Abstract: A portable containment berm system for efficiently and effectively containing hazardous material spills involving a vehicle. The portable containment berm system includes a liner having a floor, a pair of opposing sidewalls and a pair of opposing end portions. A pair of opposing foam collars are attached to the opposing end portions of the liner for creating a buoyancy within the end portions of the liner. A skirt is preferably attached to the outer portion of the liner with a plurality of first sleeves attached to side portions of the sidewall, a plurality of second sleeves attached to the skirt, and a plurality of support members removably attachable within the first sleeve and the second sleeve for supporting the sidewalls.