Durant Lake
Durant Lake is an earth dam located in Bryan County, Oklahoma, built in 1994. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Durant Lake
The primary purpose of Durant Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Durant (local government). It impounds the Little Blue River near Armstrong.
The dam stands 64 feet tall and stretches 3,450 feet across, creates a reservoir covering 307 acres, has a maximum storage capacity of 7,194 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1994, the structure is 32 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/05/2022.
At 64 feet, this dam is taller than 96% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Oklahoma dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oklahoma |
| County | Bryan |
| Nearest City | Armstrong |
| River/Stream | Little Blue River |
| Coordinates | 34.08194, -96.38402 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 64 ft |
| Dam Height | 45 ft |
| Dam Length | 3,450 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 7,194 acre-ft |
| Max Storage | 7,194 acre-ft |
| Normal Storage | 4,121 acre-ft |
| Surface Area | 307 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 45,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF DURANT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/05/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OK21615 |
| Federal ID | OK21615 |
| More Info | State Dam Safety Program |