Are you looking for a Water or Septic Tank? We specialise in single, dual, siphon and pump chamber septics and also retention tanks for the dispersal of stormwater.Our water tanks are built with flat tops that can be buried up to 300 mm below ground which is ideal for small sections or for those people who really don't want a large concrete tank taking up space in their yard.Warkworth Tanks make a wide variety of tanks that can go above or underground.Our Services? Water Tanks: Are priced to include delivery with in a 25 km radius of our yard, and to a maximum time of 1/2 hour on site.Please note that any more time than that is on charged to purchaser.? Septic Tanks: Delivery is ex-yard but can be arranged and on charged if need be.? Bailey Tanks: Up to 1100 gal are priced ex-yard. From 2000 gal up to 5500 gal are priced delivery inclusive.Give us a call today for a friendly quote.!