Isham Dam 9878 is an earth dam located in Dawes County, Nebraska, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 1,000 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 Isham Dam 9878
The primary purpose of Isham Dam 9878 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 R William Isham III (private). It impounds the Tr-madden Creek.
The dam stands 19 feet tall and stretches 1,000 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 224 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 07/31/2019.
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Location
| State | Nebraska |
| County | Dawes |
| Nearest City | None |
| River/Stream | Tr-madden Creek |
| Coordinates | 42.97459, -103.02524 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 224 acre-ft |
| Max Storage | 224 acre-ft |
| Normal Storage | 107 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | R William Isham III |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/31/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE09878 |
| Federal ID | NE09878 |
| More Info | State Dam Safety Program |