Summit Lake
Summit Lake is an earth dam located in Cleveland County, Oklahoma, built in 1960. It carries a High hazard potential classification and has a poor condition assessment.
About Summit Lake
The primary purpose of Summit Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Summit Lake Property Owners Association (private). It impounds the Tributary To Rock Creek near Norman.
The dam stands 21 feet tall and stretches 810 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 200 acre-feet. Completed in 1960, the structure is well into its service life at over 50 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 08/23/2022.
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 | Cleveland |
| Nearest City | Norman |
| River/Stream | Tributary To Rock Creek |
| Coordinates | 35.21758, -97.40241 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 810 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 130 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 2,100 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | SUMMIT LAKE PROPERTY OWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 08/23/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OK12578 |
| Federal ID | OK12578 |
| More Info | State Dam Safety Program |