Nielsville is an earth dam located in Polk County, Minnesota, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 100 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 Nielsville
The primary purpose of Nielsville 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 Brekke, Robert Sr. (private). It impounds the Red River-tr near East Grand Forks.
The dam stands 22 feet tall and stretches 100 feet across, and has a maximum storage capacity of 110 acre-feet. Completed in 1962, 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. The most recent inspection on record was 07/25/1996. That was over 30 years ago.
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Location
| State | Minnesota |
| County | Polk |
| Nearest City | East Grand Forks |
| River/Stream | Red River-tr |
| Coordinates | 47.53949, -96.83538 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 16 ft |
| Dam Length | 100 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 61 acre-ft |
| Max Discharge | 200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Brekke, Robert Sr. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/25/1996 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00009 |
| Federal ID | MN00009 |
| More Info | State Dam Safety Program |