Gronaas Dam; Clemet is an earth dam located in Nelson County, North Dakota, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 400 ft long. 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 Gronaas Dam; Clemet
The primary purpose of Gronaas Dam; Clemet is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Clemet Gronaas (private). It impounds the Sheyenne River-tr near N.
The dam stands 11 feet tall and stretches 400 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 121 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, the structure is well into its service life at over 50 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 | Nelson |
| Nearest City | N |
| River/Stream | Sheyenne River-tr |
| Coordinates | 47.72126, -98.45332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 400 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Clemet Gronaas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00814 |
| Federal ID | ND00814 |
| More Info | State Dam Safety Program |