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 276–300 of 451
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Humphreys Mineral County | 85 | 1923 | High | Satisfactory |
| Hourglass Larimer County | 46 | 1898 | High | Satisfactory |
| Hotel Lake Dam Delta County | 27 | 1953 | High | Fair |
| Horsetooth-Spring Canyon Larimer County | 225 | 1949 | High | Not Available |
| Horseshoe Lake Huerfano County | 27 | 1961 | High | Fair |
| Horse Creek Weld County | 39 | 1910 | High | Satisfactory |
| Homestake Project Eagle County | 265 | 1967 | High | Satisfactory |
| Holly Arapahoe County | 45 | 1979 | High | Not Rated |
| Hogchute Mesa County | 56 | 1947 | High | Fair |
| Highline El Paso County | 38 | 1938 | High | Satisfactory |
| Heart Lake Garfield County | 43 | 1953 | High | Fair |
| Hayden Boulder County | 27 | 1905 | High | Fair |
| Haviland Lake La Plata County | 27 | 1927 | High | Satisfactory |
| Hatcher Archuleta County | 51 | 1965 | High | Satisfactory |
| Harriman Jefferson County | 38 | 2013 | High | Satisfactory |
| Harper Lake Boulder County | 11 | 1985 | High | Satisfactory |
| Handy Larimer County | 34 | 1915 | High | Fair |
| Halligan Larimer County | 95 | 1970 | High | Fair |
| Hallenbeck #2 Mesa County | 36 | 1943 | High | Fair |
| Hallenbeck #1 Mesa County | 43 | 1970 | High | Satisfactory |
| Gurley San Miguel County | 88 | 1961 | High | Fair |
| Guanella Clear Creek County | 40 | 2004 | High | Satisfactory |
| Groundhog Dolores County | 141 | 1939 | High | Fair |
| Gross Boulder County | 350 | 1955 | High | Fair |
| Grizzly Pitkin County | 65 | 1930 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.