Gill
Gill is an earth dam located in Coal County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
About Gill
The primary purpose of Gill 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 Mary E Yother (private). It impounds the Tr-coon Creek near Coalgate.
The dam stands 15 feet tall and stretches 400 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 80 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 04/22/2003. That was over 22 years ago.
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Location
| State | Oklahoma |
| County | Coal |
| Nearest City | Coalgate |
| River/Stream | Tr-coon Creek |
| Coordinates | 34.58664, -96.21668 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 400 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MARY E YOTHER |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/22/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12225 |
| Federal ID | OK12225 |
| More Info | State Dam Safety Program |