Water Tanks Greymouth

Specialists in water tanks & water harvesting systems in West Coast NZ.

At our Think Water West Coast store, we offer a comprehensive range of water tanks, water pumps, water filters, and UV filtration systems, enabling you to harness the power of rainwater harvesting in West Coast.


By embracing these sustainable solutions, you can significantly reduce your reliance on traditional water sources and contribute to a greener and more water-efficient future.


We work with leading brands such as Iplex Pipelines, Devan Tanks and Davey Water Products.

Contact us today to discuss a rain water harvesting solution to suit your needs.

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As the leading rain water harvesting specialists in West Coast, we take great pride in our top-rated services.

Efficient & Sustainable Rain Water Harvesting in West Coast

Investing in a rain water harvesting system offers numerous benefits. Here are some compelling reasons to invest in rain water harvesting system:

Drought Resilience: By harvesting rainwater in West Coast, you can become more resilient to drought conditions, ensuring a stable water supply even during extended periods without rainfall.


Water Conservation: By capturing and utilising rainwater, you can significantly reduce your reliance on mains water supply for non-potable uses such as irrigation, gardening, and cleaning. This water management system helps to preserve precious water resources for essential purposes.

Cost Savings: Rainwater is free, and by collecting and using it, you can save on water bills. With a properly designed rain water harvesting system, you can meet a substantial portion of your non-potable water needs, resulting in tangible cost savings over time.

Environmental Sustainability: Harvesting rainwater promotes sustainable water management by reducing the strain on traditional water sources such as rivers, lakes, and groundwater reserves. By conserving water, you contribute to the preservation of natural ecosystems and minimise the environmental impact associated with water extraction and treatment.

Call Think Water West Coast

Call for an obligation free phone consult.

We can design and supply rainwater harvesting systems in West Coast to make the most of your water.



Additionally, our team have the qualifications and expertise to design you a system for residential, commercial, agricultural or industrial use.

Greymouth Rain Water Harvesting Products

We offer a range of water tanks, UV filters, pumps and other accessories. If we don’t have what you need, our active network allows us to order it in or suggest a suitable equivalent.


  • Steel water tanks
  • Poly water tanks
  • Greywater pumping systems
  • Filtration
  • First flush diversion kits
  • Leaf eaters
  • Tank water monitor systems
  • Mains water/tank water switches
  • Submersible pump systems
  • UV filtration systems
  • Pumps

Call Think Water West Coast

Call for an obligation free phone consult.

Your local water professionals

Think Water West Coast is locally and independently owned and operated, whilst being supported by the strength of an international brand. 

Are you looking for a rain water harvesting system in the West Coast? Call your local Think Water today.

Puretec Hybrid G250 - Exclusive to Think Water

Safe, good tasting water for your whole house.

  1. Four mounting points for quick and easy installation.
  2. Smart control panel that monitors the lamp life, failure alarm (audible & visible), and total running days of the Radfire™ UV unit.
  3. Anti-tamper and childproof lockable hinged lid provides weather protection for outdoor installation.
  4. Stage 1 Filtration – A washable 20 micron sediment filter that removes silt, sludge, dirt, rust, and other particles.
  5. Stage 2 Filtration – A solid 1 micron filter to remove fine particles.
  6. Retainer cap enables effortless lamp replacement. No tools are required.
  7. Radfire’s unique water chamber optimises hydraulic performance and increases disinfection efficiency. Chamber and hardware are stainless steel for dependable long life.
  8. Ultraviolet protection eliminates 99.9% of bacteria with Radfire™ ultraviolet technology, a natural purification process that’s completely eco-friendly and chemical-free.

Four Year Warranty

This extra long Four Year Platinum Protection applies to Puretec Systems when used in conjunction with a Puretec filter cartridge. Warranty excludes consumables.

WaterMark Certified

This certification means that you are getting a product that is compliant with strict Australian certification laws. WMTS103:2016 Certificate No. WM 74593 Australian Certification Services

Mains and Tank Water Friendly

Designed for both mains and tank water supply the Hybrid G Series is highly effective at eliminating 99.9% of bacteria and reducing bad taste, odour, chemicals and sediment.