Finding the best water tank installation in Blenheim matters whether you are harvesting roof water for the garden, setting up a rural supply on a lifestyle block, or adding storage as part of a fire safety plan. The specialists below handle tank sizing and supply, delivery to the site, connection to pumps and filtration, and the compliance side that comes with drinking water. Think Water Marlborough and WaterForce Blenheim both run local trade counters, while Laser Plumbing Blenheim brings licensed plumbers and drainlayers to the job.
1Think Water Marlborough
Think Water Marlborough is a locally owned retail store and workshop on Grove Road in Blenheim, staffed by trained store people and service technicians. The team offers the complete water services package, from pump and irrigation system design through supply and installation to ongoing maintenance and repair, with a dedicated water storage and harvesting service line. It suits vineyard, farm, lifestyle block and residential customers who would rather have tank, pump and filtration handled by one supplier.
Services
- Rainwater harvesting and water storage solutions for residential, commercial and rural properties
- Supply of tanks and storage options for roof water collection
- Pump system design, supply, installation and servicing
- Water treatment and filtration, supplied, installed and serviced
- Systems for transferring water between reservoirs and main water sources
Highlights
- Blue Tick accredited company, an accreditation awarded by Irrigation New Zealand
- Owned and operated locally by Greg Somerville
- Retail store and workshop with service technicians based on site at Grove Road
- Stocks Karcher commercial cleaning equipment and pool products alongside water and irrigation gear
Location & Contact
Name: Think Water Marlborough
Address: 72 Grove Road, Mayfield, Blenheim 7201
Phone: 03 578 3802
Website: www.thinkwater.co.nz/marlborough/
2WaterForce Blenheim
WaterForce Blenheim is the trade and retail branch of a nationwide water infrastructure company, operating from Battys Road in Springlands for more than 15 years. The branch describes itself as a leading supplier of rural water storage tanks, delivering large capacity tanks throughout Marlborough and the Top of the South with its own specialised delivery equipment. It is a strong fit for farms, vineyards and rural homes that want tank supply, pumping, filtration and system design arranged together.
Services
- Rural water storage tank supply and delivery, including large capacity tanks
- Complete pumping systems, from design and installation through to servicing
- Drinking water filtration and UV water treatment
- Irrigation design, installation and servicing for vineyards, orchards and farms
Highlights
- Runs its own trailer and specialised delivery equipment for large capacity tanks on rural sites
- Counter team of Jethro, Coralie and Bradley with more than 38 years of combined water industry experience
- Trade store keeps Lowara, DAB and Grundfos pumps, Hallett UV units and Hunter irrigation controllers on the shelf
- Offers dripline recycling through Future Post and can supply tractor mounted machines to roll up old dripline
- Covers Blenheim, Renwick, Picton, Seddon, Havelock, the Wairau Valley and Kaikoura
Location & Contact
Name: WaterForce Blenheim
Address: 54 Battys Road, Springlands, Blenheim
Phone: 03 579 2031
Website: waterforce.co.nz/contact-us/locations
3Laser Plumbing Blenheim
Hydramech Ltd, trading as Laser Plumbing Blenheim, is one of Marlborough’s larger plumbing, gasfitting and drainage providers, based on Nelson Street in Springlands. Its water pumps, tanks and filtration division covers installation, replacement, repair and servicing of tanks from 300 to 30,000 litres, working with suppliers on retention and detention solutions to match a given specification. This is the option to take when the install needs a licensed plumber working to New Zealand standards and council requirements.
Services
- Water tank installation, replacement, repair and servicing from 300 to 30,000 litres
- Retention and detention storage solutions matched to project specifications
- Water pump assessment, selection, installation and servicing for flow and pressure
- Water filtration, from under bench mains filters to tank water purification and whole house three stage treatment
- Roofing, spouting and downpipe work that feeds rainwater collection
Highlights
- IQP licensed to carry out backflow prevention testing, reporting, installation and maintenance, with annual test reminders
- Business established in 2002 and trading under the Laser Plumbing brand since 2007
- 24 hour team covering Kaikoura through to Rai Valley and the Marlborough Sounds
Location & Contact
Name: Laser Plumbing Blenheim
Address: 90 Nelson Street, Springlands, Blenheim 7201
Phone: 03 579 6001
Website: lasergroup.co.nz/m/laser-plumbing-blenheim
Water Tank Installation in Blenheim at a Glance
| Business | Based in | Highlight |
|---|---|---|
| Think Water Marlborough | Mayfield | Blue Tick accredited company |
| WaterForce Blenheim | Springlands | Runs its own trailer and specialised delivery equipment for large cap... |
| Laser Plumbing Blenheim | Springlands | IQP licensed to carry out backflow prevention testing |
How to Choose the Right Water Tank Installation in Blenheim
- Check whether the installer handles the whole system or only the tank. Storage is of little use until the pump, pipework and any filtration are matched to it.
- Ask how the tank will physically reach the site. Large rural tanks need specialised delivery gear and clear access, and that logistics question often decides the shortest route to a working system.
- Confirm who is responsible for compliance. Plumbing work connected to a dwelling is restricted work, so establish early whether a licensed plumber or drainlayer is doing the connection.
- Match tank capacity to real demand rather than roof area alone. Household size, garden use, stock water and any firefighting reserve all change the number.
- Look at what happens after installation. Servicing of pumps, filters and UV units, and the ability to get parts over a local trade counter, matters more in year three than on day one.
Frequently Asked Questions About Blenheim Water Tank Installation
What does water tank installation involve?
A typical job covers sizing the tank to your water demand, preparing a level and stable base, siting and delivering the tank, then connecting downpipes or a bore feed, a pump, and any filtration or treatment. On a rural property the pump and pipework are often the larger part of the work, which is why most Blenheim suppliers quote the system rather than the tank alone.
What size water tank do I need?
It depends on how much water the property uses, how reliable the supply feeding the tank is, and how long you need to ride out a dry spell. Household drinking water tanks commonly sit in the 25,000 to 30,000 litre range on rural Marlborough properties, while a garden or detention tank may only need a few thousand litres. An installer will calculate demand and the pressure the pump has to deliver before recommending a capacity.
Do I need consent for a water tank in Marlborough?
It varies with the size of the tank, where it sits, and whether it is connected to a dwelling. Some small tanks are exempt while larger installations and any plumbing connection can trigger building consent requirements. Check with Marlborough District Council before work begins, and confirm with your installer who is lodging any paperwork.
Does a plumber have to install my water tank?
Positioning a standalone garden tank is not restricted work, but connecting a tank into a dwelling’s water supply generally is, and that must be done by an authorised person. You can check whether a tradesperson holds a current licence through the Plumbers, Gasfitters and Drainlayers Board register.
Is roof collected rainwater safe to drink?
It can be, provided the collection surface is clean, the tank is sealed against light and vermin, first flush diversion is used, and the water is treated. Filtration plus UV treatment is the common approach, and all three businesses above supply and service treatment gear. Tanks used for drinking water should be checked and cleaned periodically rather than left alone.
How long does an installation take?
A straightforward domestic tank swap with existing pipework can be done inside a day. A new rural supply involving site preparation, a large tank, a pump shed and treatment usually runs across several visits, and lead time on the tank itself is often the longest part of the schedule.
Can a water tank be used for fire fighting supply?
Yes, and it is a common reason for installing one on a rural property outside the reticulated network. A firefighting reserve changes both the capacity you need and the fittings required, including a suitable outlet and access for an appliance, so raise it at the quoting stage. Guidance on building requirements is published by the Ministry of Business, Innovation and Employment.
What maintenance does a water tank need?
Inspect gutters, inlet screens and first flush devices regularly, keep the tank sealed and shaded from light so algae cannot grow, and have sediment cleaned out when it builds up. Pumps, cartridge filters and UV lamps run on their own service intervals, so it is worth agreeing a servicing arrangement with whoever installs the system.
How We Chose the Best Water Tank Installation in Blenheim
Every business in this guide was found by searching for water tank installation in Blenheim, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Blenheim, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.