Herny Dam is an earth dam located in Boone County, Missouri, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall. 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 Herny Dam
The primary purpose of Herny Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Unknown (private). It impounds the Jemerson Creek near Ashland.
The dam stands 15 feet tall, creates a reservoir covering 8 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 145 square miles. Completed in 1965, 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.
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Location
| State | Missouri |
| County | Boone |
| Nearest City | Ashland |
| River/Stream | Jemerson Creek |
| Coordinates | 38.76886, -92.30100 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 145 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Unknown |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30909 |
| Federal ID | MO30909 |
| More Info | State Dam Safety Program |