Tarsco Bolted Tank can design a custom storage solution to fit your exact project requirements, including under roof square tanks. This 11,058 gallon, 12.31ft wide by 12.42ft high 304 stainless steel wastewater tank was designed to AWWA D103 standards and is used to store waste activated sludge in Lincoln, NE. To find out more about the various systems we offer that are suitable for all stages of wastewater treatment including mixing tanks, flocculation and sedimentation tanks, click here.