Blackbird Lake Dam is an earth dam located in Freestone County, Texas, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 900 ft long, taller than 50% 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 Blackbird Lake Dam
The primary purpose of Blackbird Lake 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 Roy Blackbird (private). It impounds the Holly Branch.
The dam stands 25 feet tall and stretches 900 feet across, and has a maximum storage capacity of 350 acre-feet. Completed in 1970, 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 | Freestone |
| River/Stream | Holly Branch |
| Coordinates | 31.64833, -96.00000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 900 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 179 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Roy Blackbird |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05080 |
| Federal ID | TX05080 |
| More Info | State Dam Safety Program |