WSP09076

• File Number: 8443.300
• Description: Narrows Project - Legislation
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 8/1/1966
• Author: US DoI
• Title: Report on the Narrows Unit Colorado
• Water Supply Pro - Doc Type: Report/Study

2C70

~,

BENEFITS AND COSTS

(Annual, 100-year analysis)

Benefi ts

Item

Irrigation (250/265 prices)
Flood control ~
Recreation ~
Fish and wildlife enhancement ~
Total

Direct

$1,410,000
961,000
790,000
292,700
)J;3,453,700

~ Benefits provided by cooperating agencies.
~ Adjusted for time and rate of occurrence.

Costs

Item

Annual Equivalent of inves tment (lOO-years
@ 3-1/8%)
Annual OM&R
Dam and reservoir
Recreation
Fish & wildlife management

area
Jackson Lake
Total

!'!:.I

$26,300
86,QOO !?/

37"JOO
18,000

Narrows Unit
August 1966

Total

b/
-'

$1,631,500
961,000
790,000 J2/
292,700
)J;3, 675, 200

Amount

~2,10'( ,000 '!:./

168,200
$2,275,200

Direct
Total

. . . . . . . 1.52
<> Q .. .. . . . 1~62

Based on a net investment of $64,306,300 derived as follows:
project cost $61,820,000, minus future recreation develop-
ment $1,140,000, plus discounted future recreation develop-
ment $560,000, less road relocation (P. L. 87-874) $139,000,
less preauthorization investigations $1,702,000, plus
interest during construction $4,918,600, less road reloca-
tion during construction $11,300.

!?/ Recreation OM&R is adjusted downward from $153,700 ultimate
to reflect rate and time of occurrence for benefit-cost
analysis.

BENEFIT-COST RATIO (lOO-year @ 3-1/8 percent)