B-i Detention Basin Dam
B-i Detention Basin Dam is an earth dam located in Comanche County, Oklahoma, built in 1999. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About B-i Detention Basin Dam
The primary purpose of B-i Detention Basin Dam 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 City Of Lawton (local government). It impounds the Meadowbrook near Lawton.
The dam stands 21 feet tall and stretches 2,200 feet across, has a maximum storage capacity of 327 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1999, the structure is 27 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/04/2021.
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Location
| State | Oklahoma |
| County | Comanche |
| Nearest City | Lawton |
| River/Stream | Meadowbrook |
| Coordinates | 34.63495, -98.46881 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 2,200 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 327 acre-ft |
| Max Storage | 327 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF LAWTON |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/04/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK22296 |
| Federal ID | OK22296 |
| More Info | State Dam Safety Program |