Elm Fork Site 18 Decom Dam
Elm Fork Site 18 Decom Dam is an earth dam located in Cooke County, Texas, built in 1960. It carries a Low hazard potential classification.
About Elm Fork Site 18 Decom Dam
The primary purpose of Elm Fork Site 18 Decom Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Elm Fork Water Treatment Facility (private). It impounds the Persimmon Creek.
The dam stands 54 feet tall and stretches 2,105 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 2,941 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 04/23/1973. That was over 52 years ago.
At 54 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Texas |
| County | Cooke |
| River/Stream | Persimmon Creek |
| Coordinates | 33.48527, -97.09032 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 46 ft |
| Dam Length | 2,105 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 2,941 acre-ft |
| Max Storage | 2,941 acre-ft |
| Normal Storage | 384 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 3,940 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ELM FORK WATER TREATMENT FACILITY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/23/1973 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00532 |
| Federal ID | TX00532 |
| More Info | State Dam Safety Program |