Mathiesen Dam 2720 is an earth dam located in Washington County, Nebraska, built in 2003. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 37 ft37 ft tall and 425 ft long, taller than 83% 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 Mathiesen Dam 2720
Mathiesen Dam 2720 is a dam in Washington, Nebraska. The dam is owned by French Village LP (private). It impounds the Tr-new York Creek near Herman.
The dam stands 37 feet tall and stretches 425 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 21 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2003, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/12/2021.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Nebraska |
| County | Washington |
| Nearest City | Herman |
| River/Stream | Tr-new York Creek |
| Coordinates | 41.60550, -96.26692 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 33 ft |
| Dam Length | 425 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 21 acre-ft |
| Max Storage | 21 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 142 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | French Village LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/12/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02720 |
| Federal ID | NE02720 |
| More Info | State Dam Safety Program |