Peterson Grade Stabilization Dam
Peterson Grade Stabilization Dam is an earth dam located in Harlan County, Nebraska, built in 1970. It carries a Low hazard potential classification and has a poor condition assessment.
About Peterson Grade Stabilization Dam
Peterson Grade Stabilization Dam is a dam in Harlan, Nebraska. The dam is owned by Harlan County Road Department (local government). It impounds the Tr-school Creek near Orleans.
The dam stands 26 feet tall and stretches 435 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 198 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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 07/22/2019.
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Location
| State | Nebraska |
| County | Harlan |
| Nearest City | Orleans |
| River/Stream | Tr-school Creek |
| Coordinates | 40.32137, -99.47851 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 435 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Max Storage | 198 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 158 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Harlan County Road Department |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/22/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02286 |
| Federal ID | NE02286 |
| More Info | State Dam Safety Program |