Rainbow Lake Dam is an earth dam located in Kerr County, Texas, built in 1965. It carries a Significant hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 340 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 Rainbow Lake Dam
The primary purpose of Rainbow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Buddy Davis (private). It impounds the Tegener Creek near Ingram.
The dam stands 24 feet tall and stretches 340 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 286 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 03/23/2011. That was over 15 years ago.
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Location
| State | Texas |
| County | Kerr |
| Nearest City | Ingram |
| River/Stream | Tegener Creek |
| Coordinates | 30.05279, -99.33106 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 340 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 286 acre-ft |
| Max Storage | 286 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 8,380 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Buddy Davis |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/23/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX05049 |
| Federal ID | TX05049 |
| More Info | State Dam Safety Program |