Spohn Ranch Lake Dam
Spohn Ranch Lake Dam is an earth dam located in Webb County, Texas, built in 1965. It carries a High hazard potential classification.
About Spohn Ranch Lake Dam
Spohn Ranch Lake Dam is a dam in Webb, Texas. The dam is owned by Middleton Interests Ltd (private). It impounds the Cochio Creek.
The dam stands 15 feet tall and stretches 15,700 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 2,348 acre-feet, and collects water from a drainage area of 29 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 01/30/2024.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Webb |
| River/Stream | Cochio Creek |
| Coordinates | 27.94384, -99.62846 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 15,700 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 2,348 acre-ft |
| Max Storage | 2,348 acre-ft |
| Normal Storage | 102 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 29 sq mi |
| Max Discharge | 6,442 cfs |
Ownership & Safety
| Owner | MIDDLETON INTERESTS LTD |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 01/30/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX05436 |
| Federal ID | TX05436 |
| More Info | State Dam Safety Program |