---
title: Underground Water Tanks
date: 2022-03-11T17:25:00+11:00
author: Walker Designs
canonical_url: "https://www.orionproducts.com.au/underground-water-tanks"
section: Site Content
---
1. [   Home  ](https://www.orionproducts.com.au/)
2. [ Water Tanks ](https://www.orionproducts.com.au/water-tanks)
3. [ Polyethylene Rainwater Tanks ](https://www.orionproducts.com.au/polyethylene-rainwater-tanks)
4. Underground Water Tanks
 
 

 

 

 #  **Underground**   
Water Tanks 

These are perfect underground storage solutions for your water. Using LLDPE (Linear Low Density Polyethylene) our underground water tanks comply with AS/NS4766 for potable water. Includes a 7 years pro-rata warranty.

 

 

 

 

 

 

   [  ![UHH650 650L Bloo Underground Holding Tank](https://www.orionproducts.com.au/volumes/images/bloo-septic-tanks/UHH650/_800x600_letterbox_center-center_80_none/55447/UHH650-Underground-Holding-Tank.webp) ##  **650L**   
Underground Water Tank 

   ](https://www.orionproducts.com.au/650l-underground-water-tank) 

 [  ![UHH1250 1250L Bloo Underground Holding Tank](https://www.orionproducts.com.au/volumes/images/bloo-septic-tanks/_800x600_letterbox_center-center_80_none/3355/1250L-holding-angle.webp) ##  **1250L**   
Underground Water Tank 

   ](https://www.orionproducts.com.au/1250l-underground-water-tank) 

 [  ![3700 litre underground water tank](https://www.orionproducts.com.au/volumes/images/rainwater-tanks/Underground-Water-Tanks/_800x600_letterbox_center-center_80_none/110717/3700-litre-underground-water-tank.webp) ##  **3200L**   
Underground Water Tank 

   ](https://www.orionproducts.com.au/3200l-underground-water-tank) 

 [  ![5000 litre underground water tank](https://www.orionproducts.com.au/volumes/images/rainwater-tanks/Underground-Water-Tanks/_800x600_letterbox_center-center_80_none/110705/5000-litre-underground-water-tank.webp) ##  **4500L**   
Underground Water Tank 

   ](https://www.orionproducts.com.au/4500l-underground-water-tank)
