Lake Ann Dam is an earth dam located in Montgomery County, Texas, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 857 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 Lake Ann Dam
The primary purpose of Lake Ann Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by San Jacinto Girl Scout Council (private). It impounds the Tr-weirs Creek.
The dam stands 16 feet tall and stretches 857 feet across, and has a maximum storage capacity of 60 acre-feet. Completed in 1969, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Montgomery |
| River/Stream | Tr-weirs Creek |
| Coordinates | 30.45118, -95.50227 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 857 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 28 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | San Jacinto Girl Scout Council |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05264 |
| Federal ID | TX05264 |
| More Info | State Dam Safety Program |