WSP01558

• File Number: 8221.112.I
• Description: Central Arizona Project
• State: AZ
• Basin: Colorado Mainstem
• Date: 1/15/1973
• Title: Final Environmental Statement: Authorized Havasu Intake Channel Havasu Pumping Plant and Buckskin Mountains Tunnel - Central Arizona Project
• Water Supply Pro - Doc Type: EIS

!:'
c
r-
N

c:.

II.

I.

TABLE OF COOTUlTS

~

DESCRIPTION OF THE PROPOSAL .

.

. 1

. .

. . . . .

. . . . . . .

A.
B.

location . . . . . . . . . . . . .
Legisla.tive History, Authorization,
1.
2.
3.

.

.

. . . 1
. . . 1
. . . 1
. . . 3
3

.

. . . .

.

.

and Requirements

Legislative History . . . . . . . . . . . . . . .
Legislative Authorization . . . . . . . . . . . .
Legisla.tive Requirements . . . . . . . . . . . . . . .
a. Protection of CUrrent Rights to Water
.A:rfected by the CAP . . . . . . . . . . . . . . . . 4
Provisions Regarding Irrigation of Lands
and Irrigation ~stems . . . . . . . . . . . . . .

b.

C.
D.

4

Pl11'pose . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Description of the Feature . . . . . . . . . . . . 6
1. Intake Channel . . . . . . . . . . . . . . . . . . . . 6
2. Pu.JD.ping Plant . . . . . . . . . . . . . . . . . . . . . 8
3. Buckskin M::luntains Tunnel . . . . . . . . . . . . .. 11
4. Power Source and Transmission Requirements . . . . . . 12
5. COllllllW1ication System . . . . . . . . . . . . . . . . . 13
FUnction o~ the Feature . . . . . . . . . . . . . . . .. 14
1. General Operating Criteria . . . . . . . . . . . . . . 14
2. Feature Operating Criteria. . . . . . . . . . . . . . 15

E.

DESCRIPTION OF THE ENVIRONMENT

. . . .

17

. . . .

........

A.
B.
c.
D.
E.

Cli1D!l.te . . . . . . . . . . . . . . . . . . . . . . . . .
'lbpography . . . . . . . . . . . . . . . . . . . . . . . .
Geology- . . . . . . . . . . . . . . . . . . . . . . . . .
Vegetation . . . . . . . . . . . . . . . . . . . . . . . .
Fish and Wildlife
1. Invertebrates....................
2. Fish.........................
a. Native Fishes . . . . . . . . . . . . . . . . . ..
b. Rare and Endangered Species . . . . . . . . . . .
3. Terrestrial Vertebrates . . . . . . . . . . . . . . .
a. Amphibians and Reptiles . . . . . . . . . . . . .
b. Birds......................... .....
c. )fA.1III1IR.1s.....................
Ecological Relationships . . . . . . . . . . . . . . . . .
Recreation and Land Use . . . . . . . . . .. . . . . .. . .
Special Esthetic Values, Historical or
Archeological Sites . . . . . . . . . . . . . . . . . . .
Landownership .. .. . . . . .. . . . . . . . . . . . . . . .
Environmental Quality in the Feature Area . .
1. Air. . . . . . . . . . . . . .. . .. ........
2. Water.... .. . . . . . . . .. . . . .. .. .. .. . .. .. .. .. .
3. Noise. . .. . . . . . .. . .. . . . . . .. .. . . . . . .

.

17
17
19
21
21
22
22
23
23
24
24
24
25
27
28

Vertebrates and Invertebrates

. .

F.
G.
H.

30
30
30
30
31
31

I.
J.

. . .

.

.