Big Guano Creek Flyash Dam
Big Guano Creek Flyash Dam is an earth dam located in Putnam County, West Virginia, built in 1966. It carries a Undetermined hazard potential classification.
About Big Guano Creek Flyash Dam
The primary purpose of Big Guano Creek Flyash Dam is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Amherst Industries, Inc (private). It impounds the Big Guano Creek near Plymouth.
The dam stands 67 feet tall and stretches 670 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
At 67 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | West Virginia |
| County | Putnam |
| Nearest City | Plymouth |
| River/Stream | Big Guano Creek |
| Coordinates | 38.51889, -81.83722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 67 ft |
| Dam Height | 67 ft |
| Dam Length | 670 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Tailings |
| Owner | AMHERST INDUSTRIES, INC |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | WV07912 |
| Federal ID | WV07912 |
| More Info | State Dam Safety Program |