Knapple
Knapple is an earth dam located in Gosper County, Nebraska, built in 1941. It carries a Low hazard potential classification.
About Knapple
The primary purpose of Knapple is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Central Nebraska Public Power & Irrigation District (public utility).
The dam stands 33 feet tall and stretches 328 feet across, creates a reservoir covering 38 acres, and has a maximum storage capacity of 400 acre-feet. Completed in 1941, the structure is well-established, with more than 75 years of service.
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 05/25/2017.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Nebraska |
| County | Gosper |
| Coordinates | 40.67817, -99.75013 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 328 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 325 acre-ft |
| Surface Area | 38 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Central Nebraska Public Power & Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Last Inspection | 05/25/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01022 |
| Federal ID | NE01022 |
| More Info | State Dam Safety Program |