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 476–500 of 786
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Nikolaisen Dam Tract 18 Towner County | 11 | 1995 | Low | Fair |
| Njos Dam; Lores 1 Bowman County | 14 | 2000 | Low | Not Rated |
| Noonan Park Dam Divide County | 14 | 1934 | Low | Not Rated |
| Nora Township Dam LaMoure County | 15 | 1936 | Low | Not Rated |
| Nordell Dam Williams County | 29 | 1962 | Low | Not Rated |
| North Bay Dam Sargent County | 18 | 1965 | Low | Satisfactory |
| North Golden Lake Steele County | 13 | 1957 | Low | Not Rated |
| Northrup Dam; Max Golden Valley County | 21 | 1977 | Low | Not Rated |
| North Salt Lake Dam Walsh County | 7 | 1971 | Low | Not Rated |
| North Star Dam Burke County | 11 | 1939 | Low | Not Rated |
| Nygaard Dam; Peter A McKenzie County | 16 | 1967 | Low | Not Rated |
| Nygaard Dam; Terrence Bowman County | 16 | 1998 | Low | Not Rated |
| Nygren Dam Morton County | 37 | 1967 | Low | Not Rated |
| Obach Dam; Mike 2 Stark County | 8 | 2001 | Low | Not Rated |
| Obach Dam; Mike 2 Stark County | 16 | 2012 | Low | Not Rated |
| Odland Dam Golden Valley County | 28 | 1936 | Low | Not Rated |
| Olander Dam; Brian Oliver County | 24 | 1995 | Low | Not Rated |
| Olga Dam Cavalier County | 69 | 1955 | Low | Not Rated |
| Olien Dam; Byron Hettinger County | 7 | 1998 | Low | Not Rated |
| Olson Dam; Myron Slope County | 12 | 2000 | Low | Not Rated |
| Olson Dam; Oakley Bowman County | 31 | 1970 | Low | Not Rated |
| Olson Dam; Roger Williams County | 23 | 1980 | Low | Not Rated |
| Olson Dam; Steven Barnes County | 25 | 1965 | Low | Not Rated |
| Olson Fish Dam; Willard Williams County | 50 | 1969 | Low | Not Rated |
| Opp Dam; Marvin Morton County | 20 | 2005 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.