Big Branch Coal Refuse Facility

Big Branch Coal Refuse Facility is an earth dam located in Clay County, West Virginia, built in 1997. It carries a High hazard potential classification.

About Big Branch Coal Refuse Facility

Big Branch Coal Refuse Facility is a dam in Clay, West Virginia. The dam is owned by Fola Coal Company (private). It impounds the Big Branch Of Lilly Fork near Dundon.

The dam stands 260 feet tall and stretches 1,900 feet across, creates a reservoir covering 71 acres, has a maximum storage capacity of 4,828 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Notably, no emergency action plan is currently on file for this high-hazard dam.

At 260 feet, this dam is taller than 99% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The West Virginia dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Rated ConditionEmergency Action Plan: No

Location

StateWest Virginia
CountyClay
Nearest CityDundon
River/StreamBig Branch Of Lilly Fork
Coordinates38.38810, -81.03472

Physical Characteristics

Dam TypeEarth
NID Height260 ft
Dam Height260 ft
Dam Length1,900 ft
Year Completed1997 (29 years old)

Storage & Hydraulics

NID Storage4,828 acre-ft
Max Storage4,828 acre-ft
Normal Storage3,864 acre-ft
Surface Area71 acres
Drainage Area0 sq mi
Max Discharge57 cfs

Ownership & Safety

PurposeOther
OwnerFOLA COAL COMPANY
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDWV01506
Federal IDWV01506
More InfoState Dam Safety Program

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