Jb Marston Dam is an earth dam located in Scott County, Kentucky, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 280 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Jb Marston Dam
The primary purpose of Jb Marston Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ernest Cook (private). It impounds the Griffin Branch near No Town.
The dam stands 18 feet tall and stretches 280 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 05/01/2012. That was over 14 years ago.
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Location
| State | Kentucky |
| County | Scott |
| Nearest City | No Town |
| River/Stream | Griffin Branch |
| Coordinates | 38.35806, -84.61667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 280 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ernest Cook |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/01/2012 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KY00926 |
| Federal ID | KY00926 |
| More Info | State Dam Safety Program |