Mcdearman Jack No 8 is an earth dam located in Marshall County, Oklahoma, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 300 ft long, taller than 80% of U.S. dams with a recorded height. 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 Mcdearman Jack No 8
The primary purpose of Mcdearman Jack No 8 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 BLM Ranch LP (private). It impounds the Tr-little Hauani Cr near Lebanon.
The dam stands 35 feet tall and stretches 300 feet across, and has a maximum storage capacity of 87 acre-feet. Completed in 1977, the structure is 49 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 11/20/2002. That was over 23 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oklahoma |
| County | Marshall |
| Nearest City | Lebanon |
| River/Stream | Tr-little Hauani Cr |
| Coordinates | 34.01628, -96.92553 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 300 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 465 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BLM Ranch LP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/20/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK13180 |
| Federal ID | OK13180 |
| More Info | State Dam Safety Program |