Lake Bonham Dam
Lake Bonham Dam is an earth dam located in Fannin County, Texas, built in 1969. It carries a Significant hazard potential classification and has a fair condition assessment.
About Lake Bonham Dam
The primary purpose of Lake Bonham 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 City Of Bonham (local government). It impounds the Timber Creek.
The dam stands 59 feet tall and stretches 3,800 feet across, creates a reservoir covering 1,105 acres, has a maximum storage capacity of 43,761 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1969, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 06/23/2021.
At 59 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Texas |
| County | Fannin |
| River/Stream | Timber Creek |
| Coordinates | 33.64806, -96.13526 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 59 ft |
| Dam Height | 53 ft |
| Dam Length | 3,800 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 43,761 acre-ft |
| Max Storage | 43,761 acre-ft |
| Normal Storage | 11,038 acre-ft |
| Surface Area | 1,105 acres |
| Drainage Area | 25 sq mi |
| Max Discharge | 2 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF BONHAM |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 06/23/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX00402 |
| Federal ID | TX00402 |
| More Info | State Dam Safety Program |