French Lake Dam is a concrete dam located in Comanche County, Oklahoma, built in 1936. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 30 ft30 ft tall and 381 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About French Lake Dam
The primary purpose of French Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by US Fish and Wildlife Service (federal). It impounds the West Cache Creek.
The dam stands 30 feet tall and stretches 381 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 439 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/28/2015. That was over 11 years ago.
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Location
| State | Oklahoma |
| County | Comanche |
| River/Stream | West Cache Creek |
| Coordinates | 34.72333, -98.69833 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 381 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 439 acre-ft |
| Max Storage | 439 acre-ft |
| Normal Storage | 311 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 8,548 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US Fish and Wildlife Service |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/28/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00465 |
| Federal ID | OK00465 |
| More Info | State Dam Safety Program |