Semmes Pond Dam is an earth dam located in Gonzales County, Texas, built in 1982. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 780 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 Semmes Pond Dam
The primary purpose of Semmes Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Tom Semmes (private). It impounds the Tr-clear Fork Sandies Creek near Nixon.
The dam stands 15 feet tall and stretches 780 feet across, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 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.
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Location
| State | Texas |
| County | Gonzales |
| Nearest City | Nixon |
| River/Stream | Tr-clear Fork Sandies Creek |
| Coordinates | 29.29023, -97.75651 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 780 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 73 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Tom Semmes |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05901 |
| Federal ID | TX05901 |
| More Info | State Dam Safety Program |