Iley Lake Dam is an earth dam located in Gonzales County, Texas, built in 1962. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 465 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 Iley Lake Dam
The primary purpose of Iley 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 Glen Iley (private). It impounds the Tr-guadalupe River.
The dam stands 14 feet tall and stretches 465 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 106 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-guadalupe River |
| Coordinates | 29.52831, -97.47273 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 465 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 10 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Glen Iley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX01916 |
| Federal ID | TX01916 |
| More Info | State Dam Safety Program |