Clean, chemically treated drinking water is one of Australia’s most important resources. As one of the driest countries on the planet, the fact that the vast majority of our population has access to safe water is remarkable.

However, while Australia’s water supply is technically safe to drink, there is plenty of room for improvement. Even filtered and disinfected town water often contains impurities and contaminants that may contribute to allergies, skin irritation, and other sensitivities.

For those prone to eczema, psoriasis, dry skin, or allergies, understanding the impact of water quality on your health unlocks significant quality-of-life improvements. In this article, we’ll explore some of the most common tap water contaminants in Australia, how they can affect allergies and skin conditions, and solutions for people who want the best water possible.

Common Impurities in Australian Tap Water

Australian tap water undergoes rigorous treatment processes to remove harmful bacteria and contaminants, but traces of various substances can still be present. Some of the most common impurities found in drinking water include:

• Chlorine and Chloramines
• Heavy Metals (Lead, Copper, Mercury, etc.)
• Fluoride
• Hard Water Minerals (Calcium & Magnesium)
• Pesticides and Chemicals
• Microplastics and Sediments

While these substances are generally present at low levels, they may still cause irritation or exacerbate skin conditions in sensitive individuals.

How Tap Water Contaminants Affect Allergis & Skin Conditions

1. Chlorine and Chloramines

Chlorine is commonly added to Australian tap water as a disinfectant to kill harmful bacteria and viruses. While this helps keep drinking water safe, chlorine can also strip your skin and hair of natural oils, leading to dryness, irritation, and flare-ups of skin conditions like eczema and psoriasis.

Potential Effects:

• Increased skin dryness and tightness
• Worsening of eczema and psoriasis
• Scalp irritation and dandruff
• Possible respiratory irritation in people with asthma or allergies

Chloramines, a combination of chlorine and ammonia, are also used in some water supplies and may have similar effects on the skin and respiratory system. This chemical compound is much stronger than ordinary chlorine, allowing it to bypass ordinary water filters and remain intact in your water supply for longer. They have similar impacts on skin and allergies to ordinary chlorine but will often be present in higher concentrations.

2. Heavy Metals (Lead, Copper, Mercury, etc.)

Heavy metals can leach into tap water from old plumbing systems or natural sources. Exposure to high levels of heavy metals may contribute to skin irritation, rashes, and long-term health concerns from accumulating metal poisons like lead and mercury.

Potential Effects:

• Increased sensitivity and inflammation
• Contact dermatitis or allergic reactions
• Long-term exposure risks, including immune system stress

Although Australian water regulations limit heavy metal content, older homes with aging pipes or properties near industrial areas may be at a higher risk of contamination.

3. Fluoride

Fluoride is added to Australian tap water to support dental health, but some people report skin sensitivity, rashes, and acne-like reactions linked to fluoride exposure.

Potential Effects:

• Fluoride-induced dermatitis, a condition where skin becomes red, irritated, and inflamed
• Aggravation of sensitive skin conditions

While national policies and Australian health officials consider fluoride beneficial for dental care, those with fluoride sensitivity may wish to explore filtration options or alternative water sources.

4. Hard Water Minerals (Calcium & Magnesium)

Hard water contains higher levels of dissolved minerals like calcium and magnesium, which can make it difficult for soap and shampoo to lather and rinse away completely. This leaves a chemical residue on your skin and scalp, potentially worsening dryness and irritation.

Potential Effects:

• Dry, flaky skin and scalp
• Exacerbation of eczema and psoriasis
• Blocked pores and breakouts
• Hair damage and brittleness

Many Australian regions have moderate to hard water, making water softening solutions beneficial for those with sensitive skin or hair.

5. Pesticides and Chemical Residues

Agricultural runoff and urban pollution can introduce small amounts of pesticides and industrial chemicals into tap water. While these are strictly regulated, trace levels that entered water supplies downstream of testing points may still be present.

Potential Effects:

• Increased allergic reactions and skin irritation
• Hormonal disruptions, potentially affecting skin health
• Risk of long-term exposure concerns

For those with heightened sensitivities, filtered water can help reduce exposure to these unwanted substances.

6. Microplastics and Sediments

Microplastics and sediment particles can make their way into drinking water through environmental pollution and aging infrastructure. While research is still emerging, some studies suggest that microplastics may affect immune responses and contribute to skin irritation.

Potential Effects:

• Micro-abrasions and irritation on the skin
• Potential immune system effects with long-term exposure

Filtering out sediments and microplastics can provide peace of mind and reduce potential irritants.

How to Protect Your Skin from Tap Water Contaminants

1. Use a High-Quality Water Filtration System

The best way to reduce impurities in your tap water is by installing an advanced whole-home filtration system. These systems can effectively remove chlorine, heavy metals, and other contaminants that may be affecting your skin or exacerbating allergies.

Whole-home water filters have the advantage of taking chemicals and impurities out of your shower water, protecting you from the primary source of skin irritation from water in your home. Some high-quality systems (like Complete Home Filtration’s CHF 6000) have built-in water softeners, significantly reducing hard water minerals and making your skin and haircare products more effective in smaller doses.

2. Moisturise and Use Gentle Skincare Products

If your skin is reacting to tap water, consider using moisturisers and cleansers that are free from harsh chemicals and fragrances. Hydrating and barrier-repairing products can help counteract the drying effects of chlorine and hard water. This is often a good option for renters, as it doesn’t involve interfering with any of the property’s hardware or coordinating with landlords.

3. Shower with Filtered Water

A shower filter can help reduce chlorine and other impurities that come into contact with your skin and hair daily. This can be especially beneficial for people with eczema or sensitive skin. While whole-home filters provide a higher level of protection and bring benefits beyond just the shower head, filtered shower heads can be a simpler solution for renters or people living in apartments. 

4. Drink Plenty of Purified Water

Hydration plays a key role in skin health. Chemicals and impurities can strip away moisture from the outside, but this can be partially counteracted by staying hydrated on the inside. Opting for filtered drinking water can help reduce exposure to contaminants while supporting overall hydration, as our bodies absorb water without impurities much more efficiently.

Final Thoughts: Understanding Your Water Quality

While chemical treatments help keep Australian tap water safe to drink, it can still cause people with skin conditions, allergies, and specific sensitivities significant discomfort. If you’re noticing dry skin, eczema flare-ups, or unexplained irritation, your tap water could be a contributing factor.  

At Complete Home Filtration, we offer advanced filtration solutions designed to remove unwanted contaminants from your water, helping you take control of your household’s water quality. Our customers often report rapid, noticeable relief from conditions like eczema and psoriasis, and even those without conditions or sensitivities remark on the difference better water makes to the softness of their skin and hair.

Book a free in-home water test with one of our experts today to see what’s really in your water and discover the best filtration options for your home. Just send us a message below or call 1300 693 458!