Swink is an earth dam located in Le Flore County, Oklahoma, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 400 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 Swink
Swink is a dam in Le Flore, Oklahoma. The dam is owned by Dan & Cynthia R Mackey (private). It impounds the Tr-poteau River near Spiro-ok.
The dam stands 17 feet tall and stretches 400 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1961, 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 02/22/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Le Flore |
| Nearest City | Spiro-ok |
| River/Stream | Tr-poteau River |
| Coordinates | 35.24728, -94.64366 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 400 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 1,470 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Dan & Cynthia R Mackey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/22/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21212 |
| Federal ID | OK21212 |
| More Info | State Dam Safety Program |