Water Filtration Central Christchurch

Water filtration in Central Christchurch: apartments, cottages and chlorine taste

Central Christchurch drinks the same deep aquifer water as the rest of the city, now chlorinated across all supply zones. For many residents who remember untreated water, the chlorine taste is noticeable, and that is the main reason people in the central city ask about filtration. Most of the city is dosed at about 0.2 parts per million, which is enough to keep water safe as it moves through the network.

In apartments inside the Four Avenues, an under sink carbon filter for drinking water is the usual choice, because whole building systems are a body corporate matter. We install filters without changing shared pipework, and record the cartridge type so replacements are easy.

In older cottages in Merivale and St Albans, filtration questions often come up alongside old pipework. Galvanised pipe can shed rust and sediment, and a filter can mask that problem rather than solve it. We check the condition of the pipes and advise whether a sediment filter, a carbon filter or new pipe is the better fix. Addington and Sydenham businesses such as cafés often need filtration for coffee machines and ice makers, sized for heavier use.

The council's typical water analysis gives a total hardness of about 45 grams per cubic metre and a pH of 7.8, so scale is rarely a big issue in Christchurch. That means most homes do not need a softener, and a carbon filter for taste and smell is enough. We size each system to how much water you use and set up reminders for cartridge changes. For rebuilt townhouses in the East Frame, a whole house unit can often go in a utility cupboard close to the water meter connection.

Local tip: In an older Merivale cottage, ask us to check the pipes before fitting a filter, because rusty water usually means pipe trouble rather than water trouble.