Oklahoma Dams
4,984 dams tracked by the National Inventory of Dams
Total Dams
4,984
High Hazard
421
8.4%
Poor / Unsatisfactory
60
Average Age
61 yrs
Hazard Classification
High421 (8.4%)
Significant208 (4.2%)
Low4,301 (86.3%)
Condition Assessment
Satisfactory70 (1.4%)
Fair455 (9.1%)
Poor / Unsatisfactory60 (1.2%)
Not Rated4,399 (88.3%)
Federal
106
State
2,149
Local
206
Private
2,505
Tallest Dams
- Broken Bow Dam225 ft
- Tenkiller Ferry Dam197 ft
- Chimney Rock Pump Storage 195 ft
- Stan Raetz Dam174 ft
- Denison Dam165 ft
High Hazard Dams
Poor Condition Dams
- Chimney Rock Pump Storage Poor
- Lake EllsworthUnsatisfactory
- Lake Carl BlackwellPoor
- Okmulgee LakePoor
- Shell Creek Lake DamPoor
All Dams in Oklahoma
Showing 3726–3750 of 4,984
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| No Name Grady County | 29 | 1976 | Low | Not Rated |
| No Name Grady County | 29 | 1978 | Low | Not Rated |
| No Name Caddo County | 25 | — | Low | Not Rated |
| No Name Grady County | 30 | 1976 | Low | Not Rated |
| Nolan Pool Pond No. 1 Stephens County | 28 | — | Low | Not Rated |
| Nola Christensen Custer County | 25 | 1984 | Low | Not Rated |
| Noftsger M Lawrence & G Oklahoma County | 22 | 1968 | Low | Not Rated |
| Noel Kaiser Dam Custer County | 43 | 2007 | Low | Not Rated |
| Noel Burns McCurtain County | 46 | 1940 | Low | Not Rated |
| Noble-Sea Cattle Co. - West Dam Carter County | 15 | 1934 | Low | Not Rated |
| Noble-Sea Cattle Co. - East Dam Carter County | 20 | 1934 | Low | Not Rated |
| Noble Dam Cherokee County | 55 | — | Low | Not Rated |
| Noble Carter County | 15 | 1946 | Low | Not Rated |
| Nix Glen Pottawatomie County | 28 | 1974 | Low | Not Rated |
| Niles Ranch Dam Canadian County | 48 | 2009 | Significant | Satisfactory |
| Nighswonger Harper County | 28 | — | Low | Not Rated |
| Nicolson W. Major County | 20 | 1955 | Low | Not Rated |
| Nickles Bryan County | 15 | 1975 | Low | Not Rated |
| Nickel B Bryan County | 20 | 1970 | Low | Not Rated |
| Nichols Lake Okmulgee County | 37 | 1910 | High | Poor |
| Nichols Johnston County | 24 | 1940 | Low | Not Rated |
| Newt Graham Lock and Dam Wagoner County | 48 | 1970 | Significant | Not Available |
| New Spiro Le Flore County | 20 | 1960 | Low | Not Rated |
| Newman Pe Okmulgee County | 27 | 1950 | Low | Not Rated |
| Newkirk Lake Kay County | 20 | 1940 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.