Jarchow Dam
Jarchow Dam is an earth dam located in Jefferson County, Nebraska, built in 1968. It carries a Low hazard potential classification and has a poor condition assessment.
About Jarchow Dam
Jarchow Dam is a dam in Jefferson, Nebraska. The dam is owned by Galen W & Sondra Drees (private). It impounds the Tr-swan Creek near Swanton.
The dam stands 15 feet tall and stretches 530 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/09/2022.
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Location
| State | Nebraska |
| County | Jefferson |
| Nearest City | Swanton |
| River/Stream | Tr-swan Creek |
| Coordinates | 40.31437, -97.20478 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 13 ft |
| Dam Length | 530 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 244 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Galen W & Sondra Drees |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/09/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00204 |
| Federal ID | NE00204 |
| More Info | State Dam Safety Program |