Harmony Lake is an earth dam located in Mercer County, North Dakota, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Harmony Lake
The primary purpose of Harmony Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nd Game & Fish (state). It impounds the East Antelope Creek near N.
The dam stands 32 feet tall, creates a reservoir covering 44 acres, has a maximum storage capacity of 1,290 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1998, the structure is 28 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | North Dakota |
| County | Mercer |
| Nearest City | N |
| River/Stream | East Antelope Creek |
| Coordinates | 47.38407, -101.64510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 1,290 acre-ft |
| Max Storage | 1,290 acre-ft |
| Normal Storage | 496 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 14 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nd Game & Fish |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00871 |
| Federal ID | ND00871 |
| More Info | State Dam Safety Program |