Kostal Hawthorne Dam is an earth dam located in Hamilton County, Nebraska, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 39 ft39 ft tall and 910 ft long, taller than 85% 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 Kostal Hawthorne Dam
Kostal Hawthorne Dam is a dam in Hamilton, Nebraska. The dam is owned by Andrew J Wilson (private). It impounds the Tr-w Fk Big Blue River near Stockham.
The dam stands 39 feet tall and stretches 910 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 1,078 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1972, 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. 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 09/11/2019.
At 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Nebraska |
| County | Hamilton |
| Nearest City | Stockham |
| River/Stream | Tr-w Fk Big Blue River |
| Coordinates | 40.75635, -98.10335 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 35 ft |
| Dam Length | 910 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 1,078 acre-ft |
| Max Storage | 1,078 acre-ft |
| Normal Storage | 118 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,342 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Andrew J Wilson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/11/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00110 |
| Federal ID | NE00110 |
| More Info | State Dam Safety Program |