Gish Dam
Gish Dam is an earth dam located in Creek County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
About Gish Dam
The primary purpose of Gish Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ralph Manning & Bernadine Thompson (private). It impounds the Tributary To Sahoma Lake near Sapulpa.
The dam stands 23 feet tall and stretches 700 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 198 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 08/25/2011. That was over 14 years ago.
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Location
| State | Oklahoma |
| County | Creek |
| Nearest City | Sapulpa |
| River/Stream | Tributary To Sahoma Lake |
| Coordinates | 36.04056, -96.12026 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 700 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 198 acre-ft |
| Max Storage | 198 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 950 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | RALPH MANNING & BERNADINE THOMPSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/25/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11035 |
| Federal ID | OK11035 |
| More Info | State Dam Safety Program |