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 201–225 of 691
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| North Poudre # 4 Larimer County | 24 | 1956 | Significant | Satisfactory |
| North Poudre # 3 Larimer County | 39 | 1980 | High | Satisfactory |
| North Poudre # 2 Larimer County | 33 | 1955 | High | Satisfactory |
| North Poudre #15 Larimer County | 53 | 1949 | High | Satisfactory |
| North Poudre #1 Larimer County | 16 | 1885 | Significant | Satisfactory |
| North Michigan Creek Jackson County | 75 | 1963 | Significant | Satisfactory |
| Northglenn Terminal Adams County | 28 | 1981 | Significant | Satisfactory |
| North Fork Chaffee County | 35 | 1953 | High | Satisfactory |
| Northfield El Paso County | 34 | 1955 | Low | Satisfactory |
| North Catamount Teller County | 210 | 1959 | High | Satisfactory |
| Noonen Arapahoe County | 42 | 1907 | Low | Satisfactory |
| Nofstger Routt County | 16 | 1908 | Low | Satisfactory |
| N. Mills Clarifying Dam Pueblo County | 33 | 1975 | Low | Satisfactory |
| Niver Creek Detention Adams County | 42 | 1978 | High | Satisfactory |
| Nissen #2 Broomfield County | 9 | 1974 | High | Satisfactory |
| Nienhuser Lincoln County | 14 | 1924 | Low | Satisfactory |
| Newton Gulch Routt County | 41 | 1907 | Low | Satisfactory |
| New Thomas Weld County | 57 | 1976 | Significant | Satisfactory |
| Nee-Noshe Kiowa County | 25 | 1896 | Significant | Satisfactory |
| Native Lake Archuleta County | 26 | 1970 | Low | Satisfactory |
| Narraguinnep - Dam 3 Montezuma County | 38 | 1957 | High | Satisfactory |
| Narraguinnep - Dam 2 Montezuma County | 23 | 1957 | High | Satisfactory |
| Nakomis Lake Larimer County | 18 | 1920 | Low | Satisfactory |
| Myron Isabel Weld County | 27 | — | Low | Satisfactory |
| Musgrave Grand County | 40 | 1958 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.