Pawnee Lake Dam is an earth dam located in Webster County, Nebraska, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 1,620 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 Pawnee Lake Dam
The primary purpose of Pawnee Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Webster County Highway Superintendent (local government). It impounds the Tr-republican River near Guide Rock.
The dam stands 7 feet tall and stretches 1,620 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 211 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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. The most recent inspection on record was 09/18/2023.
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Location
| State | Nebraska |
| County | Webster |
| Nearest City | Guide Rock |
| River/Stream | Tr-republican River |
| Coordinates | 40.07184, -98.36815 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,620 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Webster County Highway Superintendent |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE03699 |
| Federal ID | NE03699 |
| More Info | State Dam Safety Program |