Storage Dams

1      

Diversion Dams

7      

Canals

128 mi  

Laterals

     438 mi  

Drains

216 mi  

Type

Timber-crib weir, concrete wings, removable crest.

Location

On the Gunnison River , about 12 miles east of Montrose, Colorado

Year Completed

1912. Supplemental construction in 1915.  

Dimensions:

   Structural height

16 ft  

   Hydraulic height

10 ft  

   Weir crest length

237 ft  

   Length

244 ft  

   Crest elevation

6,542.5 ft  

   Volume

3,200 yd³  

Headworks:

Concrete gate structure with two 6.9 ft by 11.6 ft steel plate gates.

   Diversion capacity

1,000 cfs  

Type

Concrete weir, embankment wing

Location

On the Uncompahgre River, about 10 miles northeast of Montrose, Colorado

Year Completed

Constructed by private interests in 1915, reconstructed in 1940.  

Dimensions:

   Structural height

16 ft  

   Hydraulic height

8 ft  

   Weir crest length

75 ft  

   Weir Length

764 ft  

   Crest elevation

5,403.0 ft  

   Volume

1,000 yd³  

Headworks:

Timber structure with ten 3 ft by 4 ft wooden gates with 24-in hand wheel screw-type hoists.

   Diversion capacity

330 cfs  

Type

Concrete weir and apron with radial gates.

Location

On the Uncompahgre River, about 2 miles south of Montrose, Colorado

Year Completed

1883. Acquired by Reclamation in 1908, supplemental construction in 1908 and 1911, rehabilitated in 1974.

Dimensions:

   Structural height

24 ft  

   Hydraulic height

9 ft  

   Weir crest length

114 ft  

   Volume

400 yd³  

Headworks:

Concrete structure with radial gate controls and sluiceway operated by an electric motor.

   Diversion capacity

120 cfs  

Type

Concrete gate structure with radial control and sluiceway gates.

Location

On the Uncompahgre River, about 8 miles south of Montrose, Colorado

Year Completed

1883. Constructed by private interests. Supplemental construction by Reclamation in 1908, 1911, 1912, and 1915.
New structure built in 1963.

Dimensions:

   Structural height

46 ft  

   Hydraulic height

10 ft  

   Weir crest length

65 ft  

   Volume

9,825 yd³  

Headworks:

Concrete structure with two radial gate controls operated by an electric motor.

   Diversion capacity

550 cfs  

Type

Rockfill weir, concrete surfaced

Location

On the Uncompahgre River, about 15 miles northwest of Montrose, Colorado

Year Completed

Acquired by Reclamation and rehabilitated in 1914. 

Dimensions:

   Structural height

8 ft  

   Hydraulic height

4 ft  

   Weir crest length

75 ft  

   Crest elevation

5,170.0 ft  

   Volume

1,000 yd³ 

Headworks:

Two 4 ft by 6 ft wooden gates

   Diversion capacity

75 cfs  

Type

Timber-gated sluiceway with uncontrolled concrete overflow weir and concrete stilling basin.

Location

On the Uncompahgre River, about 5 miles northwest of Montrose, Colorado

Year Completed

Acquired by Reclamation in 1914, supplemental construction in 1914.

Dimensions:

   Structural height

25 ft  

   Hydraulic height

10 ft  

   Weir crest length

94.5 ft  

   Weir length

96 ft  

   Crest elevation

5,696.25 ft  

   Volume

500 yd³  

Headworks:

Two 4- by 6-ft wooden gates

   Diversion capacity

320 cfs  

Location

From Gunnison Diversion Dam southwest to a point about 2 miles west of Cedar Creek, Colorado.

Construction period

1905-1909. Rehabilitated 1966-1967  

Length

5.8 mi  

Diversion capacity

1,000 cfs  

Cross section: 

Rectangular with arched roof, 11 ft wide, 12 ft high.

Lining

Concrete  

Location

From end of Gunnison Tunnel generally south-southwest to the Uncompahgre River

Construction period

1904-1909  

Length

11.4 mi  

Diversion capacity

1,010 cfs  

Typical section in earth:

   Bottom width

30 ft  

   Side slopes

2:1  

   Water depth

10 ft  

Typical section in concrete:

   Bottom width

25 ft  

   Side slopes

1:1  

   Water depth

4.5 ft  

    Lining thickness

6 in  

Location

Generally northwest from the Uncompahgre River beginning at the terminal structure of South Canal.

Construction period

1912  

Length

21.2 mi  

Diversion capacity

172 cfs  

Typical section in earth:

   Bottom width

200 ft  

   Side slopes

1:1  

   Water depth

2.5 ft  

Location

Generally northwest from Montrose and Delta Diversion Dam.

Construction period

1908-1912  

Length

40 mi  

Diversion capacity

550 cfs  

Typical section in earth:

   Bottom width

26 ft  

   Side slopes

1:1  

   Water depth

4 ft  

Location

Generally north-northwest from Loutzenhizer Diversion Dam.

Construction period

Privately constructed. Purchased by Reclamation in 1908 and rehabilitated.

Length

14.5 mi  

Diversion capacity

120 cfs  

Typical section in earth:

   Bottom width

16 ft  

   Side slopes

1:1  

   Water depth

2.5 ft  

Location

Generally north from Selig Diversion Dam.

Construction period

Privately constructed. Rehabilitated and enlarged by Reclamation in 1914.

Length

20 mi  

Diversion capacity

320 cfs  

Typical section in earth:

   Bottom width

26 ft  

   Side slopes

1.5:1  

   Water depth

1.5 ft  

Location

Generally northwest from Ironstone Diversion Dam.

Construction period

Privately constructed. Acquired by Reclamation in 1915.

Length

14 mi  

Diversion capacity

400 cfs  

Typical section in earth:

   Bottom width

30 ft  

   Side slopes

1.5:1  

   Water depth

4 ft  

Location

Generally north from East Diversion Dam.

Construction period

Privately constructed. Acquired by Reclamation in 1911, rehabilitated and extended.

Length

10.6 mi  

Diversion capacity

165 cfs  

Typical section in earth:

   Bottom width

24 ft  

   Side slopes

1.5:1  

   Water depth

1.5 ft  

Location

North-northwest from Garnet Diversion Dam.

Construction period

Privately constructed. Rehabilitated by Reclamation in 1914.

Length

10.7 mi  

Diversion capacity

75 cfs  

Typical section in earth:

    Bottom width

18 ft  

    Side slopes

1.5:1  

    Water depth

1.5 ft