Table 1
Site Cost Matrix
Aspen In-Situ Storage Screening Study
Perimeter
(feet)

Estimated
Depth to
Bedrock (feet)

Estimated Storage Volume
Rounded to nearest 50 AF
(Acre-feet)

Augmented alluvial wells/ Pipeline
to WTF

25.7

4943

100

550

509,129

Merolt Ditch/ Pipeline to WTF

33.8

4951

85

550

49.6

5936

85

Foundation Geology

Water Delivery Infrastructure
(To/From)

1

North Star Preserve

Precambrian Quartz Monzonite (granite)

2

Moore Open Space

3A
Aspen Golf Course
3B
4

Zoline Open Space

5A

Castle Creek Fault Zone: Overturned
Triassic - Permian Sedimenary Rocks
Castle Creek Fault Zone: Overturned
Triassic - Permian Sedimenary Rocks
Castle Creek Fault Zone: Overturned
Triassic - Permian Sedimenary Rocks
Mancos Shale and Possibly Castle Creek
Fault Zone

Mancos Shale
Aspen Airport

5C

Mancos Shale

5D

Mancos Shale

6A

Mancos Shale
Cozy Point Ranch

6B

Mancos Shale

7

Woody Creek

Mancos Shale

8

Vagneur Gravel Pit

Mancos Shale

650

Merolt Ditch/ Pipeline to WTF
Augmented alluvial wells/ Pipeline
to WTF

Mancos Shale

5B

Unit Slurry Wall
Estimated Slurry
Construction Cost
2
Wall Area (ft )
($/ft2)

Area
(acres)

Site Name

Site ID

Augmented alluvial wells, Spring
Creek (?)/ Pipeline to WTF

Augmented alluvial wells/ Pipeline
to WTF
Augmented alluvial wells,
Salvation Canal/ Pipeline to WTF
Augmented alluvial wells,
Salvation Canal/ Pipeline to WTF

Estimated Storage
Construction Cost

Storage Cost per
Acre-foot ($/AF)

$35.00

$17,820,000

$32,400

2.3

435,688

$35.00

$15,249,000

$27,700

0.8

522,368

$35.00

$18,283,000

1,400
75.0

9225

85

760

42.0

5921

85

61.4

7757

50

400

58.2

6840

50

350

650

$35.00

521,048

$35.00

426,635

$5.50

$2,346,000

276,100

$5.50

$1,519,000

$29,500

$23,085,000
$28,100

1.8

7305

50

300

309,650

$5.50

$1,703,000

3.3

67.7

8596

50

350

385,880

$5.50

$2,122,000

3.9

13.1

3819

50

100

210,045

$5.50

$1,155,000

3374

50

45.0

6217

50

42.9

6794

50

100

$3,036,000

$5,520

$34,400,000

0.8

$1,056,000

$1,920

$26,900,000

1.4

$1,848,000

$1,300

$71,300,000

1.8

$2,376,000

$3,655

$34,000,000

3.9

$5,148,000

$3,700

$21,200,000

5.6

$7,392,000

$37,000

$15,500,000

2.9
$5,500

62.3

11.8

2.3

2.6

$7,690,000

200

Estimated
Project Cost*

1.4

$18,237,000

1,400

Water Delivery
Cost per Acrefoot ($/AF)

1.0
$41,368,000

659,560

Estimated Water
Delivery Cost
($250/foot)

Distance to WTF (miles)

5.4
$2,027,000

$10,100

158,620

$5.50

$872,000

5.6

300

341,935

$5.50

$1,881,000

$6,300

6.4

6.4

$8,448,000

$28,160

$17,000,000

1,000

373,670

$5.50

$10,055,000

$10,100

6.8

6.8

$8,976,000

$8,976

$31,400,000

*Construction Costs rounded to nearest $100,000 and marked up by 65%:
10% Mobilization
5% Permitting
15% Engineering
5% Miscelaneous
30% Contingency
Does not include land acquisition costs