Gerdes Lake No 1 Dam is an earth dam located in Lee County, Texas, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 660 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 Gerdes Lake No 1 Dam
The primary purpose of Gerdes Lake No 1 Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Garwood Gerdes (private). It impounds the Tr-nails Creek.
The dam stands 13 feet tall and stretches 660 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 53 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 | Lee |
| River/Stream | Tr-nails Creek |
| Coordinates | 30.27606, -96.75636 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 660 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Garwood Gerdes |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02666 |
| Federal ID | TX02666 |
| More Info | State Dam Safety Program |