Lake Apache Dam
Lake Apache Dam is an earth dam located in Montgomery County, Texas, built in 1960. It carries a High hazard potential classification.
About Lake Apache Dam
The primary purpose of Lake Apache Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Stagecoach (local government). It impounds the Sulphur Branch near Stagecoach.
The dam stands 19 feet tall and stretches 940 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 273 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1960, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/12/2023.
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 | Montgomery |
| Nearest City | Stagecoach |
| River/Stream | Sulphur Branch |
| Coordinates | 30.14262, -95.71053 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 18 ft |
| Dam Length | 940 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 273 acre-ft |
| Max Storage | 273 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,891 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF STAGECOACH |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 07/12/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00086 |
| Federal ID | TX00086 |
| More Info | State Dam Safety Program |