WSP06371

• File Number: 8276.750
• Description: Colorado River-Salinity Projects and Issues Located in Colorado-Mancos Valley
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 5/25/1938
• Author: BOR FCMerriell
• Title: The Mancos Project-Western Slope Surveys-Colorado-A Supplemental Report to the Mancos Project Report of May 1 1937
• Water Supply Pro - Doc Type: Report/Study

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Table 2

Sumnaticn of Daily DeDk~nd on Storage

Units - Acre-Feet

:Date of
: First
Year:Deoand

1921:
1922:
1923:
1924:
192.5:
1926 :
1927 :
1928:
1929:
1930:
1931:
1932:
1933:
1934 :
193.5:
1936:
1937:

6/29
6/21
6/21
.5/28

7/7
6/2D
.5/21
7/6
6/.5
6/2.5

:Denqnn on Storage, Based en Water Requirement of
Table 1
May June July Aug. Sept. Tetal

o
o
o
48

2,408
3,679
2,957
4,100

1,462
2,.575
1,067
3,088

313
1,269
631
1,305

10
5.5.5
.514
2,028

o
o
432
o
o
o

1,618
2, .570
2,880
1,781
1,164
2, .511

781
809
1,099
6.53
470
978

o
101
4,012
o
1,26.5
59

1,934
2,086
4,474
1,228
3,984
1,373

# Derived from relation between demand on storage and
d.eficiency of strean flow 0f Towaoc during June I July
and August.

De=nd ahead of storage

It has b8en the practice in the past to irrigate with

full ditches starting as early as weather percittGd and con-

4,193
9,078
.5,167
10,.569
11,7.50#
.5,200#
.5,700#
8,.540#
6,800#
9,070#
12,270#
~,333
.5,.584
12,897
3,662
6,833
4,871

tinuing while stream flow lasted. Table 1 presents a Jistribution

of demcmd which should be ndequ'1te for r;mturing crops in Mancos

Valley, but the present practice during the flood season would

probnbly be continued unless the lote season flows augwented by

~333

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