Norman Leach Dam
Norman Leach Dam is an earth dam located in Polk County, Nebraska, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
About Norman Leach Dam
Norman Leach Dam is a dam in Polk, Nebraska. The dam is owned by Chad D Conkling (private). It impounds the Tr-davis Creek near Osceola.
The dam stands 17 feet tall and stretches 469 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 05/01/2019.
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Location
| State | Nebraska |
| County | Polk |
| Nearest City | Osceola |
| River/Stream | Tr-davis Creek |
| Coordinates | 41.18797, -97.60752 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 15 ft |
| Dam Length | 469 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 222 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Chad D Conkling |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/01/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00013 |
| Federal ID | NE00013 |
| More Info | State Dam Safety Program |