Mercer Lake No 2 Dam is an earth dam located in Gonzales County, Texas, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,775 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 Mercer Lake No 2 Dam
The primary purpose of Mercer Lake No 2 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 Joe Mercer (private). It impounds the Tr-sandy Fork.
The dam stands 22 feet tall and stretches 1,775 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 123 acre-feet. Completed in 1962, 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 | Gonzales |
| River/Stream | Tr-sandy Fork |
| Coordinates | 29.55574, -97.31514 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,775 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Joe Mercer |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01915 |
| Federal ID | TX01915 |
| More Info | State Dam Safety Program |