settle- ." ment was fixed by the unregulated water suppq. At present it is pre.cticabl$ "' to raise only SOlll6 grain and forage crops. althou{'j:l the 8011 and olimate aN adapted to the growth of m9.!\r ather 'ftl.f1eties. The depeildable water supply which would be provided by oonstruction or the projeot would fUn11sh proteo- tion rram drought and permit mOl'e diversified fanning. thus stabll1zing the agriculturnl industry in this oonmunity. A ll$W water supply for the Milse. Verde National Perk is urgently needed. The present BUPPlv. whioh is from a deep well. is nat satisfactory as tbB water is hot and must be cooled and treated to make it fit for use. The de- mand for water is constantly illllreasing and the park is becoming each year more popular. It is now planned to build a pipe line of 1;0 gallons-per- minute capaoity. with an approximate length of 21. miles to take water from the Jackson Gulch Reservoir to the national park headquarters. Approximately 120 acre-feet of the reservoir storage will be allocated to the Park Service. but the construction or the pipe line is not included as a part of the ~laneos irrigation project.