Madrona Ranch Lake Dam is an earth dam located in Bandera County, Texas, built in 1968. It carries a Significant hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 150 ft long, taller than 68% 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 Madrona Ranch Lake Dam
The primary purpose of Madrona 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 David Berry;david Valdez;joann Lagedrost;lohren Stevenson (private). It impounds the Red Bluff Creek.
The dam stands 30 feet tall and stretches 150 feet across, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 08/24/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Bandera |
| River/Stream | Red Bluff Creek |
| Coordinates | 29.74065, -98.86303 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 150 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 20 acre-ft |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | David Berry;david Valdez;joann Lagedrost;lohren Stevenson |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05851 |
| Federal ID | TX05851 |
| More Info | State Dam Safety Program |