Retention Reservoir Dam
Retention Reservoir Dam is an earth dam located in Coffee County, Tennessee. It carries a Low hazard potential classification.
About Retention Reservoir Dam
Retention Reservoir Dam is a dam in Coffee, Tennessee. The dam is owned by Usaf Afmc (federal). It impounds the Crumpton Creek Offstream near Normandy.
The dam stands 30 feet tall and stretches 1,995 feet across, creates a reservoir covering 170 acres, and has a maximum storage capacity of 1,850 acre-feet.
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 03/02/2022.
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Location
| State | Tennessee |
| County | Coffee |
| Nearest City | Normandy |
| River/Stream | Crumpton Creek Offstream |
| Coordinates | 35.38000, -86.06500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,995 ft |
Storage & Hydraulics
| NID Storage | 1,850 acre-ft |
| Max Storage | 1,850 acre-ft |
| Normal Storage | 1,246 acre-ft |
| Surface Area | 170 acres |
| Max Discharge | 700 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | USAF AFMC |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 03/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TN03109 |
| Federal ID | TN03109 |
| More Info | State Dam Safety Program |