Finding the best water tank installation in Hastings matters when a dry Hawke’s Bay summer puts pressure on roof-fed supply, stock water and garden irrigation. The installers below handle water tank installation in Hastings from site preparation and tank placement through to pumps, UV filtration and connection to household plumbing, for town sections, lifestyle blocks, orchards and farms. Isaac’s Plumbing, Pumping & Electrical and Think Water Hawkes Bay both work from bases in Hastings.
1Isaac’s Plumbing, Pumping & Electrical
Isaac’s is a Hawke’s Bay plumbing, pumping and electrical company with a Hastings branch on Karamu Road North and a second branch in Waipukurau. Its water tank team supplies and installs Devan and Bailey polyethylene tanks, then looks after them with repairs, cleaning and scheduled inspections. It suits homeowners and rural clients who want the tank, pump and electrical work handled by one firm.
Services
- Water tank installation, including site assessment, compliance and testing
- Water tank repair and maintenance, including leak detection and water quality testing
- Water tank cleaning to remove sediment
- Monthly servicing and inspections
- 24/7 emergency call-outs
Highlights
- Devan and Bailey tank range, with a 20-year warranty on domestic tanks
- Supreme Business of the Year, 2019 PAN PAC Hawke’s Bay Business Awards
- SiteWise Gold certified and Tōtika pre-qualified
- Over 80 staff across the Hastings and Waipukurau branches
Location & Contact
Name: Isaac’s Plumbing, Pumping & Electrical
Address: 804 Karamu Road North, Hastings 4122
Phone: 06 651 1686
Website: isaacshb.co.nz/our-departments/plumbing-gas-drainage/water-tanks
2Think Water Hawkes Bay
Think Water Hawkes Bay has served the region since 2004, originally as Total Plumbing and Irrigation, and runs a Hastings store on Omahu Road alongside its Napier store. The team designs, supplies, installs and services rainwater harvesting systems, and the Hastings showroom stocks rainwater tanks with the pumps, filters and fittings to go with them. Rural installs have included four 25,000 litre Devan poly tanks supplying three houses at Ocean Beach, Waimarama.
Services
- Rainwater harvesting system design and installation
- Rainwater tank supply
- Pump systems, including solar pumping
- UV filtration and water treatment
- Tank servicing, maintenance and cleaning
Highlights
- Trading in Hawke’s Bay since 2004
- SiteWise Gold certified, independently assessed each year
- Devan is a preferred tank supplier
- Retail showroom in Hastings with tanks, pumps and fittings in stock
- Also covers plumbing, drain laying and gas fitting, including septic systems
Location & Contact
Name: Think Water Hawkes Bay (Hastings store)
Address: 1203 Omahu Road, Hastings 4175
Phone: 06 650 2290
Website: thinkwater.co.nz/hawkes-bay/contact-us
3SWD
SWD is a locally owned family business at Twyford, on Omahu Road west of Hastings, best known for onsite wastewater and septic systems. It supplies and installs plastic, concrete and slimline rainwater tanks and does its own tank hole excavation and site preparation. It suits rural and lifestyle properties where a tank is part of a wider water and wastewater setup.
Services
- Plastic, concrete and slimline rainwater tank supply and installation
- Site preparation and tank hole excavation
- Filtration and UV treatment for drinking water
- Pumps and pressure systems
- Connection to household plumbing and irrigation
Highlights
- Hawke’s Bay Regional Council approved and accredited designer and installer
- Over 20 years of experience in the wastewater industry
- Agent for Wright Tanks wastewater treatment plants
Location & Contact
Name: SWD Wastewater & Drainage
Address: 1549 Omahu Road, Twyford, Hastings
Phone: 027 333 8212
Website: swdnz.co.nz/services/rainwater-tanks
4WaterForce Hastings
WaterForce is a national irrigation and pumping company, and its Hastings branch on Pakowhai Road serves farms, orchards, lifestyle blocks and rural businesses across the Heretaunga Plains. The branch keeps large tanks in stock and delivers them with a purpose-built trailer and all-terrain vehicles, then connects the plumbing and pump. It suits rural properties that need large-capacity storage or have difficult site access.
Services
- Large water tank supply and delivery
- Above-ground, partially buried and below-ground installations
- Tank plumbing connections and pump installation
- Tank level monitoring systems
Highlights
- 25,000 and 30,000 litre tanks held in stock
- Tanks from Devan, Bailey Tanks, RX Plastics, Promax and Aqua Tanks
- Delivery equipment for remote, uneven and tight-access sites
- Storage for drinking water, stock water, fire protection and fertigation
Location & Contact
Name: WaterForce Hastings
Address: 2068 Pakowhai Road, Napier
Phone: 06 870 7181
Website: waterforce.co.nz/contact-us/locations
Water Tank Installation in Hastings at a Glance
| Business | Highlight |
|---|---|
| Isaac's Plumbing, Pumping & Electrical | Devan and Bailey tank range, with a 20-year warranty on domestic tanks |
| Think Water Hawkes Bay | Trading in Hawke's Bay since 2004 |
| SWD | Hawke's Bay Regional Council approved and accredited designer and ins... |
| WaterForce Hastings | 25,000 and 30,000 litre tanks held in stock |
How to Choose the Right Water Tank Installation in Hastings
- Tank material and size: decide between polyethylene, concrete and slimline tanks based on the space you have, how the water will be used and whether the tank sits above or below ground.
- Full system, not just the tank: ask whether the quote covers the pump, first-flush diverter, filtration and UV treatment, and the connection to your plumbing.
- Site work: check who levels the pad or digs the tank hole, and whether access for a large tank delivery has been assessed.
- Consents and compliance: confirm who checks whether building consent is needed, particularly for large tanks or tanks on a stand.
- Ongoing service: look for an installer who offers tank cleaning, pump servicing and filter changes after the job is done.
Frequently Asked Questions About Hastings Water Tank Installation
How much does water tank installation in Hastings cost?
Cost depends on the tank size and material, the site preparation needed, and whether a pump, filtration and plumbing connection are included. A small garden tank can be a modest job, while a large rural tank with excavation, a pump and UV treatment costs considerably more. Ask for an itemised quote that separates the tank from the installation work.
Do I need a building consent for a water tank?
Many domestic water tanks are exempt from building consent, but the exemption has limits on tank size and on tanks raised off the ground. Check the government guidance on building consent exemptions for low-risk work, and ask your installer to confirm before the tank goes in.
Can I drink rainwater from my tank?
Rainwater can be used for drinking if the roof, gutters and tank are kept clean and the water is filtered and treated, usually with a sediment filter and a UV unit. Taumata Arowai, the national water services regulator, publishes guidance for people who supply their own drinking water.
Should I choose a plastic or concrete water tank?
Polyethylene tanks are lighter, quicker to install and come in a wide range of sizes and colours. Concrete tanks are heavier and suit underground installation and very large volumes. Slimline tanks fit narrow spaces beside a house.
How often should a water tank be cleaned?
Most installers recommend inspecting a tank regularly and cleaning out sediment every few years, or sooner if the water quality changes. Gutters and first-flush diverters should be checked more often, especially after autumn leaf fall.
Which parts of Hastings do these water tank installers cover?
The businesses on this page work from Karamu Road North and Omahu Road in Hastings, Twyford, and Pakowhai Road between Hastings and Napier. They travel to properties across Hastings, Havelock North, Flaxmere and the Heretaunga Plains, and several also cover Napier and Central Hawke’s Bay.
Can a water tank be installed underground?
Yes, both concrete and purpose-built polyethylene tanks can be installed below ground or partially buried. Underground installation needs excavation and suitable soil conditions, so ask the installer to assess the site first.
How We Chose the Best Water Tank Installation in Hastings
Every business in this guide was found by searching for water tank installation in Hastings, then checked against what the business publishes itself: its own website, or where it has none, its official social or booking page. Names, addresses and phone numbers come from those pages rather than a directory feed, so what you see here is what the business says about itself. We also check that each one is still trading and is actually based in or genuinely serving Hastings, rather than a national operator running a local landing page. A business we can’t confirm from its own pages is not listed.