Laguna Atascosa Crossing #1 Dam is an earth dam located in Cameron County, Texas, built in 1952. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 800 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 Laguna Atascosa Crossing #1 Dam
The primary purpose of Laguna Atascosa Crossing #1 Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by US Fish and Wildlife Service (federal). It impounds the Cayo Atascosa.
The dam stands 8 feet tall and stretches 800 feet across, creates a reservoir covering 3,456 acres, has a maximum storage capacity of 34,579 acre-feet, and collects water from a drainage area of 94 square miles. Completed in 1952, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/22/2016. That was over 10 years ago.
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Location
| State | Texas |
| County | Cameron |
| River/Stream | Cayo Atascosa |
| Coordinates | 26.26778, -97.39528 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 800 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 34,579 acre-ft |
| Max Storage | 34,579 acre-ft |
| Normal Storage | 12,800 acre-ft |
| Surface Area | 3,456 acres |
| Drainage Area | 94 sq mi |
| Max Discharge | 2,142 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US Fish and Wildlife Service |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/22/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX07163 |
| Federal ID | TX07163 |
| More Info | State Dam Safety Program |