Radon-in-Water Test

Radon is a radioactive gas that can infiltrate your water source. It is the second leading cause of lung cancer and when ingested, can cause stomach cancer. Radon is colorless, odorless, found across the U.S., and impossible to detect without proper testing. At WIN Home Inspection, our Radon-in-Water Test ensures the health of you and your loved ones through water sampling. Our certified inspectors use specialized equipment and partner with accredited laboratories to accurately detect and measure radon in drinking water.

WIN Home Inspector testing for radon in water
WIN Home Inspector testing for radon in water


Of lung cancer cases result from exposure to radon released into indoor air from water.

6 Million

Homes in the U.S. have radon levels above the recommended remediation level.


Of all stomach cancer cases are estimated to be caused by consuming water containing radon.

A women washing vegetables under the tap

Why Get a Radon-in-Water Test with WIN?

The U.S. Environmental Protection Agency (EPA) recommends having your home tested for radon every two years. Radon can be found both in your air and in your water. Testing your home and your water frequently is essential because radon can be prevalent in all homes in any region of the country and of any age. No home is immune to radon exposure. A Radon-in-Water Test is designed to identify even small levels of radon in your home to help you safeguard your health and reduce your risk of cancer and other illnesses.

Benefits of Radon-in-Water Test

Detect Early to Reduce Risk: The earlier high radon levels are detected, the sooner you can mitigate it and reduce the risk of developing cancer.
Protect Your Health: Prolonged exposure to radon is detrimental to your health, so it’s imperative that you have your home tested frequently.
Gain Peace of Mind: Live comfortably knowing that your home remains radon-free and your family safe from its hazardous health effects.

How Does a Radon-in-Water Test Work?

During a Radon-in-Water Test with WIN, our expert inspectors perform a comprehensive test to determine the levels of radon present in your home’s water.

A hand holding a container under running water


Collect the Samples

Our professional inspectors will collect water samples from your kitchen or bathroom faucet.



Send to Labs for Testing



Receive a Comprehensive Report


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WIN Home Inspection Reviews

Thank you for your service. You did in depth and through inspection. We would recommend you to anyone that Is looking to do a home inspection.

Gordy S.

They did a great job for my buyers. They booked the appointment very fast and efficiently. They had our results from the general inspection, pest and radon tests to us very quickly. Very nice and detailed reports.

Casie B.

WIN Home Inspection were great to work with. Prompt, professional, and thorough with the information we received. Highly recommended

Matthew M.

Thank you for your service. You did in depth and through inspection. We would recommend you to anyone that Is looking to do a home inspection.

Gordy S.


Yes, radon in water is a common concern for homes with private wells or groundwater sources. This naturally occurring radioactive gas can dissolve into the water and may pose serious health risks.
Yes, a high radon level in water can be addressed. Radon mitigation techniques, such as water aeration or activated-carbon treatment systems, can effectively reduce radon concentrations in your water supply, making it safe for consumption.
A Radon-in-Water Test typically takes about 30 minutes to collect the samples. You should receive your report with the lab results within a week.
If your radon-in-water levels measure below 300 pCi/L, typically, no further action is necessary. This indicates that your water supply has radon levels within a safe range for consumption. If the results of your Radon-in-Water Test show levels above 300 pCi/L, we recommend consulting with a radon mitigation specialist. They can provide you guidance and implement strategies to reduce radon concentration in your water supply, ensuring it is safe for consumption.
While radon-in-water testing is crucial for identifying radon in your water supply, it is not a substitute for radon-in-air testing. Both tests complement each other, providing a more complete picture of your overall radon exposure. To ensure your home's safety, it is advisable to perform both types of testing if radon is a concern.
Yes, it is highly recommended to consider radon-in-water testing when buying a new home with a private well. The radon levels in well water can vary, and testing will provide crucial information about the water quality in the specific home you are purchasing.
You should test for radon in your well water at least every two years. However, if you have made significant changes to your water system, it is a good idea to conduct a new test to ensure radon levels remain within safe limits.
Yes, radon levels in well water can change over time due to factors like changes in groundwater conditions. Regular testing helps monitor any fluctuations in radon levels, ensuring the safety of your water supply.
It is recommended to test your private well for radon before selling your home as conducting a Radon-in-Water Test provides valuable information to potential buyers and demonstrates your commitment to their health and safety. Some regions may have regulations that require sellers to mitigate high radon levels in well water before selling the property. Check with local authorities or consult a real estate professional for specific requirements in your area.
As with addressing any health or safety concern, radon-in-water testing could add value to your home, especially if you have a private well. Getting the proper testing and addressing any identified issues assures potential buyers that your water supply is safe, demonstrates your commitment as a seller, and makes your homes more attractive to buyers.