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We are New Zealand's onsite wastewater experts

Oasis Clearwater Environmental Systems has been at the forefront of wastewater treatment systems and technology for 35 years. With our head office in Christchurch, nationwide production, delivery capability and close working relationships with our distributor network, Oasis Clearwater is your one-stop shop for wastewater treatment products.


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Residential / Rural
Treatment Systems

The Oasis Clearwater Septic Tank & Treatment Systems are based on the tried and tested principle of separating solids from liquids. Our systems are simple to operate, affordable, and most important - will protect water quality and enhance your quality of life.

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Wastewater Systems

Oasis Clearwater can provide a range of Wastewater Treatment systems, from 3-100m3. We understand that one size does not fit all. Other than our standard range of designs, we can also customise our systems to suit your requirements.

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