Swain J.l. is an earth dam located in Logan County, Oklahoma, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 480 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 Swain J.l.
The primary purpose of Swain J.l. is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Vance E. & Jinna S Mccollom (private). It impounds the Tr-cimarron River near Guthrie.
The dam stands 20 feet tall and stretches 480 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 160 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 08/04/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Logan |
| Nearest City | Guthrie |
| River/Stream | Tr-cimarron River |
| Coordinates | 35.88676, -97.61328 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 480 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 11 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Vance E. & Jinna S Mccollom |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/04/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12406 |
| Federal ID | OK12406 |
| More Info | State Dam Safety Program |