40 Acre Lake Dam
40 Acre Lake Dam is an earth dam located in Fort Bend County, Texas, built in 1960. It carries a Low hazard potential classification.
About 40 Acre Lake Dam
The primary purpose of 40 Acre Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Texas Parks And Wildlife Department (state). It impounds the Off Ch-big Creek.
The dam stands 7 feet tall and stretches 2,600 feet across, and has a maximum storage capacity of 112 acre-feet. Completed in 1960, 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. The most recent inspection on record was 02/02/1983. That was over 43 years ago.
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Location
| State | Texas |
| County | Fort Bend |
| River/Stream | Off Ch-big Creek |
| Coordinates | 29.37128, -95.62298 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 2,600 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 60 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | TEXAS PARKS AND WILDLIFE DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 02/02/1983 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05869 |
| Federal ID | TX05869 |
| More Info | State Dam Safety Program |