Missouri Dams
5,380 dams tracked by the National Inventory of Dams
Total Dams
5,380
High Hazard
1,476
27.4%
Poor / Unsatisfactory
49
Average Age
51 yrs
Hazard Classification
High1,476 (27.4%)
Significant183 (3.4%)
Low3,721 (69.2%)
Condition Assessment
Satisfactory645 (12.0%)
Fair6 (0.1%)
Poor / Unsatisfactory49 (0.9%)
Not Rated4,680 (87.0%)
Federal
56
State
131
Local
1,298
Private
3,879
Tallest Dams
- Table Rock Dam260 ft
- Brushy Creek Tailings205 ft
- Fletcher Tailings Dam201 ft
- Clarence Cannon Dam188 ft
- New Viburnum Tailings Dam170 ft
High Hazard Dams
Poor Condition Dams
- Fletcher Tailings DamUnsatisfactory
- Gun Club Lake DamUnsatisfactory
- Upper Little Black D-2Unsatisfactory
- Lake Waukomis DamUnsatisfactory
- Sayersbrook DamUnsatisfactory
All Dams in Missouri
Showing 3551–3575 of 5,380
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| O'Korn Lake Dam Lafayette County | 26 | 1975 | Low | Not Rated |
| Old Mines Tailings Dam Washington County | 61 | 1980 | High | Satisfactory |
| Old Viburnum Tailings Dam #1 Iron County | 115 | 1968 | High | Satisfactory |
| Old Wolf Dam Washington County | 48 | 1979 | High | Satisfactory |
| Olenhouse Lake Dam Livingston County | 20 | 1956 | High | Not Rated |
| Oliver Dam Schuyler County | 30 | 1992 | Low | Not Rated |
| Ollie Moore Lower Lake Dam Perry County | 18 | 1954 | Low | Not Rated |
| Olson Dam Monroe County | 25 | 1994 | Low | Not Rated |
| Oneal Dam One Montgomery County | 26 | 1969 | Low | Not Rated |
| Only Way Lake Dam Saline County | 21 | 1930 | High | Not Rated |
| Opfer Lake Dam Lafayette County | 26 | 1973 | Low | Not Rated |
| Oran 25 Club Dam Scott County | 22 | 1954 | Low | Not Rated |
| Ortmeyer Lake Dam Miller County | 25 | 1960 | High | Not Rated |
| Oscar F Juergens Dam Franklin County | 20 | 1969 | Low | Not Rated |
| Oscie Ora Acres Lake Dam Jasper County | 15 | 1968 | Low | Not Rated |
| Otahki Lake Dam Wayne County | 27 | 1965 | Low | Not Rated |
| Overlook Sullivan County | 29 | 1993 | Low | Not Rated |
| Owens Lake Dam-Sect 4 Polk County | 25 | — | Low | Not Rated |
| Owens Lake Dam-Sect 8 Polk County | 20 | 1964 | Low | Not Rated |
| Owl Creek Estates Dam #1 Warren County | 42 | 1970 | High | Satisfactory |
| Owl Creek Estates Dam #2 Warren County | 54 | 1974 | High | Satisfactory |
| Owl Creek Estates Dam #3 Warren County | 49 | 1974 | High | Satisfactory |
| Owl Creek Lake Dam St. Francois County | 32 | — | Low | Not Rated |
| Oyler Lake Dam Ray County | 26 | 1977 | Significant | Not Rated |
| Ozark Beach Taney County | 54 | 1913 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.