capacity: 30k gallons (seller believes), height: 24', diameter: 12.5'. Seller states: "Good shape, has small pinhole leak near valve at bottom of tank. Could easily be patched/welded. Makes excellent water tank, taken out of service due to no longer needed." (NOTE: Trailer not included, seller responsible for moving from trailer on lot to another method of transportation, no crane or loader on site to handle the tank. Buyer will have 2 weeks to remove tank, and is responsible for loading!)