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Water Tank Repairs

Extend the Life of Your Water Tank

Over time, even the best-built water tanks can develop cracks, leaks, or structural wear from constant use, shifting ground, or weather exposure. These issues can compromise your water quality, cause unnecessary water loss, and shorten the life of your tank.

At Pure Water Systems NZ, our Tank Repair and Refurbishment Service restores your tank’s integrity and performance saving you the cost of premature replacement. We specialise in repairing and replacing liners, lids, and fittings to ensure your system is watertight and reliable.

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Why Repairs Matter

  • Prevents water loss and structural failure.
  • Protects water quality and prevents contamination.
  • Extends the lifespan of your tank.
  • Saves money compared to full tank replacement.

Our Repair Process

Inspection & Assessment

We carry out a detailed inspection to identify leaks, cracks, or material degradation.

Professional Cleaning

Before any repair work, the tank is thoroughly cleaned to ensure proper surface preparation.

Repair & Reinforcement

We repair or replace damaged liners, lids, and fittings, seal cracks, and reinforce weak areas to restore tank integrity.

HDPE Lining & Protective Coatings

Where required, we install high-density polyethylene (HDPE) liners or apply protective coatings to improve durability and prevent future corrosion.

The Result

A watertight, structurally sound tank that’s ready to perform for years to come keeping your water clean, safe, and secure.

Are You Ready to Embrace a Higher Disinfection Standard?


FAQs

Got Questions? We get it! Looking after your water tank isn’t something most people think about until there’s a problem. Here’s a quick rundown of the most common questions we’re asked about cleaning, testing, and maintenance. If you can’t find what you’re after, just give us a call on 0800 79 74 76 or send a message using our contact form, we’re happy to help.
Obvious signs include leaks, visible damage, low water pressure, unusual sounds, or changes in water colour or taste. Regular inspections and maintenance can help identify potential issues before they escalate.
Yes, frequently, water tank repair is feasible—regardless of whether it is leaking or cracked. The fix depends on the material of the tank and how serious the damage is. Repairs can involve anything from sealing minor cracks in the tank, to replacing sections of the tank, or to sealing the interior linings.
Leaks can always be found by such indicators as cracks found, water around bottom, or water decreasing at a rate faster than expected. A thorough analysis helps determine the cause and lays out proper procedures by which to correct the water tank.
Refurbishment of water tanks is the repair process of an old or damaged tank to make it safe for use again. The refurbishment process involves structural repairs, clean downs of the tank (exterior & interior) and replacement of any worn components for safety and performance.

Most conventional types of tanks can fairly often be repaired and that includes steel, concrete, plastic. Minor cracks, leaks, and surface damage and some minor surface damage can almost always be repaired. If you have an issue that has compromised the structure of the tank, or heavily corroded it, then maybe you’ll want to consider replacing your tank which we can assist you.