A vacuum appliance comprising a drum and a vacuum head. The drum may include a base and a cylinder sealed to the base. The vacuum head may include a lid and a blower. The lid preferably includes a portion that is detachably mounted to an open upper end of the drum. The blower may be mounted to, atop, or within the lid. In any case, the blower induces a vacuum within the drum and moves through the vacuum. The base or the cylinder may include a drain to drain fluid and debris contained within the drum. The lid may include a lower portion sealed to and defining the open upper end of the drum. The cylinder or the lid may include an air inlet through which the blower draws air and entrained debris.