Blanco Tank Dam
Blanco Tank Dam is an earth dam located in McMullen County, Texas, built in 1969. It carries a Low hazard potential classification.
About Blanco Tank Dam
The primary purpose of Blanco 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 Briscoe Ranch Inc (private). It impounds the Tr-guadalupe Creek.
The dam stands 15 feet tall and stretches 875 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 110 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | McMullen |
| River/Stream | Tr-guadalupe Creek |
| Coordinates | 28.32873, -98.78425 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 875 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | BRISCOE RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03036 |
| Federal ID | TX03036 |
| More Info | State Dam Safety Program |