Storage Dams

5      

Diversion dams and structures

17    

Canals

4.3 mi  

Conduit (includes siphons)

281.6 mi  

Powerplants

2      

Transmission lines

11.6 mi  

Switchyards

2      

Substations

2      

Tunnels

26.7 mi  

Location:

On the South Fork of the Fryingpan River, about 7.5 miles south of Norrie, Colorado.

Construction period:

1965-1971  

Dimensions:

    Height above streambed

13 ft  

    Weir crest length

20 ft  

    Weir crest elevation

10,003.0 ft  

Spillway:

Concrete gravity with retaining walls in combination with earth embankment.

    Capacity

740 cfs  

Sluiceway:

A 5-ft-square cast iron slide gate with a pedestal lift, and 5-ft-wide overflow section adjacent to gate structure.

Headworks:

Four 3.5-ft-square cast iron slide gates with pedestal lifts

    Capacity

215 cfs  

Location:

On the Fryingpan River, 9 miles south of Norrie, Colorado.

Construction period:

1965-1971  

Dimensions:

    Height above streambed

14 ft  

    Weir crest length

25 ft  

    Weir crest elevation

9,961.9 ft  

Spillway:

Concrete gravity with retaining walls in combination with earth embankment.

    Capacity

1,100 cfs  

Sluiceway:

One 5- by 6-ft cast iron slide gate with pedestal lift, with 5-ft overflow section adjacent to gate.

Headworks:

Four 5- by 4-ft cast iron slide gates with pedestal lifts

    Capacity

400 cfs  

Location:

9.5 miles southeast of Norrie, Colorado; diverts water into the Nast Tunnel.

Construction period:

1970-1973  

Dimensions:

    Interceptor ditch length

230 ft  

    Crest elevation

10,207.0 ft  

Spillway:

Dike, formed by an interceptor ditch, to drop inlet

    Capacity

20 cfs  

Sluiceway:

2-ft-diameter cast iron slide gate covering a 2-ft-diameter precast concrete sluiceway pipe

Headworks:

5- by 2.5-ft steel slide gate with a pedestal lift.

    Capacity

20 cfs  

Location:

On Halfmoon Creek, 9 miles southwest of Leadville, Colorado.

Construction period:

1977- (Under construction)  

Dimensions:

    Height of structure

18 ft  

    Spillway overflow length

50 ft  

    Spillway overflow elevation

9,715.5 ft  

Sluiceway:

One 5- by 3-ft cast iron slide gate with pedestal lift.

Headworks:

One 5-ft-square cast iron slide gate with pedestal lift.

    Capacity

150 cfs  

Spillway:

Concrete gravity

    Capacity

510 cfs  

Location:

On Sawyer Creek, 4.5 miles east of Norrie, Colorado.

Construction period:

1970-1973  

Dimensions:

    Height above streambed

6 ft  

    Weir crest length

20 ft  

    Total crest length

50 ft  

    Weir crest elevation

10,084.5 ft  

Spillway:

Dike embankment with a concrete inlet.

    Capacity

30 cfs  

Sluiceway:

One 5-ft-diameter cast iron slide gate with a nonprojecting lift

Headworks:

One 2.5-ft-diameter cast iron slide gate with a nonprojecting lift.

    Capacity

30 cfs  

Location:

On Midway Creek, 7 miles east of Aspen, Colorado.

Construction period:

1976- (Under construction)  

Dimensions:

    Height above streambed

12 ft  

    Inlet size

10 ft  

    Overflow wier length

20 ft  

    Diversion elevation

10,186.7 ft  

    Weir length

50 ft  

    Weir crest elevation

10,190.2 ft  

Spillway:

Gated structure with an 8-ft diversion channel leading to an 8-ft diameter vertical shaft.

    Capacity

85 cfs  

Sluiceway:

One 10- by 12-ft cast iron radial gate with a walled channel.

Headworks:

One 5-ft-square cast iron slide gate with motor-operated lift and stem.

    Capacity

85 cfs  

Location:

On No Name Creek, 5.5 miles east of Aspen, Colorado.

Construction period:

1976- (Under construction)  

Dimensions:

    Height above streambed

13 ft  

    Diversion elevation

10,167.0 ft  

    Weir length

26 ft  

    Weir crest elevation

10,170.5 ft  

Spillway:

Gated structure with a 7- by 8-ft diversion channel to a vertical shaft.

    Capacity

95 cfs  

Sluiceway:

One 8- by 12-ft cast iron radial gate.

Headworks:

One 5-ft-square cast iron slide gate with motorized stem and hoist.

    Capacity

95 cfs  

Location:

On Hunter Creek, 7.5 miles east of Aspen, Colorado.

Construction period:

1976- (Under construction)  

Dimensions:

    Height of shaft

52 ft  

    Drop inlet size (diameter)

12 ft  

    Top of inlet (elevation)

10,175.5 ft  

    Headworks crest length

30 ft  

    Headworks crest elevation

10,179.0 ft  

    Sluiceway crest length

60 ft  

    Sluiceway crest elevation

10,182.5 ft  

Spillway:

Gated structure with a 5- by 8-ft diversion channel to a vertical shaft.

Sluiceway:

One 8- by 10-ft cast iron radial gate.

Headworks:

One 6-ft-square cast iron slide gate with motorized stem and hoist.

    Capacity

140 cfs  

Location:

6.5 miles southeast of Norrie, Colorado; diverts water into the Granite Siphon

Construction period:

1978-1980  

Dimensions:

    Height above streambed

4 ft  

    Weir crest length

10 ft  

    Weir crest elevation

10,078.0 ft  

Spillway:

An overflow from drop inlet with a crest length of 10 ft. Auxiliary spillway is a 15-ft-wide concrete weir overflow section.

    Capacity

50 cfs  

Sluiceway:

One 1.5-ft-square cast iron slide gate with motor-operated lift and stem

Headworks:

One 3-ft-square cast iron slide gate with motor-operated lift and stem

    Capacity

50 cfs  

Location:

7 miles east of Norrie, Colorado.

Construction period:

1976- (Under construction)  

Length

1.4 mi  

Capacity

190 cfs  

Cross section:

Horseshoe

Diameter

8.0 and 8.25 ft  

Lining:

Concrete and ShotCrete

Location:

5.5 miles east of Norrie, Colorado.

Construction period:

1974-1976  

Length

2.9 mi  

Capacity

270 cfs  

Cross section:

Horseshoe

Diameter

7.5 and 8.75 ft  

Lining:

Concrete and ShotCrete

Location:

6 miles southeast of Norrie, Colorado.

Construction period:

1970-1974  

Length

3 mi  

Capacity

360 cfs  

Cross section:

Circular

Diameter

7.67 and 9.33 ft  

Lining:

Concrete and ShotCrete

Location:

5 miles south of Norrie, Colorado on Chapman Gulch

Construction period:

1965-1971  

Length

2.8 mi  

Capacity

300 cfs  

Cross section:

Horseshoe

Diameter

7 ft  

Lining:

Concrete

Location:

7 miles south of Norrie, Colorado, on South Fork Creek

Construction period:

1965-1971  

Length

3.1 mi  

Capacity

450 cfs  

Cross section:

Horseshoe

Diameter

8 ft  

Lining:

Concrete

Location:

7 miles northeast of Norrie, Colorado, on Carter Creek

Construction period:

1976- (Under construction)  

Length

0.54 mi  

Capacity

100 and 130 cfs  

Cross section:

Horseshoe

Diameter

8 ft  

Lining:

Concrete and ShotCrete

Location:

About 5 miles southeast of Norrie, Colorado, on the Fryingpan River.

Construction period:

1965-1971  

Length

5.4 mi  

Capacity

945 cfs  

Cross section:

Horseshoe

Diameter

10.5 ft  

Lining:

Concrete

Location:

5 miles east of Aspen, Colorado, on No Name Creek

Construction period:

1970- (Under construction)  

Length

7.6 mi  

Capacity

90, 175, and 270 cfs  

Cross section:

Semi-horseshoe, horseshoe

Diameter

8.5 and 7.33 ft  

Lining:

Concrete

Location:

3 miles southeast of Nast, Colorado.

Construction period:

1970-1974  

Length

0.14 mi  

Capacity

50 cfs  

Cross section:

Horseshoe

Diameter

7.67 and 9.33 ft  

Lining:

Concrete and ShotCrete

Location:

6.5 miles southeast of Norrie, Colorado between Granite Creek and Granite Adit

Construction period:

1978-1980  

Length

0.76 mi  

Capacity:

50 cfs  

Cross section

Circular

Diameter

30 and 36 in  

Location:

9 miles southeast of Norrie, Colorado, between Nast Tunnel and South Side Collection System

Construction period:

1970-1974  

Length

2,481 ft  

Capacity

360 cfs  

Cross section:

Circular

Diameter

84 in  

Location:

4 miles south of Norrie, Colorado, between Sawyer Creek and Hunter Tunnel.

Construction period:

1970-1973  

Length

3,098 ft  

Capacity

30 cfs  

Cross section:

Circular

Diameter

27 in  

Location:

5 miles south of Norrie, Colorado, between Chapman Diversion Dam and the Chapman Tunnel.

Construction period:

1970-1973  

Length

0.05 mi  

Capacity

300 cfs  

Cross section:

Rectangular

Diameter

8.33 by 11.00 ft  

Lining:

Concrete

Location:

4 miles west of Leadville, Colorado, in Lake County from Turquoise Lake to Mt. Elbert Forebay.

Construction period:

1977- (Under construction)  

Length

10.7 mi  

Capacity

370 cfs  

Cross section:

Circular

Diameter

90 in  

Location:

7 miles east of Norrie, Colorado, between the Carter Tunnel and Mormon Tunnel

Construction period:

1976- (Under construction)  

Length

0.33 mi  

Capacity

130 cfs  

Cross section:

Circular

Diameter

45 in  

Location:

5.5 miles east of Norrie, Colorado, between Mormon Tunnel and Cunningham Tunnel

Construction period:

1976- (Under construction)  

Length

4,170 ft  

Capacity

220 cfs  

Cross section:

Circular

Diameter

60 in  

Location:

7 miles south of Norrie, Colorado, between Chapman Tunnel and South Fork Tunnel

Construction period:

1970-1973  

Length

0.07 mi  

Capacity

215 cfs  

Cross section:

Rectangular

Size

7.5 by 9.0 ft  

Type:

Concrete

Location:

8.5 miles southeast of Norrie, Colorado, between South Fork Tunnel and Charles H. Boustead Tunnel

Construction period:

1970-1973  

Length

0.06 mi  

Capacity

400 cfs  

Cross section:

Rectangular

Size

9.25 by 13.0 ft  

Type:

Concrete

Location:

8.5 miles southeast of Norrie, Colorado, between Cunningham Tunnel and Nast Tunnel

Construction period:

1975-1976  

Length

0.05 mi  

Capacity

150 cfs  

Cross section:

Circular

Diameter

84 in  

Type:

Concrete

Location:

5.5 miles east of Norrie, Colorado, between Cunningham Tunnel and Nast Tunnel

Construction period:

1976- (Under construction)  

Length

0.4 mi  

Capacity

20 cfs  

Cross section:

Circular

Diameter

18, 21, and 24 in  

Type:

Precast concrete pressure pipe

Location:

13 miles southwest of Leadville, Colorado, between Mt. Elbert Forebay and Mt. Elbert Powerplant on Twin Lakes Reservoir

Construction period:

1972- (Under construction)  

Length (each)

0.57 mi  

Capacity (each)

3,400 cfs  

Cross section:

Circular

Diameter (two)

15 ft  

Type:

Steel pipe

Location:

6 miles west of Pueblo, Colorado, to 2 miles south of Colorado Springs, Colorado.

Construction period:

(Construction pending issuance of specifications)  

Length

45 mi  

Capacity

31 cfs  

Diameter

42 to 14 in  

Location:

From Twin Lakes to the Otero Powerplant and the Homestake Turnout

Construction period:

Proposed  

Length¹

5.5 mi  

Capacity

725 cfs