WSP11259

• File Number: 8441
• Description: Colorado - Big Thompson - Green Mountain
• State: CO
• Basin: South Platte
• Date: 3/12/1985
• Author: CRWCD by West. Eng.
• Title: Green Mountain Reservoir Water Sales Impact on Flows in Gore Creek
• Water Supply Pro - Doc Type: Publication

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for only one of the study years, 1977. Data for 1970 and 1972 was derived by
performing a regression analysis for the period 1974-1979 with the station on
Upper" Gore Creek. The analysis showed a close relationship between the two
sites.

TABLE 1 - Summary of USGS stream gaging stations which existed during the years
1970, 1972, and 1973.

Station
No.

Station
Description

Drainage
Aua (mi2)

Water Year
1970 1972 1977

09065500

Gore Creek at Upper Station,
near Minturn, CO.

x

x

x

14.3

09066000

Black Gore Cr near Minturn,

CO. 11.8
117- 7"1
CO. 19.6

x

x

x

09066050

Black Gore Creek near Vail,

x

09066100 Bighorn Creek near Minturn, CO. 4.37
09066150 Pitkin Creek near Minturn, CO. 5.39
09066200 Booth Creek near Minturn, CO. 6.03
09066250 Gore Creek at Vail, CO. .55.0
09066300 Middle Creek near Minturn, CO. 5.91
09066400 Red Sandstone Creek near
Minturn, CO. 7.27

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

\1

Data at points B, C, 0 and E were produced by summing upstream gage.

records (where available) with eHimated tributary inflow from the unp;aged

areas. Tributary inflows were estimatsd using watershed yields "(on a per

square mile basis) from gaged areas nearby and applying the", to the ungaged

areas. For the ungaged areas above each point, yields from lower Black. Gore

Creek (No. 09066050) were used for the tributary area on the south side of Gore

Creek. Yields from Middle Creek were used for the tributary area on the north

side. To complete the tributary area inflow estimation, it was necessary to

perform a regression analysis with the two stations on Black Gore oCreek. The

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