Mitchell Lake Dam
Mitchell Lake Dam is an earth dam located in Bexar County, Texas, built in 1967. It carries a Low hazard potential classification.
About Mitchell Lake Dam
The primary purpose of Mitchell Lake Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of San Antonio (local government). It impounds the Tr-medina River.
The dam stands 10 feet tall and stretches 3,500 feet across, creates a reservoir covering 750 acres, has a maximum storage capacity of 5,000 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1967, 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 05/28/2008. That was over 17 years ago.
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Location
| State | Texas |
| County | Bexar |
| River/Stream | Tr-medina River |
| Coordinates | 29.27152, -98.48826 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 3,500 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Normal Storage | 2,640 acre-ft |
| Surface Area | 750 acres |
| Drainage Area | 10 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF SAN ANTONIO |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/28/2008 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01453 |
| Federal ID | TX01453 |
| More Info | State Dam Safety Program |