Alkek Lake No 1 Dam
Alkek Lake No 1 Dam is an earth dam located in Bandera County, Texas, built in 1960. It carries a Significant hazard potential classification.
About Alkek Lake No 1 Dam
The primary purpose of Alkek Lake No 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Flying A Ranch (private). It impounds the San Julian Creek near Bandera.
The dam stands 36 feet tall and stretches 360 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 423 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1960, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 03/22/2011. That was over 15 years ago.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Texas |
| County | Bandera |
| Nearest City | Bandera |
| River/Stream | San Julian Creek |
| Coordinates | 29.69984, -99.04565 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 360 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 423 acre-ft |
| Max Storage | 423 acre-ft |
| Normal Storage | 274 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 13,871 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | FLYING A RANCH |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 03/22/2011 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02898 |
| Federal ID | TX02898 |
| More Info | State Dam Safety Program |