Dickenson Ranch Lake Dam is an earth dam located in McMullen County, Texas, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 770 ft long. 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 Dickenson Ranch Lake Dam
The primary purpose of Dickenson Ranch 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 Dickenson Ranch (private). It impounds the Hackberry Hollow.
The dam stands 18 feet tall and stretches 770 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 160 acre-feet. Completed in 1967, 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 | McMullen |
| River/Stream | Hackberry Hollow |
| Coordinates | 28.41924, -98.53363 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 770 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 62 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Dickenson Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02985 |
| Federal ID | TX02985 |
| More Info | State Dam Safety Program |