Hays County Park Lake Dam is a gravity dam located in Hays County, Texas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 315 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 Hays County Park Lake Dam
The primary purpose of Hays County Park Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hays County (local government). It impounds the Blanco River near San Marcos.
The dam stands 8 feet tall and stretches 315 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 60 acre-feet. Completed in 1964, 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 | Texas |
| County | Hays |
| Nearest City | San Marcos |
| River/Stream | Blanco River |
| Coordinates | 29.94048, -97.90160 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 315 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hays County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04659 |
| Federal ID | TX04659 |
| More Info | State Dam Safety Program |