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How to Choose a Home Water Filter: 5 Easy Steps

How to Choose a Home Water Filter: 5 Easy Steps

Here are the top five considerations when selecting a home water treatment system:

1. Whole House or Drinking Water filtration?

There are basically two different types of water filter systems installed in homes:

  • Point of Use” (POU) system, like a reverse osmosis system installed under your kitchen sink
  • Point of Entry (POE) system filters all of the water coming into your home 

You’ll need to decide if you want to treat just the drinking water at your kitchen tap or would you like to treat ALL the water coming into the home? Often the best solution is a combination of whole house water treatment and further refined treatment at the kitchen sink for drinking and cooking.

2. Are you on private well or city water?

While our public water supply is relatively safe, there are hundreds of contaminants that are not regulated by the EPA. There’s also the frequency and inconvenience of boil water notices.

Those on private wells have their own set of concerns. Studies commonly find that 40% of private wells contain E. coli and/or coli form bacteria at any given time. UV water purification systems can provide whole home protection from harmful microorganisms. Depending on the contaminants and contaminant levels found in your water, a variety of treatment options are available.

3. How many bathrooms are in your home?

Some water treatment systems are sized based on the maximum water flow rate though your home. For example, in the morning you may have a shower going, a toilet flushing, the dishwasher running, and the washing machine on…all at the same time. How much water will flow through your home during these peak usage times? Knowing the number of bathrooms in a home is often a quick and simple way to determine the size needed of specific water treatment systems.

4. How many people are in your household?

Some water filtration systems are sized based on the average total water used by your household on a given day. In a typical 24-hour period, how much water is used in your home?

In general terms, knowing the number of people living in a household can often give clues about household water usage, and therefore what size water filtration system would be best suited for your home.

5. What’s in your water?

Knowing what’s in your water will play a big part in evaluating your water treatment needs. For example, if you have lead in your water, an ESP water specialists can direct you to a system that can remove lead. To find out what’s in your water, locate an “Annual Water Quality Report” from your local water supplier’s website.

The EPA requires all community water systems to prepare and deliver an annual water quality report, sometimes called a Consumer Confidence Report (CCR) for their customers. To find your local Consumer Confidence Report, visit this EPA website.