WSP08487

• File Number: 8240.200.43.H.1
• Description: Grand Valley/Orchard Mesa -
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 3/7/1994
• Title: Case 91CW247 Check Case - 1977 & 1989 Streamflow, Diversion and Reservoir Data
• Water Supply Pro - Doc Type: Data

Dra4~~.
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Initiated deliveries to the Grand Valley Water Users ~~~
Association (GVWUA), et, al., via the Government Highline
Canal (285+ cfs), (GVWUA)

1977 Colorado River Operations

March 19:

March 20:
March 21 :
March 21 :
March 21:
March 21&22:
March 30:
March 30&31 :
April 1 :
April 2:
April 12:
April 13:
April 15:
April 16:
April 17:
April 17:
April 19:
April 23:
May 1:
May 2:
May 22&23:
June 1:

Mean daily flow of Colorado River (CR) near Dotsero was
620 cfs, (USGS)

Mean daily flow of CR near Cameo was 1,280 cfs. (USGS)

Initiated pumping to Orchard Mesa Irrigation District (OMID)
Canal s (40 cfs). (OMID)

Initiated Grand Valley Irrigation Company (GVIC) Canal
diversions (375 cfs), (DWR)

OMID Check operated (24 and 13 cfs) (Calder)
Flow of CR near Cameo was 1,350 cfs,
OMID Check operated (25 and 91 cfs) (Calder)
Mean Da i1 y Flow of CR near Dotsero was 760 cfs. (USGS)
Flow of CR near Cameo was 1,450 cfs,

Green Mountain Reservoir (GMR) reached minimum storage
contents of 74,500 acre-feet. (AOP - USBR)

Flow of CR near Dotsero was 1,300 cfs.

Flow of CR near Cameo was 1,840 cfs,

Single day release of 55 cfs for C-BT replacement, (USBR)
Flow of CR near Dotsero was 1,200 cfs.

OMID Check operated (24 cfs). (Calder)

Flow of CR near Cameo was 2,100 cfs.

OMID Check operated (50 cfs), (Calder)
Flow of CR near Dotsero was 1,530 cfs,
Flow of CR near Cameo exceeds 2,260 cfs (2,460 cfs).
OMID Check operated (29 & 39 cfs), (Calder)

Flow of CR near Dotsero was 2,190 cfs,