Colorado Dams
1,962 dams tracked by the National Inventory of Dams
Total Dams
1,962
High Hazard
451
23%
Poor / Unsatisfactory
119
Average Age
84 yrs
Hazard Classification
High451 (23.0%)
Significant294 (15.0%)
Low1,217 (62.0%)
Condition Assessment
Satisfactory691 (35.2%)
Fair533 (27.2%)
Poor / Unsatisfactory119 (6.1%)
Not Rated619 (31.5%)
Federal
141
State
80
Local
416
Private
1,221
Tallest Dams
- Morrow Point Dam468 ft
- Ten Mile Pond #3 Dam416 ft
- Blue Mesa Dam390 ft
- Gross 350 ft
- Ridgway Dam330 ft
High Hazard Dams
- Morrow Point DamHigh
- Ten Mile Pond #3 DamHigh
- Blue Mesa DamHigh
- Gross High
- Ridgway DamHigh
Poor Condition Dams
- SanchezUnsatisfactory
- Narraguinnep - Main DamUnsatisfactory
- Stillwater #1Unsatisfactory
- MiramonteUnsatisfactory
- Spring CreekUnsatisfactory
All Dams in Colorado
Showing 301–325 of 533
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Handy Larimer County | 34 | 1915 | High | Fair |
| Halligan Larimer County | 95 | 1970 | High | Fair |
| Hallenbeck #2 Mesa County | 36 | 1943 | High | Fair |
| Hadley Routt County | 12 | 1904 | Low | Fair |
| Gurley San Miguel County | 88 | 1961 | High | Fair |
| Groundhog Dolores County | 141 | 1939 | High | Fair |
| Gross Boulder County | 350 | 1955 | High | Fair |
| Grizzly Pitkin County | 65 | 1930 | High | Fair |
| Grimes Brooks Routt County | 35 | 1903 | High | Fair |
| Griggs #3 Grand County | 18 | 1952 | Low | Fair |
| Griggs La Plata County | 13 | 1999 | Significant | Fair |
| Great Western Broomfield County | 83 | 1903 | High | Fair |
| Gray'S Creek Chaffee County | 28 | 1948 | Low | Fair |
| Grass Valley East Dike Garfield County | 12 | 1946 | Significant | Fair |
| Grant B Jefferson County | 19 | 1910 | Low | Fair |
| Granite Dam La Plata County | 31 | 1983 | Low | Fair |
| Grand Mesa #9 Mesa County | 15 | 1904 | Low | Fair |
| Grand Mesa #8 Mesa County | 21 | 1901 | Significant | Fair |
| Granby #5-11 Delta County | 31 | 1930 | High | Fair |
| Granby #12 Delta County | 33 | 1949 | High | Fair |
| Goodhue No. 1 Boulder County | 18 | 1938 | Low | Fair |
| Goodenough #2 Delta County | 40 | 1928 | Significant | Fair |
| Gomez Archuleta County | 23 | 1971 | Low | Fair |
| Golden #2 Pond Garfield County | 21 | 1996 | Significant | Fair |
| Gobbo #3 Mesa County | 57 | 1973 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.