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 51–63 of 63
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Swan Buffalo Detention Dam 5 Cass County | 39 | 1961 | Significant | Not Rated |
| Swan Buffalo Detention Dam 8 Cass County | 32 | 1968 | Significant | Not Rated |
| Tewaukon Ws-T-1-A Dam Sargent County | 44 | 1963 | Significant | Not Rated |
| Tewaukon Ws-T-7 Sargent County | 50 | 1961 | Significant | Not Rated |
| Tolna Dam 1 Nelson County | 36 | 1936 | Significant | Not Rated |
| Unknown Dam Williams County | 15 | — | Significant | Not Rated |
| Upper Maple River Dam Steele County | 35 | 2015 | Significant | Not Rated |
| Upper Turtle River Flood Ret. 1 Grand Forks County | 38 | 1977 | Significant | Not Rated |
| Upper Turtle River Flood Ret. 8 Grand Forks County | 35 | 1973 | Significant | Not Rated |
| Weiler Dam Pembina County | 39 | 1957 | Significant | Not Rated |
| Whitman Dam Nelson County | 49 | 1965 | Significant | Not Rated |
| Willow Cr-Park R Detdam#1 Pembina County | 28 | 1968 | Significant | Not Rated |
| Yanktonai Dam McLean County | 21 | 1935 | Significant | Not Rated |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.