Lower City Lake Dam
Lower City Lake Dam is an earth dam located in Maverick County, Texas, built in 1966. It carries a High hazard potential classification.
About Lower City Lake Dam
The primary purpose of Lower City Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Maverick County (local government). It impounds the Offchannel-rio Grande near Eagle Pass.
The dam stands 18 feet tall and stretches 1,480 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 70 acre-feet. Completed in 1966, 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 02/21/2024.
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 | Maverick |
| Nearest City | Eagle Pass |
| River/Stream | Offchannel-rio Grande |
| Coordinates | 28.70276, -100.47765 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 1,480 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MAVERICK COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 02/21/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX05965 |
| Federal ID | TX05965 |
| More Info | State Dam Safety Program |