Happy Hollow Lake
Happy Hollow Lake is an earth dam located in Leavenworth County, Kansas, built in 1936. It carries a Low hazard potential classification.
About Happy Hollow Lake
The primary purpose of Happy Hollow Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leavenworth County (local government). It impounds the Salt Creek-tr near Leavenworth.
The dam stands 37 feet tall and stretches 550 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1936, 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 01/20/2005. That was over 21 years ago.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Kansas |
| County | Leavenworth |
| Nearest City | Leavenworth |
| River/Stream | Salt Creek-tr |
| Coordinates | 39.34922, -95.03573 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 32 ft |
| Dam Length | 550 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LEAVENWORTH COUNTY |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Last Inspection | 01/20/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS04476 |
| Federal ID | KS04476 |
| More Info | State Dam Safety Program |