Hornung Dam; Greg 1 is an earth dam located in Cavalier County, North Dakota, built in 2020. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall. 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 Hornung Dam; Greg 1
The primary purpose of Hornung Dam; Greg 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Greg Hournung (private). It impounds the Pembina River - Tr.
The dam stands 14 feet tall, creates a reservoir covering 21 acres, has a maximum storage capacity of 297 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2020, the structure is relatively new.
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 | Cavalier |
| River/Stream | Pembina River - Tr |
| Coordinates | 48.89475, -97.99857 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Year Completed | 2020 (6 years old) |
Storage & Hydraulics
| NID Storage | 297 acre-ft |
| Max Storage | 297 acre-ft |
| Normal Storage | 203 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Greg Hournung |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND01182 |
| Federal ID | ND01182 |
| More Info | State Dam Safety Program |