
Whatever you need in drainage, we've got the system
Drainage Systems designs, supplies and installs wastewater treatment systems, plus the drainage, stormwater and water storage that goes with them.
Every system, one contractor
We cover wastewater treatment, new-housing drainage, stormwater, water tanks and pumps. The same team advises on the right system for your site, then does the install.
Wastewater Treatment
Primary and secondary treatment systems, end to end.
Septic Tanks
Primary treatment, plus the upgrade path when a site needs more.
Sewer & Stormwater
Residential and commercial sewer and stormwater drainage.
Stormwater Management
Retention, detention, soakage and pumped reuse.
Water Tanks
Concrete and plastic tanks, supplied and installed.
Supply Pumps
Domestic water supply pumps for reliable flow.
Need something else?
Rain harvesting and more.
Septic & wastewater systems, start to finish
Our wastewater systems are supplied by WaterFlow, New Zealand's septic tank and wastewater specialists, with more than 6,000 systems in backyards around the country. As an approved installer we design, supply and install the EconoTreat, BioPod and NaturalFlow ranges, from site assessment to a working system.
Suburban or rural

Residential Drainage
Sewer, stormwater, pump chambers and tanks: the full underground run around a new home.
What we install
Wastewater Treatment
We design, supply and install the right system for your application, taking care of every aspect of your wastewater.
Treatment options
Water Storage
It's not always easy to get water in summer. With one of our storage systems you can collect and save water for when you really need it.
Storage optionsTell us about
your project
Certified drainlayers, operating since 1990, across the Waikato, South Auckland and Whitianga.
What happens next
- You send the basicsAddress, service, and what is going on.
- We look at itUsually within one working day.
- You get an answerA price, or a site visit booked.