Cox Reservoir Dam is an earth dam located in Frio County, Texas, built in 1972. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 1,400 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 Cox Reservoir Dam
The primary purpose of Cox Reservoir Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Luckey Custom Feedlot Inc (private). It impounds the Tr-chacon Creek.
The dam stands 18 feet tall and stretches 1,400 feet across, has a maximum storage capacity of 419 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 03/17/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Frio |
| River/Stream | Tr-chacon Creek |
| Coordinates | 29.08829, -98.90400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 17 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 419 acre-ft |
| Max Storage | 419 acre-ft |
| Normal Storage | 243 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 507 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Luckey Custom Feedlot Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/17/2009 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX01720 |
| Federal ID | TX01720 |
| More Info | State Dam Safety Program |