Purchased new from McDonald Tank and Equipment in Great Bend. It as always been kept inside where you see it in the photos. It is about 75" long and 48" in diameter. The rails underneath are 27" to the outside edges. Ground to the top of the tank is 50". It is sold as 500 gallons but holds 550 comfortably with room for expansion. No pump is included. Price is OBO. For questions or contact info, please message me on this site. Thank you.