Water Filter in Dorchester

Updated 20 July 2026

Help & Advice for Dorchester, Dorset

Water Filters in Dorchester, Dorset to Reduce Lead in Drinking Water

Water Filter Lead continued to be used in domestic plumbing in the UK until it was banned from new installations in 1969. As a result, any property built or substantially altered before 1970 may still contain lead pipes unless they have already been replaced.

Where flushing is not practical, or while waiting for lead pipe replacement works to be carried out, point-of-use water filters can be used as a short-term mitigation measure. These filters are designed to reduce both dissolved lead (lead in solution) and particulate lead (small metal fragments) from drinking water.

Water Filters for Drinking Water

If tap water is your primary source of drinking water, a kitchen water filter may help reduce exposure to certain contaminants. Depending on the type, water filters can lower levels of substances such as chlorine, lead, and some pesticides. In addition to potential safety benefits, some users also notice improvements in taste and clarity.

However, performance varies significantly between products, and not all water filters are suitable for lead reduction.

Can Water Filters Remove Lead?

Water filters are not a reliable long-term solution for lead contamination caused by lead pipes. Even certified filters typically reduce lead rather than eliminate it completely. Because there is no safe level of lead exposure, any remaining traces can still pose a risk—particularly to infants, young children, and pregnant women.

The only guaranteed way to remove lead from your drinking water supply is to replace the lead pipes entirely.

What to Look for in a Water Filter for Lead

If a filter is being used temporarily, it should meet the following criteria:

Independent Certification

In the UK, products should be tested and approved by recognised bodies such as the Water Regulations Advisory Scheme (WRAS) or equivalent third-party certifiers.

Multi-Stage Filtration

The filter should clearly state that it reduces both dissolved and particulate lead, not just one form.

Cold-Water Use Only

Water filters must only be used with cold water. Hot water dissolves lead more readily and can also damage filter components.

Common Types of Water Filters Used for Lead Reduction

Under-Sink Water Filters

Installed beneath the kitchen sink and connected directly to the cold-water supply. These typically offer higher flow rates and longer cartridge life.

Tap-Mounted Water Filters

Fitted directly onto the end of a tap. These are easy to install but may have lower capacity and require frequent cartridge changes.

Jug Water Filters

Portable and convenient, but not all jug filters are certified for lead reduction. Performance varies widely, so product specifications must be checked carefully.

Maintenance and Correct Use

To remain effective, water filters must be installed correctly and maintained in accordance with the manufacturer's instructions. Filter cartridges must be replaced at the recommended intervals—failure to do so can reduce effectiveness or allow contaminants to pass through.

Important Note

Water filters do not remove lead pipes and should not be relied upon as a permanent solution. They are a temporary measure only, intended to reduce exposure while full lead pipe replacement is planned and completed.

For long-term safety, replacing all lead pipework—both underground and within the property—remains the only effective and permanent solution.

Frequently asked questions

Can a water filter remove lead?

It can reduce it, but not reliably remove it. Even certified filters typically lower lead levels rather than eliminate them, and because there is no safe level of lead exposure, remaining traces still carry risk. The only guaranteed fix is replacing the lead pipes.

When is a filter worth using?

As a short-term measure — while you are waiting for lead pipe replacement to be carried out, or where flushing the tap before use is not practical. Point-of-use filters can reduce both dissolved lead and small lead particles in the meantime.

What should I look for in a filter for lead?

Independent certification. In the UK, look for products tested and approved by recognised bodies such as the Water Regulations Advisory Scheme (WRAS), and check the filter is rated for both dissolved and particulate lead.

Do water filters improve taste?

Often, yes. Depending on the type, filters can lower levels of chlorine and some other substances, and many users notice improvements in taste and clarity — though performance varies significantly between products.

Who fixes water problems in Dorchester?

It depends on where the problem is.

Wessex Water looks after the water mains in the street, up to the boundary of your property. If a main bursts in the road, or your whole area loses water, that is their job to fix. You can call them on 0345 600 4 600.

The pipe that runs from the boundary into your home is called the supply pipe, and it belongs to you. If it leaks or needs replacing, the water company will not repair it. That is the work we do. We find the leak, repair it, or fit a new pipe.

The water in Dorchester is classed as hard, so the risk of limescale in kettles and boilers is high. A water filter can help — see our guide to water filters.

Wessex Water also handles wastewater and sewerage in Dorchester. The drains inside your boundary are your responsibility too. We clear and repair those as well.

One thing worth knowing. If you have a leak repaired on your side, most water companies will take something off your bill for the water that was lost. This is called a leak allowance. We give you the report and invoice you need to claim it.

Covering DT1, DT2, DT3 and DT4.