Madrona Dam is an earth dam located in Kerr County, Texas, built in 1963. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 460 ft long. 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 Dam
The primary purpose of Madrona Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Woody Creek Investment Ltd (private). It impounds the Wallace Creek near Medina.
The dam stands 18 feet tall and stretches 460 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 320 acre-feet. Completed in 1963, 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 04/14/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Kerr |
| Nearest City | Medina |
| River/Stream | Wallace Creek |
| Coordinates | 29.91136, -99.30184 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 460 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Woody Creek Investment Ltd |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/14/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05050 |
| Federal ID | TX05050 |
| More Info | State Dam Safety Program |