Grub Lake Dam is an earth dam located in Parker County, Texas, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 820 ft long, taller than 88% 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 Grub Lake Dam
The primary purpose of Grub Lake 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 David Grub (private). It impounds the Tr-cottonwood Creek.
The dam stands 42 feet tall and stretches 820 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 160 acre-feet. Completed in 1973, 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 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Texas |
| County | Parker |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 32.91635, -97.93304 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 820 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | David Grub |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04937 |
| Federal ID | TX04937 |
| More Info | State Dam Safety Program |