Lake Tomahawk Dam
Lake Tomahawk Dam is an earth dam located in Polk County, Texas, built in 1957. It carries a Significant hazard potential classification.
About Lake Tomahawk Dam
The primary purpose of Lake Tomahawk Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by San Jacinto Baptist Association (private). It impounds the Tr-woods Creek.
The dam stands 26 feet tall and stretches 820 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 169 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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 09/29/2009. That was over 16 years ago.
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Location
| State | Texas |
| County | Polk |
| River/Stream | Tr-woods Creek |
| Coordinates | 30.73769, -94.63288 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 820 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 169 acre-ft |
| Max Storage | 169 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 444 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | SAN JACINTO BAPTIST ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 09/29/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00046 |
| Federal ID | TX00046 |
| More Info | State Dam Safety Program |