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 1351–1375 of 1,962
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Northfield El Paso County | 34 | 1955 | Low | Satisfactory |
| Northfield Wtp Backwash Reservoir El Paso County | 30 | 1974 | Low | Not Rated |
| North Fork Chaffee County | 35 | 1953 | High | Satisfactory |
| Northglenn Terminal Adams County | 28 | 1981 | Significant | Satisfactory |
| North Gray Larimer County | 22 | 1904 | Low | Not Rated |
| North Lake Las Animas County | 94 | 1963 | High | Fair |
| North Michigan Creek Jackson County | 75 | 1963 | Significant | Satisfactory |
| North Poudre #1 Larimer County | 16 | 1885 | Significant | Satisfactory |
| North Poudre #11 Larimer County | 8 | 1888 | Low | Fair |
| North Poudre #15 Larimer County | 53 | 1949 | High | Satisfactory |
| North Poudre # 2 Larimer County | 33 | 1955 | High | Satisfactory |
| North Poudre # 3 Larimer County | 39 | 1980 | High | Satisfactory |
| North Poudre # 4 Larimer County | 24 | 1956 | Significant | Satisfactory |
| North Poudre # 5 Larimer County | 41 | 1905 | High | Satisfactory |
| North Poudre # 6 Larimer County | 42 | 1905 | High | Satisfactory |
| Northside El Paso County | 15 | 1892 | Low | Fair |
| North Star Weld County | 16 | 1896 | Low | Satisfactory |
| Nottingham Eagle County | 36 | 1936 | Significant | Fair |
| Nucla 3rd Ave Reservoir Montrose County | 13 | 1940 | Significant | Fair |
| Nucla Domestic Montrose County | 38 | 1957 | Low | Satisfactory |
| Oaks Grand County | 13 | 1890 | Low | Not Rated |
| Oasis Delta County | 22 | 1906 | Low | Fair |
| Oberon Lake No. 1 Jefferson County | 28 | 1887 | Low | Not Rated |
| O'Brien #1 Yuma County | 25 | 1959 | Low | Fair |
| Offield Moffat County | 22 | 1914 | High | Unsatisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.