North Dakota Dams
948 dams tracked by the National Inventory of Dams
Total Dams
948
High Hazard
54
5.7%
Poor / Unsatisfactory
35
Average Age
59 yrs
Hazard Classification
High54 (5.7%)
Significant63 (6.6%)
Low786 (82.9%)
Condition Assessment
Satisfactory25 (2.6%)
Fair36 (3.8%)
Poor / Unsatisfactory35 (3.7%)
Not Rated852 (89.9%)
Federal
153
State
42
Local
307
Private
436
Tallest Dams
- Garrison Dam210 ft
- Heart Butte Dam142 ft
- Pipestem Dam110 ft
- Jamestown Dam110 ft
- Senator Young Dam96 ft
High Hazard Dams
- Garrison DamHigh
- Heart Butte DamHigh
- Pipestem DamHigh
- Jamestown DamHigh
- Senator Young DamHigh
Poor Condition Dams
- Senator Young DamPoor
- Matejcek DamPoor
- Olson DamPoor
- Bylin DamPoor
- Fordville DamPoor
All Dams in North Dakota
Showing 776–800 of 948
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Techanko Dam; Terry 2 Billings County | 13 | 2001 | Low | Not Rated |
| Temvik Dam Emmons County | 17 | 1938 | Low | Not Rated |
| Ten Broek Dam; Merril 2 Sioux County | 14 | 1996 | Low | Not Rated |
| Tewaukon Nwr Pool 3n Sargent County | 11 | 1989 | Low | Not Rated |
| Tewaukon Nwr Pool 5 Sargent County | 10 | 1960 | Low | Not Rated |
| Tewaukon Nwr Pool 8n Sargent County | 10 | — | Low | Not Rated |
| Tewaukon Pool 2a Dam Sargent County | 7 | 1960 | Low | Fair |
| Tewaukon Pool 7a Dam Sargent County | 7 | 1960 | Low | Satisfactory |
| Tewaukon Pool 7 Dam Sargent County | 8 | 1960 | Low | Fair |
| Tewaukon Pool 8 Dam Sargent County | 10 | 1960 | Low | Fair |
| Tewaukon Ws-T-1-A Dam Sargent County | 44 | 1963 | Significant | Not Rated |
| Tewaukon WS T-2 Sargent County | 41 | 1965 | Low | Not Rated |
| Tewaukon Ws-T-7 Sargent County | 50 | 1961 | Significant | Not Rated |
| Thiel Dam; Donavon & D. Morton County | 13 | 1997 | Low | Not Rated |
| Thompson Dam; Norman 1 Wells County | 22 | 1968 | Low | Not Rated |
| Thompson Dam; Robert Bowman County | 14 | 1930 | Low | Not Rated |
| Thoreson-Monson Dam Barnes County | 40 | 1966 | Low | Not Rated |
| Thyberg Dam; Marvelin McLean County | 25 | 1967 | Low | Not Rated |
| Tierrecita Vallejo Ward County | 8 | 1976 | Low | Not Rated |
| Tioga Dam Williams County | 39 | 1963 | High | Poor |
| Tolna Dam 1 Nelson County | 36 | 1936 | Significant | Not Rated |
| Tomahawk Dam Barnes County | 11 | 1936 | Low | Poor |
| Torrison Dam; George Eddy County | 30 | 1953 | Low | Not Rated |
| Triebold Dam; Vernon Barnes County | 22 | 1969 | Low | Not Rated |
| Turnbow Development Corp Burleigh County | 15 | 1992 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.