Lower South Platte River Study

• Contractor Name: Colorado Water Conservation Board
• Loan Projects - Doc Type: Feasibility Study

Table 2-4
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North Sterling Inlet and Outlet Canal System Monthly Feasible Diversion(acre-ft/month)(1)
s-
Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Total
1943 0 0 405 1,005 0 0 0 0 0 0 0 0 1,410
1944 0 0 0 0 0 0 0 9,108 0 0 0 0 9,108
I 1945 0 0 2,145 1,865 0 0 0 0 0 0 0 0 4,010
1946 0 2,412 1,225 2,335 0 0 0 0 0 0 0 0 5,972
1947 0 0 0 2,132 0 0 0 0 10,696 7,308 0 0 20,136
1948 0 0 1,585 4,910 0 12,276 0 0 0 0 0 0 18,771
I 1949
1950 0 0 1,885 0
2,420 2,015 1,535 0 7,204 0 0 10,608 680 0 0 20,377
0 0 0 0 0 0 0 0 0 5,970
1951 0 0 35 1,722 0 0 0 0 0 0 0 0 1,757
1952 0 837 1,555 1,965 3,710 12,276 11,880 0 0 0 0 0 32,223
1953 0 0 1,695 2,005 0 0 0 0 0 0 0 0 3,700
I 1954 0 0 1,911 718 0 0 0 0 0 0 0 0 2,630
1955 0 0 0 0 0 0 0 0 0 0 0 0 0
1956 0 0 0 0 0 0 0 0 0 0 0 0 0
1957 0 0 0 0 0 0 0 12,276 6,616 0 0 0 18,892
I 1958 0 0 0 0 0 0 11,880 0 0 0 0 0 11,880
1959 0 0 0 64 0 5,788 11,880 8,794 0 0 0 0 26,526
1960 0 0 0 0 0 10,774 0 0 0 0 0 0 10,774
1961 0 0 0 0 0 0 0 12,000 6,648 0 0 0 18,648
I 1962 0 11,880 0 1,255 0 12,276 0 0 0 0 0 0 25,411
10,220 1963 0 0 345 349 3,010 6,516 0 0 0 0 0 0
1964 0 0 0 0 0 0 0 0 0 0 0 0 0
1965 0 0 0 0 0 0 0 0 6,686 6,980 0 0 13,666
1966 11,884 11,880 3,395 0 0 0 0 0 0 0 0 0 27,159
I 1967 0 0 0 0 0 0 0 0 11,856 7,664 0 0
0 19,520
1968 0 0 0 0 0 0 0 0 0 0 0 0
1969 0 0 0 847 0 0 0 0 0 3,404 0 0 4,251
1970 0 4,896 0 855 0 0 11,880 0 0 0 0 0 17,631
I 1971 0 0 0 4,475 0 0 0 12,088 6,576 0 0 0 23,139 II�
1972 0 3,356 1,735 3,135 4,435 6,310 0 0 0 0 0 0 18,971
1973 0 0 2,532 4,910 4,435 12,276 11,880 11,716 4,968 0 0 9,416 62,134
1974 12,276 11,420 0 0 1,670 12,276 11,252 0 0 0 0 0 48,894
1975 0 0 0 0 0 0 0 0 0 0 0 0 0
0
I 1976 0 0 0 0 0 0 0 0 0 0 0 0
1977 0 0 0 0 0 0 0 0 0 0 0 0 0
1978 0 0 0 0 0 0 0 0 0 0 0 0 0
1979 0 0 0 0 0 0 0 0 0 0 0 0 0
I 1980
1981 0 0 0 4,910 4,435 11,600 11,880 8,316 8,076 0 0 0 49,218
0 0 0 0 0 0 0 0 0 0 0 0 0
1982 0 0 0 0 0 0 0 0 0 0 0 0 0
1983 0 0 4,910 4,825 3,250 12,276 11,880 9,848 10,080 1,556 724 6,580 65,929
I 1984 10,808 0 0 4,910 4,435 12,276 11,880 8,936 7,712 0 0 9,136 70,094
1985 12,276 11,880 3,895 4,605 2,570 12,276 0 6,198 0 0 0 2,646 56,346
1986 0 0 4,910 4,910 4,435 526 11,880 0 9,024 0 0 9,628 45,314
1987 395 9,990 0 4,910 3,579 12,276 11,116 7,424 9,916 0 0 0 59,607
1988 0 0 2,335 3,635 3,380 0 0 0 0 0 0 0 9,350
I 1989
1990 0 0 0 2,995 0 0 0 0 0 0 0 0 2,995
0 0 0 0 0 0 0 0 0 0 0 0 0
1991 0 0 0 4,485 0 0 0 0 8,204 0 0 0 12,689
1992 0 0 0 375 0 12,276 0 0 0 0 0 0 12,651
1993 0 0 0 0 0 12,276 0 0 0 0 0 9,032 21,308
0 4,275
I 1994 2,900 0 1,375 0 0 0 0 0 0 0 0
1995 0 0 0 0 0 0 0 5,896 5,150 1,508 0 7,764 20,318
1996 0 2,895 0 795 0 0 0 0 5,420 0 0 11,880 20,990
1997 12,240 0 0 4,910 0 0 0 0 10,440 0 5,076 4,844 37,511
I Average 1,141 1,343 725 1,497 788 3,341 2,351 2,047 2,521 629 105 1,290 17,680
(1) Monthly feasible diversions were calculated as the lesser of the physical and legal availability at the North Sterling Canal headgate
on the South Platte River(see Table A-1 in Appendix A)and the estimated available capacity for the North Sterling Inlet and Outlet Canal
Isystem(see Table A-4 and A-5 in Appendix A)
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