Cassin Lake Dam
Cassin Lake Dam is an earth dam located in Bexar County, Texas, built in 1907. It carries a Low hazard potential classification and has a poor condition assessment.
About Cassin Lake Dam
The primary purpose of Cassin 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 Texas A&m University-san Antonio (state). It impounds the Minita Creek.
The dam stands 24 feet tall and stretches 1,180 feet across, and has a maximum storage capacity of 580 acre-feet. Completed in 1907, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/14/2022.
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Location
| State | Texas |
| County | Bexar |
| River/Stream | Minita Creek |
| Coordinates | 29.30281, -98.45371 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 1,180 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 580 acre-ft |
| Max Storage | 580 acre-ft |
| Normal Storage | 400 acre-ft |
| Max Discharge | 1 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | TEXAS A&M UNIVERSITY-SAN ANTONIO |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/14/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01454 |
| Federal ID | TX01454 |
| More Info | State Dam Safety Program |