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 751–775 of 1,217
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hartman Retention Mesa County | 24 | 1957 | Low | Satisfactory |
| Hartman #2 Pond Grand County | 31 | 1965 | Low | Fair |
| Hartford Weld County | 9 | 1890 | Low | Not Rated |
| Harry White #2 Montrose County | 15 | 1959 | Low | Not Rated |
| Harry Denning Irrigation #3 Weld County | 27 | 1962 | Low | Satisfactory |
| Harris Park Estates #2 Park County | 27 | 1964 | Low | Satisfactory |
| Harris Brothers and Boone #2 Archuleta County | 18 | 1947 | Low | Satisfactory |
| Harris Brothers and Boone #1 Archuleta County | 24 | 1947 | Low | Unsatisfactory |
| Harris Garfield County | 50 | 1950 | Low | Not Rated |
| Harper and Sons Routt County | 34 | 1947 | Low | Fair |
| Hardesty Pueblo County | 25 | 1905 | Low | Not Rated |
| Hap Jackson County | 8 | 1925 | Low | Not Rated |
| Hanson #2 Delta County | 39 | 1925 | Low | Satisfactory |
| Hanna Ranch Supernatant El Paso County | 71 | 1996 | Low | Not Rated |
| Hankison Grand County | 44 | 1951 | Low | Fair |
| Hahns Peak Routt County | 38 | 1978 | Low | Satisfactory |
| Hadley Routt County | 12 | 1904 | Low | Fair |
| G.W. Verhoeff Bent County | 24 | 1947 | Low | Satisfactory |
| Grover W. Mundell #1 Baca County | 32 | 1980 | Low | Not Rated |
| Grove Creek #2 Mesa County | 16 | 1911 | Low | Satisfactory |
| Grove Creek #1 Mesa County | 22 | 1894 | Low | Unsatisfactory |
| Groth Pumping System Larimer County | 20 | 1951 | Low | Not Rated |
| Grimes Montezuma County | 36 | 1947 | Low | Not Rated |
| Griggs #3 Grand County | 18 | 1952 | Low | Fair |
| Griggs Grand County | 20 | 1948 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.