Tredway Irrigation Dam is an earth dam located in Hamilton County, Nebraska, built in 1985. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 483 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 Tredway Irrigation Dam
The primary purpose of Tredway Irrigation Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lynn Tredway (private). It impounds the Tr-beaver Creek near York.
The dam stands 16 feet tall and stretches 483 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1985, the structure is 41 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. 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 06/07/2021.
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Location
| State | Nebraska |
| County | Hamilton |
| Nearest City | York |
| River/Stream | Tr-beaver Creek |
| Coordinates | 40.84389, -97.98349 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 14 ft |
| Dam Length | 483 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 81 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lynn Tredway |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/07/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02198 |
| Federal ID | NE02198 |
| More Info | State Dam Safety Program |