Finley Lake Dam is an earth dam located in Zavala County, Texas, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 1,100 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 Finley Lake Dam
The primary purpose of Finley Lake 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 Finley Ranch (private). It impounds the Tr-chaparrosa Creek.
The dam stands 11 feet tall and stretches 1,100 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 660 acre-feet. Completed in 1939, the structure is well-established, with more than 75 years of service.
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 | Zavala |
| River/Stream | Tr-chaparrosa Creek |
| Coordinates | 28.93559, -100.04466 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 660 acre-ft |
| Max Storage | 660 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 14 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Finley Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01812 |
| Federal ID | TX01812 |
| More Info | State Dam Safety Program |