Mecom Lake Dam is an earth dam located in Zapata County, Texas, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 1,125 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 Mecom Lake Dam
The primary purpose of Mecom Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Lannie Mecom Moses Et Al (private). It impounds the Tr-rio Grande.
The dam stands 16 feet tall and stretches 1,125 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 211 acre-feet. Completed in 1967, 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 | Zapata |
| River/Stream | Tr-rio Grande |
| Coordinates | 27.11956, -99.42119 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 1,125 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 109 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Lannie Mecom Moses Et Al |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02397 |
| Federal ID | TX02397 |
| More Info | State Dam Safety Program |