Retention Tanks

The E1 Stormwater System is a modular underground retention tank - strong enough for any situation. Ideal for use on subdivisions, household lots and commercial applications. We also offer full support for working with planners and on-site delivery to anywhere in New Zealand.

• Range of capacities from 1,800L to 30,000L
• Custom build option for specific site requirements
• Multiple inlet / outlet panels to suit any situation
• Fully tested and designed to withstand ground and water pressure
• Large manholes with tamper proof lids for easy access
• Tough enough to be installed under driveways
• Consultation service to work with planners
• On-site delivery to anywhere in NZ