74 Ranch Dam No 4 is an earth dam located in Atascosa County, Texas, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 1,000 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 74 Ranch Dam No 4
The primary purpose of 74 Ranch Dam No 4 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 Anderson Robinson Inc (private). It impounds the Tr-metate Creek.
The dam stands 15 feet tall and stretches 1,000 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 162 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 | Tr-metate Creek |
| Coordinates | 28.72427, -98.35994 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Anderson Robinson Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03152 |
| Federal ID | TX03152 |
| More Info | State Dam Safety Program |