Upper Lake Los Manzanos Dam is a buttress dam located in Kerr County, Texas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 250 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Upper Lake Los Manzanos Dam
The primary purpose of Upper Lake Los Manzanos Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fronie Shelton (private). It impounds the Johnson Creek near Ingram.
The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 04/13/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Kerr |
| Nearest City | Ingram |
| River/Stream | Johnson Creek |
| Coordinates | 30.16353, -99.35560 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 250 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Fronie Shelton |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/13/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05820 |
| Federal ID | TX05820 |
| More Info | State Dam Safety Program |