Granada Lake
Granada Lake is an earth dam located in Pottawatomie County, Oklahoma, built in 1976. It carries a High hazard potential classification and has a fair condition assessment.
About Granada Lake
Granada Lake is a dam in Pottawatomie, Oklahoma. The dam is owned by Granada Lake Llc (private). It impounds the Tr-n. Canadian Riv near Shawnee.
The dam stands 16 feet tall and stretches 796 feet across, and has a maximum storage capacity of 70 acre-feet. Completed in 1976, the structure is 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/31/2022.
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 | Pottawatomie |
| Nearest City | Shawnee |
| River/Stream | Tr-n. Canadian Riv |
| Coordinates | 35.35470, -96.88903 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 796 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 70 acre-ft |
| Max Discharge | 1,254 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | GRANADA LAKE LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/31/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | OK13214 |
| Federal ID | OK13214 |
| More Info | State Dam Safety Program |