Grassy Creek Watershed Dam G- 93
Grassy Creek Watershed Dam G- 93 is an earth dam located in Marion County, Missouri, built in 1994. It carries a Low hazard potential classification.
About Grassy Creek Watershed Dam G- 93
The primary purpose of Grassy Creek Watershed Dam G- 93 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 Grassy Ck Subdistrict (local government). It impounds the Grassy Creek near Durham.
The dam stands 34 feet tall and stretches 360 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 260 square miles. Completed in 1994, the structure is 32 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 09/11/1999. That was over 26 years ago.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Marion |
| Nearest City | Durham |
| River/Stream | Grassy Creek |
| Coordinates | 39.93898, -91.67615 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 25 ft |
| Dam Length | 360 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 260 sq mi |
| Max Discharge | 144 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | GRASSY CK SUBDISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/11/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50878 |
| Federal ID | MO50878 |
| More Info | State Dam Safety Program |