Lewis Dam 681 is an earth dam located in Webster County, Nebraska, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 262 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 Lewis Dam 681
The primary purpose of Lewis Dam 681 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 T-l Irrigation (private). It impounds the W Penny Creek near Red Cloud.
The dam stands 20 feet tall and stretches 262 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, 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 06/05/2023.
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Location
| State | Nebraska |
| County | Webster |
| Nearest City | Red Cloud |
| River/Stream | W Penny Creek |
| Coordinates | 40.02628, -98.56793 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 262 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 602 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | T-l Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/05/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00681 |
| Federal ID | NE00681 |
| More Info | State Dam Safety Program |