Mcclennahan Lake No 2 Dam is an earth dam located in Bandera County, Texas, built in 1964. It carries a Significant hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 360 ft long, taller than 80% 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 Mcclennahan Lake No 2 Dam
The primary purpose of Mcclennahan Lake No 2 Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Brian Weiner (private). It impounds the Pigeon Roost Creek.
The dam stands 35 feet tall and stretches 360 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1964, 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 04/13/2009. That was over 17 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Texas |
| County | Bandera |
| River/Stream | Pigeon Roost Creek |
| Coordinates | 29.67195, -99.34122 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 360 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 10,750 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Brian Weiner |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/13/2009 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX02901 |
| Federal ID | TX02901 |
| More Info | State Dam Safety Program |