Mcwilliams Lake Dam is an earth dam located in Floyd County, Texas, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 375 ft long, taller than 83% of U.S. dams with a recorded height. 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 Mcwilliams Lake Dam
The primary purpose of Mcwilliams 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 Robert Mcwilliams (private). It impounds the Roberts Creek.
The dam stands 37 feet tall and stretches 375 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 325 acre-feet. Completed in 1961, 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.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Texas |
| County | Floyd |
| River/Stream | Roberts Creek |
| Coordinates | 34.21667, -101.05167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 375 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 325 acre-ft |
| Max Storage | 325 acre-ft |
| Normal Storage | 124 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Robert Mcwilliams |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03711 |
| Federal ID | TX03711 |
| More Info | State Dam Safety Program |