Brock Lake No 1 Dam is an earth dam located in Erath County, Texas, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 550 ft long, taller than 86% 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 Brock Lake No 1 Dam
The primary purpose of Brock Lake No 1 Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Bill Mcdavid (private). It impounds the Tr-pony Creek.
The dam stands 40 feet tall and stretches 550 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1965, 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 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Texas |
| County | Erath |
| River/Stream | Tr-pony Creek |
| Coordinates | 32.22286, -97.96154 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 550 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Bill Mcdavid |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05011 |
| Federal ID | TX05011 |
| More Info | State Dam Safety Program |