South Lake Dam
South Lake Dam is an earth dam located in Oklahoma County, Oklahoma, built in 2005. It carries a Significant hazard potential classification and has a fair condition assessment.
About South Lake Dam
The primary purpose of South Lake Dam 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 Summit Lake Llc (private). It impounds the Deer Creek near Oklahoma City.
The dam stands 16 feet tall and stretches 430 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 113 acre-feet, and collects water from a drainage area of 336 square miles. Completed in 2005, the structure is relatively new.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 02/01/2017.
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Location
| State | Oklahoma |
| County | Oklahoma |
| Nearest City | Oklahoma City |
| River/Stream | Deer Creek |
| Coordinates | 35.69147, -97.56470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 430 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 113 acre-ft |
| Max Storage | 113 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 336 sq mi |
| Max Discharge | 777 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | SUMMIT LAKE LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 02/01/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK30164 |
| Federal ID | OK30164 |
| More Info | State Dam Safety Program |