Heinen Dam is an earth dam located in Atascosa County, Texas, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 980 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 Heinen Dam
The primary purpose of Heinen 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 Dan Heinen Jr (private). It impounds the Lucas Creek.
The dam stands 16 feet tall and stretches 980 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 179 acre-feet. Completed in 1968, 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 | Atascosa |
| River/Stream | Lucas Creek |
| Coordinates | 28.97760, -98.35522 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 980 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 179 acre-ft |
| Max Storage | 179 acre-ft |
| Normal Storage | 118 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Dan Heinen Jr |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03173 |
| Federal ID | TX03173 |
| More Info | State Dam Safety Program |