WSP04777

• File Number: 8274.200
• Description: Colorado River Basin Salinity Control - General Basinwide Salinity Issues
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1984
• Title: Dissolved Solids Load in the Upper Colorado River Basin
• Water Supply Pro - Doc Type: Report/Study

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D.

Summary of irrigation development in the basin

1. Irrigated acreage change with time (Fig. 8)
2. Consumptive use in irrigated lands (Fig. 9)
3. Major irrigation projects, dates of establishment and
consumptive use (Fig. 10, Table 5)

E. Mining and energy resource activity in the Upper Colorado River
basin

1.
2,

Types of mining (Table 6)
Location of major energy resource and mining areas (Fig,
11 )
Consumptive use
The effect of mining on streamflow and water quality
based on other studies

3.
4.

F. History of legislation in the basin

1, Reason for legislation
2, Types of legislation and enactment dates (Table 7)
3. Effects on water use in basin

III, Hydrology of the Upper Colorado River basin
A, Climate-gaging network

1.

NOAA climate stations located in the Upper Colorado River
basin (Fig. 12)
History of climate stations (Fig. 13, Fig, 14)

2.

B. Historical streamflow-monitoring data

1. History of the stream gaging program (Fig. 15, 16)
2, Effective length of record (Fig, 17)
3. Relation between effective record length and drainage
area (Fig, 18)

C. Analysis of historical streamflow records

1. Selection of key stations
2. Mean-annual flows and annual variability in the basin
(Table 8)

a. Long-term means
b. Range for period of record
c. Historical annual values (Fig. 19)

3. Monthly mean streamflows and monthly variability in the
basin (Table 9)

a. Long-term means (Fig. 20)
b. Seasonality (Fig. 21)

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