Lower Ellison Lake Dam is an earth dam located in Starr County, Texas, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 975 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 Lower Ellison Lake Dam
Lower Ellison Lake Dam is a dam in Starr, Texas. The dam is owned by Estate of Tg Ellison (private). It impounds the Tr-rio Grande.
The dam stands 17 feet tall and stretches 975 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 136 acre-feet. Completed in 1959, 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.
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Location
| State | Texas |
| County | Starr |
| River/Stream | Tr-rio Grande |
| Coordinates | 26.45832, -98.86021 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 975 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | None |
Ownership & Safety
| Owner | Estate of Tg Ellison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01701 |
| Federal ID | TX01701 |
| More Info | State Dam Safety Program |