Lone Man Dam is a buttress dam located in Hays County, Texas. It carries a Significant hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 120 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Lone Man Dam
Lone Man Dam is a dam in Hays, Texas. The dam is owned by Red Hawk Rd Association (private). It impounds the Lone Man Creek.
The dam stands 13 feet tall and stretches 120 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 17 acre-feet, and collects water from a drainage area of 5 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 07/13/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Hays |
| River/Stream | Lone Man Creek |
| Coordinates | 30.00752, -98.04659 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 120 ft |
Storage & Hydraulics
| NID Storage | 17 acre-ft |
| Max Storage | 17 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 17,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Red Hawk Rd Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/13/2009 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX09436 |
| Federal ID | TX09436 |
| More Info | State Dam Safety Program |