Muralla Tank Dam
Muralla Tank Dam is an earth dam located in Duval County, Texas, built in 1969. It carries a Low hazard potential classification.
About Muralla Tank Dam
The primary purpose of Muralla Tank 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 Archer Parr (private). It impounds the San Diego Creek.
The dam stands 20 feet tall and stretches 1,000 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 256 acre-feet. Completed in 1969, 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 | Duval |
| River/Stream | San Diego Creek |
| Coordinates | 27.82079, -98.32745 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 256 acre-ft |
| Max Storage | 256 acre-ft |
| Normal Storage | 128 acre-ft |
| Surface Area | 16 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | ARCHER PARR |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01930 |
| Federal ID | TX01930 |
| More Info | State Dam Safety Program |