Kalmar Ej is an earth dam located in Pontotoc County, Oklahoma, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 300 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 Kalmar Ej
The primary purpose of Kalmar Ej 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 Leader Creek Ranch LLC (private). It impounds the Tr-leader Creek near Olney.
The dam stands 18 feet tall and stretches 300 feet across, creates a reservoir covering 16 acres, and has a maximum storage capacity of 57 acre-feet. Completed in 1965, 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 05/13/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Pontotoc |
| Nearest City | Olney |
| River/Stream | Tr-leader Creek |
| Coordinates | 34.73614, -96.46187 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 300 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 57 acre-ft |
| Max Storage | 57 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 640 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Leader Creek Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/13/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12792 |
| Federal ID | OK12792 |
| More Info | State Dam Safety Program |