Lake Ivanhoe Dam is an earth dam located in Tyler County, Texas, built in 1958. It carries a Significant hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 390 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 Lake Ivanhoe Dam
The primary purpose of Lake Ivanhoe Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Ivanhoe (local government). It impounds the Tr-magnus Branch.
The dam stands 19 feet tall and stretches 390 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 218 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/03/2023.
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Location
| State | Texas |
| County | Tyler |
| River/Stream | Tr-magnus Branch |
| Coordinates | 30.68550, -94.39984 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 390 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 218 acre-ft |
| Max Storage | 218 acre-ft |
| Normal Storage | 105 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Ivanhoe |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/03/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04492 |
| Federal ID | TX04492 |
| More Info | State Dam Safety Program |