Total Tanks steel-welded water tanks serve both indoor and outdoor applications and are available in rectangular or cylindrical models. Constructed of A36 steel, these tanks offer one of the longest tank life spans in the industry and can vary from small 1,000-gallon applications to large 30,000-gallon, multi-partition applications. Total Tanks steel-welded water tanks are installed throughout Southeastern Texas at various market segments such as K-12 schools, universities, multi-family residences, office buildings, and hospital facilities.