Lake San Tana Dam is an earth dam located in Coleman County, Texas, built in 1923. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 450 ft long, taller than 87% of U.S. dams with a recorded height. 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 San Tana Dam
The primary purpose of Lake San Tana Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City of Santa Anna (local government). It impounds the Tr-mud Creek.
The dam stands 41 feet tall and stretches 450 feet across, and has a maximum storage capacity of 1,063 acre-feet. Completed in 1923, the structure is over a century 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 10/02/1984. That was over 42 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Coleman |
| River/Stream | Tr-mud Creek |
| Coordinates | 31.77092, -99.28720 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 450 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 1,063 acre-ft |
| Max Storage | 1,063 acre-ft |
| Normal Storage | 703 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Santa Anna |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/02/1984 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02221 |
| Federal ID | TX02221 |
| More Info | State Dam Safety Program |