You may be staying sufficiently hydrated, eating nutritiously well, and sticking to your skincare routine - yet you end up dealing with frequent illnesses, breakouts, and excessive hair fall. It’s frustrating, especially when you’re supposedly doing everything ‘right’.

But the thing is, the problem might not be your diet or routine. It could be what’s coming out of your tap. That’s why knowing how to test water quality is essential.

In this beginner-friendly InHaus Lab guide, we walk you through the simple steps to check your drinking water quality and understand what’s really in it.

Why is a Drinking Water Check Important?

If your drinking water looks clean, smells normal, and tastes fine, you might wonder why a water quality test is needed. You see, even if your water looks ‘clean’, it may still be hiding contaminants that are invisible, odorless, and tasteless. 

An Environmental Working Group study linked contaminated tap water to an estimated 100,000 cancer deaths in the U.S. Apart from serious long-term illnesses like cancer, water contaminants can also result in gastrointestinal issues, liver problems, kidney damage, and skin problems. 

For instance, one Reddit user in Utah shared that after moving into a rental home, their family began experiencing mood swings, behavioral issues in their children, hair loss, and other health problems.

It wasn’t until their one-year-old was tested and found to have dangerously high lead levels that they traced the issue back to contaminated tap water.

The only way to ensure your hydration goals aren’t quietly affecting your health is through proper water testing. By conducting frequent drinking water checks, you can identify potential issues early and take the necessary steps to protect yourself and your family. 

Understanding How to Test Water Quality at Home: A Step-by-Step Guide

Don't worry if you're not sure about the safety of your household water. There are plenty of water testing kits available in the market that can help you figure this out. While some of these water test kits test for specific contaminants, others test for a broader range of impurities. 

But what’s the water testing process like? We explain this below with a simple step-by-step guide any beginner can use.

Step 1: Identify the Source of Your Water Supply

To start things off, you need to identify where your water comes from. Does it come from a private well? Or, does it come from the local municipal water supply? Figuring this out will determine your next steps. 

• If you use municipal water: If you’re like 90% of Americans and get your water from a public drinking system, know that it’s regulated by the EPA and your state. These systems must meet the EPA’s minimum safety standards for over 90 water contaminants.

Apart from that, they also have to send you an annual Consumer Confidence Report outlining the safety of your drinking water. If you haven’t received one or need more information about testing, you can contact your water provider. 

• If you use private well water: The EPA estimates that about 15% of the U.S. population relies on private water supplies for drinking water. If you fall within this group, you are solely responsible for maintaining the safety of your water supply. 

In other words, drinking water checks are on you, not the government. That’s why the EPA recommends testing annually. And, homeowners with private wells should also consider professional water testing for more comprehensive results.

Step 2: Choose the Right Water Testing Method for Your Home

The next step on how to test water quality at home is choosing a testing method. There are a number of water test kits available on the market. Some offer results instantly, while others require mailing for lab analysis. Most common types of water test kits include:

• Test Strips: These are quick and budget-friendly water test kits. You simply need to dip these strips into the water sample and compare the results with the chart provided. 
• Color Disk Kits: Color disk kits are a bit more expensive than test strips. With these kits, you have to add the sample water to a jar containing the powder reagent. 
• Digital Test Meters: Digital test meters help you measure multiple parameters, such as pH, TDS, and temperature, with a single hand-held device.
• Laboratory Testing: One of the most effective ways to test your drinking water is to purchase a water test kit from an EPA- or state-certified lab. These kits typically check for 200+ contaminants, making them comprehensive options. But the self-mail-in process can be a problem.
• Professional Testing Service: You can opt for professional water testing. This method offers the most accurate results with zero sampling and mailing hassles. A comprehensive home inspection water test also helps you understand the results and next steps.  
  

So, which one should you choose? That depends on your budget and the type of contaminants that may be in your water supply. This brings us to the next step on how to consider the right water quality test type at home.

Step 3: Consider Testing for Specific Contaminants

So how do you know what to look for during your drinking water check? It’s simple. Here’s what you can do:

• Review Reports: Look through your water supplier’s CCR and the Tap Water Database. In these reports, you’ll find some of the contaminants recently identified in your water.
• Check the Taste of the Water: Some contaminants alter the taste of your water. For example, a bitter or metallic taste may indicate the presence of contaminants such as lead and copper.
• See if the Water is Smelling: Smell the water for bleach or metal-like smells. For instance, if your water smells like ‘rotten eggs’, it may contain hydrogen sulphide.
• Keep an Eye on Mass Contamination News: Stay aware of local contamination incidents, such as chemical spills or accidents, since they can release specific pollutants into groundwater and affect private wells.
• Step 4: Follow the Directions of the Test 

If you’re using a DIY water test kit, read the instructions on it carefully. This will help you understand the proper way to collect a water sample and ensure it is properly representative of your water. 

For instance, if the test measures lead in your water, it might ask you to collect the water from the first draw in the morning. 

Step 5: Interpret Results Using EPA and State Guidelines

You’ve completed all the steps listed on the test kit and now have the results. You might be wondering what’s next? The answer is interpretation. 

The EPA has created safe legal standards for over 90 contaminants in the National Primary Drinking Water Regulations. Here’s a list of some common contaminants and their maximum acceptable limits as per these standards:

States may also establish their own guidelines under the Safe Drinking Water Act. These limits are generally stricter than EPA standards. 

To make interpretation easier, most DIY water test kits include a reference chart for the contaminants they measure. If your test requires mailing in the sample, you may receive a comprehensive report from the lab with excess contaminant levels highlighted.

Want to avoid the hassles? Call InHaus Lab. 

We’ll complete a thorough water-quality test for your home and give you jargon-free, lab-verified results so you know exactly what’s wrong with your water.

Why Professional Water Testing Makes a Difference?

‘If a DIY water test kit is readily available in the market, why should I spend more for professional water testing?’ This is a common question most homeowners ask.

The answer is simple: Choose a professional water testing service for accurate results and in-depth analysis. 

DIY test results depend on how you collect the sample, perform the test, and interpret the results. If there’s a misstep in any of these, your results may be inaccurate. Moreover, home water test kits that don’t use laboratory analysis cannot detect certain biological contaminants, such as E. coli and viruses. 

Professional water testing, on the other hand, makes a difference because:

• Professionals use certified lab equipment that can detect contaminants at very low levels, reducing the risk of false readings
• Tests for a wider range of contaminants, including heavy metals, PFAS, and microorganisms
• Trained specialists explain what your results mean and whether any levels exceed safety standards set by regulators
• Professional water testing follows strict procedures, ensuring samples aren’t contaminated, and results are reliable
• Experts can recommend the right treatment or filtration solutions for your home based on your results
  

Call InHaus Lab, and get a quote in 30 minutes. 

Unsure About the Safety of Your Drinking Water? We’re Here to Help

So now you know how to test water quality at home. While having this knowledge is useful for a quick DIY test if your water tastes or smells weird, it’s always best to call in professionals for more accurate and thorough analysis. 

Professional water testing can identify what’s wrong with your water and help protect your loved ones' health. 

If you’re looking for professional water testing services in Aspen or Minneapolis, you can get in touch with InHaus Lab: the trusted home safety partner for homeowners. 

Our certified experts will come in, test your water in accordance with EPA standards, and provide science-backed results you can trust. 

How to Test Water Quality at Home FAQs

1. How often should you test the water quality at home?

According to the CDC, well water should be tested at least once a year for coliform bacteria, dissolved solids, pH levels, and nitrates. 

Community water systems are tested regularly as per the Safe Drinking Water Act. But if you still want to test, do so if there’s any change in color, taste, or smell. Testing is also needed if you receive a notice from the public water utility about contamination.

2. Are home water test kits reliable?

The accuracy and reliability of your water test kit depend on the manufacturer and how closely you followed the instructions. Typically, mail-in lab tests are more reliable than test kits without lab analysis. That said, professional water testing remains the most reliable way to determine what’s in the water.

 3. What should you do if you find issues with your water quality?

If testing reveals water contaminants, you can try some of the following things:

• Consult a professional for comprehensive guidance on the best next steps
• Install a water filter that works specifically for the type of contaminant found in your water
• Boil your water to kill bacteria, viruses, and parasites
• Call the local health department and water supplier (if you use municipal water)

4. I get water from a private well. How can I test my well water?

Private well water testing is the responsibility of the well owner. This means you have to test it annually to ensure the water is safe for drinking, showering, and cooking. Since well water can be high in heavy metals like lead, arsenic, and copper, it’s recommended that you use professional water testing services like InHaus Lab to obtain accurate, in-depth results. 

5. How much does a home water quality test cost?

Basic DIY water test kits can cost between $15 and $100. For professional water quality testing, costs can vary between $100 to $400, depending on the number of tests needed and the type of water source. Full home water inspection tests may cost more.

6. How will I know if my drinking water is safe in 2026?

The only way to know whether your drinking water is safe is to test it. If your water tastes, smells, or looks weird, you can start with a simple DIY water test kit. If you find contaminants in these tests or want more comprehensive results, call a professional water testing service.

7. Which is the ‘best’ water quality test in 2026?

As such, there is no ‘best’ test for a home. The most useful test for your home depends on your water source, concerns, and budget. For instance, chlorine, hardness, and PFAS may be chief issues for public water users, while nitrates and heavy metals may concern well water users more (that’s not to say these are exclusive to either). 

That’s why professional water testing services are required in 2026. They may be able to best guide you through the testing process based on your location and potential contaminant concerns.

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References:

• EPA, Information About Public Water Systems
• EPA, Private Drinking Water Wells
• EWG
• EPA, National Primary Drinking Water Regulations