Roy Jennings Lake Dam is an earth dam located in Zapata County, Texas, built in 1972. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,650 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 Roy Jennings Lake Dam
The primary purpose of Roy Jennings Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Roy Jennings (private). It impounds the Los Ovejo Creek.
The dam stands 22 feet tall and stretches 1,650 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 313 acre-feet. Completed in 1972, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Zapata |
| River/Stream | Los Ovejo Creek |
| Coordinates | 27.12033, -99.14159 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,650 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 313 acre-ft |
| Max Storage | 313 acre-ft |
| Normal Storage | 185 acre-ft |
| Surface Area | 26 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Roy Jennings |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02390 |
| Federal ID | TX02390 |
| More Info | State Dam Safety Program |