Table of Contents
- Filtered Water vs Tap Water: A Practical Comparison
- Tap Water Safety: What You Need to Know
- What Do Water Filters Remove from Your Tap Water
- Water Filter Replacement Frequency and Maintenance Costs
- Filtered Water vs Bottled Water: The Real Cost Comparison
- Choosing Between Filtered and Tap Water for Your Home
- Conclusion
- Frequently Asked Questions
Last Updated: October 11, 2026
Filtered Water vs Tap Water: A Practical Comparison
When you turn on your kitchen tap, you're getting water that's already been treated by your local water authority. But when comparing filtered water vs tap water, which is better for your home? The answer depends on your local water quality, your health concerns, and what contaminants matter most to you. At Awesome Water®, we help households understand the real differences between filtered and tap water so you can make an informed choice about your drinking water.
The comparison between filtered water and tap water isn't straightforward because both have genuine advantages. Tap water is regulated, affordable, and requires zero maintenance. Filtered water removes specific contaminants that concern many families, but it costs more upfront and requires regular filter replacement. Understanding what each option actually delivers, and what it doesn't, is the key to choosing the right solution for your home.
Comparison Table: Key Differences at a Glance
| Factor | Tap Water | Filtered Water |
|---|---|---|
| Cost (monthly) | ~$2-5 | $15-40 depending on system |
| Contaminant Removal | Basic municipal treatment | Removes chlorine, heavy metals, fluoride, sediment |
| Maintenance | None | Filter replacement every 3-12 months |
| Taste & Odour | Often contains chlorine taste | Noticeably cleaner taste |
| Installation | Already available | Requires under-sink or countertop setup |
| Best For | General household use, washing | Drinking, cooking, health-conscious families |
Tap Water Safety: What You Need to Know
Your tap water is safe to drink. Water authorities treat municipal water to strict standards, removing harmful bacteria, viruses, and many chemical contaminants before it reaches your home. The regulatory framework ensures that tap water meets safety requirements for the vast majority of households. According to the National Health and Medical Research Council (2026), Australian drinking water guidelines are designed to protect public health.
However, safety and preference are different things. Tap water often contains residual chlorine used in the treatment process, that's what gives it that characteristic smell and taste. It may also contain dissolved minerals, sediment, or trace amounts of contaminants that don't pose immediate health risks but can affect taste and odour. Some families specifically want to remove fluoride, which is added to many water supplies for dental health but which some households prefer to avoid.
The key point: tap water won't make you sick. But it might not taste the way you want it to, and it may contain substances you'd prefer to filter out for personal reasons.
What Do Water Filters Remove from Your Tap Water
Water filters work by trapping contaminants as water passes through different layers of filtration media. The specific contaminants removed depend on the filter type and design.
Most household filters remove chlorine taste and odour, which is why filtered water tastes noticeably cleaner. Activated carbon filters, the most common type, excel at this. They also reduce volatile organic compounds, pesticides, and some heavy metals like lead and mercury.
More advanced systems like reverse osmosis go further. The Awesome Water 5 Stage Reverse Osmosis System uses five dedicated filtration stages, including a reverse osmosis membrane that reduces up to 99% of many unwanted contaminants. This includes fluoride, sediment, rust, and dissolved impurities that basic filters miss. For households concerned about heavy metals or fluoride specifically, reverse osmosis systems deliver more comprehensive treatment. Investing in such thorough purification clarifies why understanding the long-term filtration system benefits remains a vital consideration for any homeowner evaluating their domestic water quality.
Gravity-fed filters with ceramic cartridges offer a different approach; they're portable and require no electricity or plumbing, making them ideal for renters or travellers. The Awesome Water® Gravity-Fed Stainless Steel Water Filter removes bacteria, parasites, heavy metals, and chlorine whilst remaining compact enough to fit in a cupboard.
For apartments or rental properties where under-sink installation isn't possible, countertop systems like the Awesome Water® Doulton Double Countertop Water Filter sit directly on your sink. These systems remove chlorine, lead, chemicals, and heavy metals whilst leaving beneficial minerals like calcium and magnesium intact.
:::pro-tip Not all filters remove the same contaminants. If you're concerned about fluoride specifically, you need a system designed for fluoride reduction; standard carbon filters won't remove it. Reverse osmosis and some specialised filters target fluoride directly.
Water Filter Replacement Frequency and Maintenance Costs
Filter replacement is where the real cost of filtered water emerges. Unlike tap water, which requires nothing from you, filtered water systems need regular cartridge changes to maintain effectiveness.
Most standard filters last between 3 and 6 months, depending on water quality and usage. The Awesome Water® 3 Stage Under Sink Water Kit, for example, requires cartridge replacement at roughly 6-month intervals.
Reverse osmosis systems have longer filter life. The Awesome Water® 5 Stage Reverse Osmosis System's pre-filter cartridges should be replaced approximately every six months, whilst the reverse osmosis membrane itself lasts longer depending on incoming water quality and usage. The post-carbon polishing filter also requires periodic replacement.
The newer Awesome Water® Paragon CP-4 offers extended filter life, up to 12 months or 3,600 litres depending on water quality. This longer service interval reduces the frequency of maintenance and replacement costs.
When calculating true cost, factor in replacement cartridges. A system costing $189.99 upfront becomes more expensive when you add filter replacements. However, compared to purchasing bottled water at $60 per month, most filtered water systems break even within 6-12 months and then deliver significantly cheaper water.
Filtered Water vs Bottled Water: The Real Cost Comparison
This is where filtered water shows its strongest advantage. Bottled water costs considerably more than either tap water or filtered water over time.
A household spending $60 per month on bottled water, roughly $720 annually, could invest in a quality filtration system and pay far less. The Awesome Water® 5 Stage Reverse Osmosis System costs $494.99 upfront. Add annual filter replacement costs of roughly $100-150, and you're spending around $600 in year one, then $100-150 annually thereafter. Within two years, you've spent less than a single year of bottled water purchases whilst getting unlimited filtered water.
Awesome Water 5 Stage Reverse Osmosis System →
The Awesome Water® Doulton Double Countertop Water Filter costs $239.00 upfront and offers an even faster payback period. For renters or those wanting a temporary solution, the Awesome Water® Gravity-Fed Stainless Steel Water Filter at $490.00 requires no installation and produces filtered water anywhere, ideal for camping, travel, or emergency preparedness.
Beyond cost, filtered water eliminates the plastic waste associated with bottled water. A family purchasing bottled water generates significant plastic waste annually. Filtered water systems address both the financial and environmental concerns that drive many households toward alternatives to tap water.
Choosing Between Filtered and Tap Water for Your Home
The right choice depends on three factors: your local water quality, your specific health concerns, and your budget.
Choose tap water if: You're satisfied with the taste and odour, you have no concerns about specific contaminants, and cost is your primary consideration. Tap water is perfectly safe and requires zero maintenance.
Choose filtered water if: You want better-tasting water, you're concerned about chlorine taste, you want to remove fluoride, or you've identified specific contaminants in your local water supply. Filtered water makes sense if you're currently buying bottled water; the payback period is quick.
For specific concerns: If heavy metals like lead concern you, reverse osmosis systems like the Awesome Water® 5 Stage Reverse Osmosis System or the Awesome Water® Paragon CP-4 provide comprehensive reduction. If you want a portable solution, the Awesome Water® Gravity-Fed Stainless Steel Water Filter works anywhere without electricity or plumbing.
For renters or temporary situations: The Awesome Water® Doulton Double Countertop Water Filter or gravity-fed systems avoid installation headaches.
Most households find that filtered water becomes worthwhile once they've compared the cost to bottled water and identified what they want to remove from their tap water. The decision isn't about tap water being unsafe, it's about preference, specific contaminants, and long-term cost savings.
Conclusion
Filtered water isn't universally "better" than tap water, but for most households concerned about taste, specific contaminants, or cost compared to bottled water, it's the smarter choice. Tap water is safe and cheap. Filtered water costs more upfront but removes chlorine taste, heavy metals, fluoride, and sediment whilst eliminating the ongoing expense of bottled water.
The Awesome Water® range offers solutions for every situation: under-sink systems like the 5 Stage Reverse Osmosis System for comprehensive treatment, countertop options for renters, and portable gravity-fed filters for flexibility. Each system delivers cleaner, better-tasting water with the convenience of accessing filtered water straight from your tap.
Want to see how filtered water could work in your home? Explore the Awesome Water showroom or contact our team to discuss which system matches your water quality goals and lifestyle.
Additional External Resources:
For information on drinking water standards and safety, consult the National Health and Medical Research Council guidelines on drinking water quality. For understanding contaminant reduction in water filtration, the Water Services Association of Australia provides industry guidance. To learn more about fluoride in water supplies, the Australian Dental Association's information on water fluoridation offers evidence-based resources.
Frequently Asked Questions
Is filtered water safer than tap water?
Tap water in most areas is safe to drink and meets strict quality standards. However, filtered water can remove additional contaminants like chlorine, fluoride, and heavy metals that some households want to reduce. The Awesome Water® 5 Stage Reverse Osmosis System reduces up to 99% of many unwanted contaminants, including fluoride and heavy metals, giving you extra peace of mind if your local supply has specific concerns.
How often should you replace a water filter?
Replacement frequency depends on your system and water quality. The Awesome Water® 3 Stage Under Sink Kit's cartridges last 3-5 months or approximately 11,356 litres (3,000 gallons). The Paragon CP-4 filter lasts up to 12 months or 3,600 litres. Pre-filter cartridges in the 5 Stage Reverse Osmosis System should be replaced approximately every six months. Check your system's manual and monitor water flow to know when replacement is needed.
What do water filters remove from tap water?
Water filters remove different contaminants depending on their type. The Awesome Water® Doulton Double Countertop removes chlorine, lead, bacteria, sediment, and fluoride (97.6-99%). The Paragon CP-4 targets PFAS compounds (PFOA and PFOS), heavy metals, chlorine, pharmaceuticals, and particles down to 0.5 microns. The 5 Stage Reverse Osmosis System reduces fluoride, chlorine, sediment, rust, heavy metals, and volatile organic compounds.
Is filtered water worth the cost compared to bottled water?
Yes. A family spending $60 per month on bottled water would recover the cost of a $189.99 under-sink system in just three months, then save money indefinitely. Over a year, filtered water saves hundreds of dollars whilst eliminating plastic waste.