Purple Sage Ranch Lake Dam is an earth dam located in Bandera County, Texas, built in 1947. It carries a High hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,430 ft long, taller than 50% 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 Purple Sage Ranch Lake Dam
The primary purpose of Purple Sage Ranch Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Champion Domain LLC (private). It impounds the Tr-medina River.
The dam stands 25 feet tall and stretches 1,430 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 342 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 01/31/2019. That was 7 years ago, which is on the longer end for a high-hazard structure.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Bandera |
| River/Stream | Tr-medina River |
| Coordinates | 29.74478, -99.03155 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 22 ft |
| Dam Length | 1,430 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 342 acre-ft |
| Max Storage | 342 acre-ft |
| Normal Storage | 167 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,733 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Champion Domain LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 01/31/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02899 |
| Federal ID | TX02899 |
| More Info | State Dam Safety Program |