WSP07787

• File Number: 8277.100
• Description: Salinity Projects Not Located in Colorado - Colorado River Salinity Control Forum
• Basin: Colorado Mainstem
• Date: 9/1/1981
• Title: Salinity Control and Environmental Assessment - part 2
• Water Supply Pro - Doc Type: EIS

BENEFICIAL EFFECTS - ANNUAL
SALINITY REDUCTION (DOWNSTREAM)

c
.... 50
e
>- ~
.... Q
;;; 40
~
.... -
c'" ~
"'~ ..
",:: i" 30
~"'-
>
_z: ~
"'- ~
'"
g"'''' 20
-c
c>....
:3~ ...
~'" Q 10
........-
....
'"
e
= 0
-
I
0

...-.,.11:;&1 EfftU

Wi thout Program
,.A 1 ternati ve 1
Alternative 2

/
~Salinity from natural and
Upper Virgin River Sub-
evaluation Unit sources

Romaining Salinity
From Irrigation
in Virgin Valley
Subevaluotion Unit

Figure A-I

I
5

o
I
10

5

10

20

25

"i.

Installation

Evaluation
Time in Vears

BENEFICIAL EFFECTS -ANNUAL
INCREASED EFFICIENCY OF CROP PRODUCTION

z:
Q
5 ...-
~...
;::, i~ 7
'"
= 4 C"'- 6
......8
~ i!5~~ 5
~
'" 3
~ ~58 4
.. ... -
." ~!- 3
.: 2 >'"
...=
z: _ 2
-~-
1- ~es 1
-'j
>z: 0
I
0

~lternative 2

~ ternative 1
..

Figure A-2

,.:...-;"

.. :::::..:::::::' Benefical Effect
...... .....................................
. ..................-...

Without Program

5

.,
~~

I I
5 10

Installation

Evaluation

. Time in Vears

Grapmics prepared as prescribed in Federal Register, Vol. 45, No. 190.
September 27, 1980, by Part III, Water Resources Council, E..ironmental
Quality Evaluation Proceaures for level C Water Resources Planning:
Final Rule. BENEFICIAL EFFECTS

1/ The rating scale Is from 1 to 5: 1, unsuited; 2, pOO'; 3 fair or
neutral, 4. good; and 5. excellent.

USllA- SCS

Virgin Valley Subevaluation Unit
Arizona. Nevada. Utah

of the Virgin River Unit

Colorado River Basin Salinity Control Program

A-2

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