A spill prevention plug is provided. A plug body has an interior side and an exterior side with a threaded aperture that extends from the interior side to the exterior side of the plug body. The interior side of the plug body is removably attachable to a hose. A bushing threadingly engages the threaded aperture. A one way valve with a first end and a second end is provided with the first end of the one way valve engaging the bushing from the exterior side of the plug body. The one way valve being movable between an open position in which fluid flows through the one way valve from the interior side of the plug body to the exterior side of the plug body and a closed position in which fluid is prevented from flowing through the one way valve. An adapter for connection to a pump engages the second end of the one way valve.