Dams in Mercer County, North Dakota
24Total Dams
1High Hazard
0Significant
Dam Safety in Mercer County, North Dakota
Mercer County has 24 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in Mercer County is 35 years old. The most common purpose is other. The tallest dam is Knife River Coal Pond 30 at 69 ft.
Explore more: Oldest dams in North Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Beulah Flood Control Dam | High | Satisfactory | 52 | Flood Risk Reduction | 1982 |
| Knife River Coal Pond 30 | Low | Not Rated | 69 | Other | 1988 |
| Glenharold Mine 144-84-19-5h | Low | Not Rated | 56 | Fish and Wildlife Pond | 1975 |
| Schaefer Dam; Norman M | Low | Not Rated | 47 | Fire Protection, Stock, Or Small Fish Pond | 2003 |
| Knife River Coal Pond 52 | Low | Not Rated | 38 | Other | 1990 |
| Knife River Coal Pond 03 | Low | Not Rated | 35 | Other | 1990 |
| Harmony Lake | Low | Not Rated | 32 | Recreation | 1998 |
| Knife River Coal Pond 11 | Low | Not Rated | 29 | Other | 1990 |
| Sediment Pond P-w32-02 | Low | Not Rated | 28 | Other | 2006 |
| Knife River Coal Pond 81 | Low | Not Rated | 25 | Other | 1986 |
| Consolidation Coal Co Pd 005 | Low | Not Rated | 25 | Fish and Wildlife Pond | 1984 |
| Sediment Pond P-d15-03 | Low | Not Rated | 24 | Other | |
| Glenharold Mine Coyote Way 4 | Low | Not Rated | 23 | Fish and Wildlife Pond | 1994 |
| Stephens Dam; Wilbur | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1984 |
| Sommer Dam; Gerald | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 2017 |
| Low | Not Rated | 20 | Other | ||
| Low | Not Rated | 20 | Other | ||
| Wolff Dam; Armon 4 | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Low | Not Rated | 18 | Other | ||
| Kessler Dam; Kim | Low | Not Rated | 14 | Fire Protection, Stock, Or Small Fish Pond | 2001 |
| Indian Head Mine Pd P-m30-01 | Low | Not Rated | 13 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Sedimentation Pond P-w08-04 | Low | Not Rated | 10 | Other | 2021 |
| Nd State Land Dept 36-05 | Low | Not Rated | 9 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Low | Not Rated | 8 | Other |