Regal Lake
Regal Lake is an earth dam located in Oklahoma County, Oklahoma, built in 1920. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Regal Lake
The primary purpose of Regal Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Regal Lake Hoa (private). It impounds the Tr-spring Creek near Oklahoma City.
The dam stands 16 feet tall and stretches 424 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1920, the structure is over a century 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 12/29/2022.
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 | Oklahoma |
| Nearest City | Oklahoma City |
| River/Stream | Tr-spring Creek |
| Coordinates | 35.56881, -97.63361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 424 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 6,320 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | REGAL LAKE HOA |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/29/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OK02418 |
| Federal ID | OK02418 |
| More Info | State Dam Safety Program |