Boykin Lake Dam is an earth dam located in Tyler County, Texas, built in 1976. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 550 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 Boykin Lake Dam
The primary purpose of Boykin 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 Frank Boykin (private). It impounds the Mangus Branch near Hillister.
The dam stands 15 feet tall and stretches 550 feet across, and has a maximum storage capacity of 195 acre-feet. Completed in 1976, the structure is 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. The most recent inspection on record was 09/28/2009. That was over 17 years ago.
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Location
| State | Texas |
| County | Tyler |
| Nearest City | Hillister |
| River/Stream | Mangus Branch |
| Coordinates | 30.72122, -94.44861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 550 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 195 acre-ft |
| Max Storage | 195 acre-ft |
| Normal Storage | 80 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Frank Boykin |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/28/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03751 |
| Federal ID | TX03751 |
| More Info | State Dam Safety Program |