WSP06126

• File Number: 8200.750
• Description: San Juan River General
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 6/1/1987
• Author: Wheeler and Assoc
• Title: Documentation for Animas River Hydrology Analysis - Historic and Virgin Flow Conditions - June 1987
• Water Supply Pro - Doc Type: Report/Study

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USGS to be "good" except for winter months which are "poor" (more than 15

percent en-or). There are no significant diversions upstream of the gage.

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Hermosa Creek near Hermosa

The gaging station site is located two miles upstream from the mouth

of Hermosa Creek, ten miles north of Durango in Section 3, Township 36 North,

Range 9 West. Hermosa Creek has a 17Z square mile drainage basin at this

location. Records are available for the period of 1940 through September 1980,

with additional records available intermittently during 1911 through 19Z8. The

gage records are considered by the USGS to be "good" except for winter months

which are "poor." There are no significant diversions upstream of gage.

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Junction Creek near Durango
The gaging station site is located about four miles upstream from the
mouth of Junction Creek, four miles northwest of Durango. Junction Creek
has a Z6 square mile drainage basin at the gage location. Records are available
for the period of October 1959 through September 1965. The gage records are
considered by the USGS to be "fair" (less than 15 percent en-or) except for winter
months which are "poor." There are no significant diversions upstream of the

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gage.

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Animas River at DuranRO

The gaging station is located about one mile upstream from the mouth

of Lightner Creek in Durango, in Section ZO, Township 35 North, Range 9 West.

The Animas River at Durango has a 69Z square mile drainage basin. Records

are available for the Durango gaging station since 1897. Records are considered

by the USGS to be "good," but flows are affected by diversions for irrigation

of about 4,ZOO acres upstream of the gaging station, operation of Electra Lake,

and diversions for municipal use.

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LiRhtner Creek Near DurallRO

The gaging station site is located one-half mile upstream from the conflu-

ence with the Animas River in Durango, in Section 30, Township 35 North,

Range 9 West. Lightner Creek has a 66 square mile drainge area at the gage

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