Hefley Lake Dam
Hefley Lake Dam is an earth dam located in Hunt County, Texas, built in 1964. It carries a Low hazard potential classification.
About Hefley Lake Dam
The primary purpose of Hefley 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 Bill Hefley (private). It impounds the Tr-south Sulphur River.
The dam stands 19 feet tall, creates a reservoir covering 13 acres, and has a maximum storage capacity of 174 acre-feet. Completed in 1964, 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.
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Location
| State | Texas |
| County | Hunt |
| River/Stream | Tr-south Sulphur River |
| Coordinates | 33.20448, -95.91195 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 174 acre-ft |
| Max Storage | 174 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 13 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BILL HEFLEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00475 |
| Federal ID | TX00475 |
| More Info | State Dam Safety Program |