East Fork Above Lavon Ws Scs Site 21 Dam
East Fork Above Lavon Ws Scs Site 21 Dam is an earth dam located in Grayson County, Texas, built in 1964. It carries a Significant hazard potential classification and has a poor condition assessment.
About East Fork Above Lavon Ws Scs Site 21 Dam
The primary purpose of East Fork Above Lavon Ws Scs Site 21 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Grayson County;upper Elm Red Swcd (local government). It impounds the Tr-east Fork Trinity River.
The dam stands 38 feet tall and stretches 655 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 288 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 09/25/2019.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Texas |
| County | Grayson |
| River/Stream | Tr-east Fork Trinity River |
| Coordinates | 33.46310, -96.69520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 655 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 288 acre-ft |
| Max Storage | 288 acre-ft |
| Normal Storage | 54 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 841 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRAYSON COUNTY;UPPER ELM RED SWCD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/25/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | TX02112 |
| Federal ID | TX02112 |
| More Info | State Dam Safety Program |