More people than ever are thinking about what’s in their drinking water. From lead and PFAS (“forever chemicals”) to microplastics and chlorine, consumers want to be confident that the water they drink is clean, safe, and tastes great.
But with so many options available, reverse osmosis, refrigerator filters, pitcher filters, bottled water, and point-of-use filtration, it can be difficult to know which solution is right for your home. Here’s how they compare.
Reverse Osmosis (RO) Systems
Reverse osmosis systems are often considered the gold standard for contaminant reduction. They use a semi-permeable membrane capable of removing an extremely wide range of contaminants.
Pros
- Excellent contaminant reduction
- Removes broad spectrum of contaminants
- Ideal for homes with significant water quality concerns
Cons
- Higher upfront & ongoing maintenance cost
- Often requires professional installation
- Slower water flow than a standard faucet
- Produces wastewater during filtration (needs to be drained/discarded)
- Removes many naturally occurring minerals, including calcium and magnesium, and can reduce other beneficial minerals found in drinking water
While some people prefer the purity of RO water, others choose filtration solutions that target harmful contaminants while leaving beneficial minerals behind.
Water Softeners
Water softeners are commonly mistaken for water filters, but they serve a very different purpose.
A water softener removes hardness minerals like calcium and magnesium that cause scale buildup on plumbing fixtures and appliances. This helps extend the life of water heaters, dishwashers, and pipes while improving soap performance.
However, a water softener is not designed to remove drinking water contaminants such as lead, PFAS, chlorine, microplastics, pharmaceuticals, or bacteria.
Pros
- Reduces hard water scale
- Protects plumbing and appliances
- Can extend lifespan of household fixtures
Cons
- Does not filter most harmful drinking water contaminants
- Requires salt and ongoing maintenance
- Should not be considered a substitutes for drinking water filtration
For many homes, a water softener and a drinking water filter work together, one protects your plumbing, while the other protects the water you drink.
Refrigerator Water Filters
Many people assume the water coming from their refrigerator dispenser is highly filtered, but that’s not always the case.
Most refrigerator filters are designed primarily to improve taste and reduce chlorine. Depending on the model, some also reduce additional contaminants like lead, but filtration performance varies significantly between brands and filter models.
Pros
- Convenient
- Improves taste and odor
- Uses existing appliance
Cons
- Limited contaminant reduction compared to dedicated filtration systems
- Small filter capacity and more frequent maintenance required
- Performance varies by refrigerator model
- Easy to forget to replace filters
If you’re relying solely on your refrigerator filter for comprehensive protection, it’s worth checking exactly what contaminants your specific filer is certified to reduce or exploring alternative filtration solutions.
Water Pitcher Filters
Pitcher filters are one of the most affordable ways to improve drinking water.
Most primarily target chlorine, taste and odor. Some premium models reduce additional contaminants, but filter life is relatively short and capacity is limited.
Pros
- Low cost
- No installation required
- Portable
Cons
- Small filtration capacity
- Frequent filter changes
- Slow refill process
- Limited contaminant reduction on many models
- Takes up refrigerator space
Pitchers are great for occasional use but can become inconvenient for families or anyone who drinks a lot of water.
Bottled Water
Many people turn to bottled water believing it’s cleaner than tap water.
In reality, bottled water varies widely. Some brands simply bottle municipal tap water after additional treatment, while others source from springs or purified water systems.
Perhaps more importantly, bottled water creates significant plastic waste, and ongoing costs.
Pros
- Convenient on the go
- Consistent taste
- No installation
Cons
- Most expensive option over time
- Creates plastic waste
- May contain microplastics from packaging
- Requires constant repurchasing
- Quality varies by brand
While bottled water may seem convenient, it’s often the least sustainable and most expensive long-term solution.
Why Point-of-Use Filtration Is the Best Balance
For most households, point-of-use filtration offers the best balance of contaminant reduction, convenience, cost, and sustainability.
Rather than removing nearly everything from your water, high-quality point-of-use filtration is designed to target the contaminants that matter most—including lead, PFAS (forever chemicals), chlorine, microplastics, and other certified contaminants—while allowing naturally occurring beneficial minerals, such as calcium and magnesium, to remain in the water.
Because point-of-use filtration treats water at the faucet or dispenser where it’s consumed, it also provides an extra layer of protection against contaminants that may enter through aging service lines, household plumbing, or fixtures after water leaves the municipal treatment plant.
Benefits of Point-of-Use Filtration
- Filters water immediately before you drink it
- Reduces contaminants like lead, PFAS, chlorine, and microplastics (depending on filter certification)
- Retains beneficial minerals naturally found in drinking water
- Improves taste and odor without stripping away everything in the water
- More affordable than buying bottled water over time
- More sustainable by reducing single-use plastic waste
- Convenient access to cleaner drinking water directly from the tap
- High-capacity filters typically last much longer than pitcher or many refrigerator filters
Instead of wondering whether the water reaching your glass picked up contaminants somewhere along the way, point-of-use filtration gives you added confidence at the point where it matters most.
Learn more about Elkay's Point-of-Use Filtration Solutions
The Bottom Line
Every filtration option has its place.
Reverse osmosis provides exceptional contaminant removal but comes with higher cost and maintenance.
Refrigerator filters offer convenience but often provide more limited filtration.
Pitcher filters are affordable but have lower capacity and require frequent refills.
Bottled water is convenient but expensive, wasteful, and not necessarily cleaner.
Point-of-use filtration delivers an ideal balance of contaminant reduction, convenience, sustainability, and value for everyday drinking water.
No matter where your water comes from, filtering it where you actually drink it provides an extra layer of confidence that can help protect against contaminants that may enter after water leaves the treatment plant.
Because when it comes to drinking water, the safest water isn’t just treated at the source, it’s filtered where you use it.
About Elkay
Elkay®, part of the Zurn Elkay family of brands, specializes in water solutions that improve the health, safety and experience of our customers and end users. Our world-class portfolio includes filtered bottle filling stations, water coolers, faucets and sinks for schools, airports, healthcare facilities, homes and more. We offer a diverse range of highly functional, visually striking products that elevate spaces, reduce waste, meet strict compliance standards and provide safer, better-tasting water. Visit elkay.com.
Author: Nicole Anderson, Product Marketing Manager
Email: Nicole.Anderson@Zurn.com