Cavanal is an earth dam located in Le Flore County, Oklahoma, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 900 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 Cavanal
Cavanal is a dam in Le Flore, Oklahoma. The dam is owned by Blackstone Ranch (private). It impounds the Tr-rock Cr near Wister-ok.
The dam stands 15 feet tall and stretches 900 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 90 acre-feet. Completed in 1955, 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 01/15/2010. That was over 16 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oklahoma |
| County | Le Flore |
| Nearest City | Wister-ok |
| River/Stream | Tr-rock Cr |
| Coordinates | 34.97808, -94.70156 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 900 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Blackstone Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/15/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK10428 |
| Federal ID | OK10428 |
| More Info | State Dam Safety Program |