Connally Lake No 1 Dam is an earth dam located in Wilson County, Texas, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,100 ft long, taller than 50% 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 Connally Lake No 1 Dam
Connally Lake No 1 Dam is a dam in Wilson, Texas. The dam is owned by Merrill Connally (private). It impounds the Tr-picosa Creek.
The dam stands 25 feet tall and stretches 1,100 feet across, and has a maximum storage capacity of 850 acre-feet. Completed in 1970, 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 12/06/1983. That was over 42 years ago.
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Location
| State | Texas |
| County | Wilson |
| River/Stream | Tr-picosa Creek |
| Coordinates | 29.12000, -98.21667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 850 acre-ft |
| Max Storage | 850 acre-ft |
| Normal Storage | 440 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | Merrill Connally |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/06/1983 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03691 |
| Federal ID | TX03691 |
| More Info | State Dam Safety Program |