Andrews Lake Dam is an earth dam located in San Jacinto County, Texas, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 560 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 Andrews Lake Dam
The primary purpose of Andrews 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 Sid Andrews (private). It impounds the Nebletts Creek.
The dam stands 20 feet tall and stretches 560 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 225 acre-feet. Completed in 1957, 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 | San Jacinto |
| River/Stream | Nebletts Creek |
| Coordinates | 30.49399, -95.29249 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 560 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 225 acre-ft |
| Max Storage | 225 acre-ft |
| Normal Storage | 83 acre-ft |
| Surface Area | 13 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Sid Andrews |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03819 |
| Federal ID | TX03819 |
| More Info | State Dam Safety Program |