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Depex Plumbing & Drainage

Water Treatment & Filtration

Water Treatment & Filtration in Coquitlam

Whole-home filtration, sediment removal, and drinking-water systems, sized properly.

Whole-home water filtration cylinders mounted on a utility room wall

Scope

What we handle

  • Whole-home filtration

    Point-of-entry systems sized to your actual peak flow, not a generic guess.

  • Sediment & rust removal

    Pre-filters that stop grit reaching your fixtures and appliances.

  • Carbon & chloramine

    Media selected for what Metro Vancouver actually puts in the water.

  • Under-sink drinking water

    Reverse osmosis and carbon systems at the tap you actually drink from.

  • Cartridge servicing

    Scheduled changes, because a neglected filter is worse than no filter.

The short answer

Metro Vancouver tap water is soft and well treated, so the real complaints here are chlorine or chloramine taste, sediment and rust flakes shed by aging galvanized pipe, and the slightly acidic water that contributes to pinhole leaks in older copper. Depex diagnoses which of those you actually have before recommending a filter — because the wrong cartridge just costs you money and flow.

Whole-home filtrationSediment & rustCarbon & chloramineUnder-sink ROFlow-rate sizing

Signs it's time to call

  • A chlorine or swimming-pool taste at the kitchen tap
  • Fine grit or rust flakes in an aerator or kettle
  • Water that runs cloudy or discoloured after the supply is restored
  • A metallic taste, particularly in a home with older copper
  • Recurring pinhole leaks, which can point at water chemistry

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Local detail

What's different about this job in the Tri-Cities

One correction worth making: Metro Vancouver water is very soft, so a water softener — the product people most often ask us for — is almost never what a home here needs. The genuine local issues are different. Chloramine used as a disinfectant residual affects taste and smell. Water from the regional supply is naturally low in alkalinity, which is why the water utility adjusts pH, and why aging copper in some homes still develops pinholes. And in houses with remaining galvanized steel pipe, the rust shedding off the inside of that pipe is the sediment you find in your aerators. Each of those has a different answer, so we diagnose before we quote.

Answers

Water Treatment & Filtration: common questions

The questions we get asked on almost every one of these calls.

Do I need a water softener in Coquitlam?

Almost certainly not. Regional water here is soft, so a softener adds cost, wastes water on regeneration, and solves a problem you do not have. If someone is selling you one for a Coquitlam address, ask them to show you a hardness test first.

Will a filter fix my discoloured water?

It depends what is colouring it. Sediment from a galvanized pipe responds well to filtration, though replacing the pipe is the real fix. Discolouration after a water-main flush usually clears on its own. We would rather test than sell you a cartridge.

How often do cartridges need changing?

Between six and twelve months for most whole-home carbon and sediment units, sooner if your flow rate drops noticeably. We can set a reminder schedule and handle it as a routine visit.

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