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 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hiawatha Larimer County | 14 | 1888 | Significant | Satisfactory |
| Highland #1 Weld County | 17 | 1879 | Significant | Satisfactory |
| Highland #2 (North) Boulder County | 41 | 1881 | Significant | Satisfactory |
| Highland #2 (South) Boulder County | 41 | 1881 | Significant | Satisfactory |
| Highland #3 Weld County | 21 | 1881 | Significant | Satisfactory |
| Highland Mary San Juan County | 28 | 1903 | Low | Satisfactory |
| Highline El Paso County | 38 | 1938 | High | Satisfactory |
| Himmelland Pitkin County | 24 | 1967 | Low | Satisfactory |
| Hinkley Larimer County | 26 | 1906 | Low | Satisfactory |
| Hinman Grand County | 30 | 1939 | Low | Satisfactory |
| Hiwan #6 Jefferson County | 46 | 1963 | Low | Satisfactory |
| Hodgson-Harris Boulder County | 23 | 1906 | Low | Satisfactory |
| Holbrook Otero County | 25 | 1890 | Significant | Satisfactory |
| Holy Terror Delta County | 17 | 1893 | Low | Satisfactory |
| Home Lake Rio Grande County | 14 | 1896 | Low | Satisfactory |
| Homestake Project Eagle County | 265 | 1967 | High | Satisfactory |
| Hopkins Garfield County | 34 | 2020 | Significant | Satisfactory |
| Horse Creek Weld County | 39 | 1910 | High | Satisfactory |
| Horseshoe Lake (East Dam) Larimer County | 37 | 1905 | Significant | Satisfactory |
| Horseshoe Lake (South Dam) Larimer County | 27 | 1905 | Significant | Satisfactory |
| Hot Springs Creek Gunnison County | 60 | 1956 | Low | Satisfactory |
| Hourglass Larimer County | 46 | 1898 | High | Satisfactory |
| Humphreys Mineral County | 85 | 1923 | High | Satisfactory |
| Humphreys - Spillway Dam Mineral County | 34 | 1926 | High | Satisfactory |
| Hunters Overlook Reservoir Weld County | 19 | 2018 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.