Bolted steel storage tanks from Superior Tank Co. are designed for stormwater collection and the storage of water for pretreatment. They utilize a durable 3M Scotchkote powder coating specially formulated for corrosive environments. They are available in capacities from 10,000 gallons to 3 million gallons, and comply with both AWWA and NSF standards. Open-top and closed-roof designs are available, as well as specialized appurtenances. The bolt-together design is quick to assemble and eliminates the need for welding or on-site painting. 877/974-4438; www.superiortank.com.