On the evening of May 19, 2010 EPA was notified by the National Response Center (NRC) of a oil well that was discharging large amounts of oil onto the ground. The oil well is located in the Salem Church Field near Mt. Holly, Union County, Arkansas. The well serviced a production faciity that consisted of 2-210 barrels (bbls) above ground storage tanks. On the morning of May 20, 2010 EPA arrived on scene to assess the extent of impacted area. A pit containing a large quantity of oil was also identified on the property. There was a visible breach on the containment berm of the pit.