Holyrood Lake is an earth dam located in Ellsworth County, Kansas, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 825 ft long, taller than 82% of U.S. dams with a recorded height. 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 Holyrood Lake
The primary purpose of Holyrood Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Holyrood, City of (local government). It impounds the Wolf Creek-tr near Ellsworth.
The dam stands 36 feet tall and stretches 825 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 316 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1937, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 03/11/2015. That was over 11 years ago.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Kansas |
| County | Ellsworth |
| Nearest City | Ellsworth |
| River/Stream | Wolf Creek-tr |
| Coordinates | 38.68819, -98.39803 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 22 ft |
| Dam Length | 825 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 316 acre-ft |
| Max Storage | 316 acre-ft |
| Normal Storage | 116 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 4,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Holyrood, City of |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/11/2015 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS02541 |
| Federal ID | KS02541 |
| More Info | State Dam Safety Program |