Lake Thunderbird Dam is an earth dam located in Polk County, Texas. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 1,610 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 Lake Thunderbird Dam
The primary purpose of Lake Thunderbird 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 Wiggins Land Company of Texas Inc (private). It impounds the Dry Branch.
The dam stands 20 feet tall and stretches 1,610 feet across, and has a maximum storage capacity of 93 acre-feet.
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. The most recent inspection on record was 08/12/1987. That was over 39 years ago.
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Location
| State | Texas |
| County | Polk |
| River/Stream | Dry Branch |
| Coordinates | 30.69416, -94.95044 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 18 ft |
| Dam Length | 1,610 ft |
Storage & Hydraulics
| NID Storage | 93 acre-ft |
| Max Storage | 93 acre-ft |
| Normal Storage | 55 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Wiggins Land Company of Texas Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/12/1987 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04773 |
| Federal ID | TX04773 |
| More Info | State Dam Safety Program |