What Do You Do About Radon in Well Water?

Real Estate Agent with UNITED REAL ESTATE | Central PA RS193539L

Water in GlassesWhat do you do about radon in well water?

In most cases, radon entering the home through water is a small risk compared with radon entering your home from the soil.


The EPA says radon detected in private well water can be easily fixed through: Point-of-use or point-of-entry devices.


Point-of-entry devices treat all the water coming into the house and is recommended for removal of radon  and other contaminants that readily evaporate from the water into the air.  These devices minimize the risk of inhaling or ingesting chemicals from the shower, dishwasher, washing machine, or other places where the water is heated or stirred. The systems can use either aeration filters or granular activated carbon (the later usually the less costly).


Point-of-use devices such as those installed on a tap or under the sink will only treat a small portion of your water and are not effective in reducing radon in your water. These devices are not effective in reducing the risk from breathing radon released into the air from all water used in the home.


Keep in mind the importance of maintaining home water treatment units properly because failure to do so can lead to other water contamination problems.


For information on radon in water, testing and treatment, and radon in drinking water standards visit www.epa.gov.



Image courtesy of stockimage’s at FreeDigitalPhotos.net

Posted by



  Bette Brennan Gottwald, Realtor®, e-Proâ, RECS, CSP,
  Accredited Staging Professional  (ASP™) -  RS193539L    and
Joe Gottwald, Ph.D., Associate Broker – AB060350L
  State Certified Broker/Appraiser – BA001935L


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Comments (22)

Will Hamm
Hamm Homes - Aurora, CO
"Where There's a Will, There's a Way!"

Hello Bette,  Great blog and peoplewith wells needs to know that it can have radon in them.  Thanks


Feb 09, 2015 10:14 PM
Mark Don McInnes, Sandpoint
Sandpoint Realty LLC - Sandpoint, ID
North Idaho Real Estate - 208-255.6227

Hello Bette,  We test for Radon all the time.  This is the first I have heard about water also being a possible source.  Learn something in AR everyday.  Thank you for very important information.  Mark

Feb 11, 2015 09:19 AM
Alan Kirkpatrick
Austin Texas Homes - Round Rock, TX
Alan in Austin


Great post and very helpful. Hope you are having a wonderful week. 

Feb 11, 2015 11:18 PM
Larry Johnston
Broker, Friends & Neighbors Real Estate and Elkhart County Subdivisions, LLC - Elkhart, IN
Broker,Friends & Neighbors Real Estate, Elkhart,IN

Hi Bete,  Thanks for the information on radon in the water.  We just had our water tested and we don't have any problems.

Feb 12, 2015 12:24 PM
Yolanda Cordova-Gilbert
Richmond, TX


 This is a great article for those in the areas, thank goodness we do not have that problem but you never know where one moves to!

Feb 13, 2015 07:06 AM
Debbie Reynolds, C21 Platinum Properties
Platinum Properties- (931)771-9070 - Clarksville, TN
The Dedicated Clarksville TN Realtor-(931)320-6730

Very informative Bet. Radon doesn't seem to be a huge concern in my area. Maybe it is because we have city water and not that many basement homes.

Feb 13, 2015 01:54 PM
Endre Barath, Jr.
Berkshire Hathaway HomeServices - Beverly Hills, CA
Realtor - Los Angeles Home Sales 310.486.1002

Great information, not very prevalent in my Market Place outside of the Bel Air area it is virtually non existent...Endre

Feb 15, 2015 02:17 PM
Patricia Feager, MBA, CRS, GRI,MRP
Selling Homes Changing Lives

Bette, this is a great and information post that I think many people don't know or understand. You truly enlightened me today! Thanks for a great post and I hope it gets featured too!

Feb 18, 2015 08:16 AM
Chris Ann Cleland
Long and Foster REALTORS®, Gainesville, VA - Bristow, VA
Associate Broker, Bristow, VA

I never even knew that radon could get into water.  Thank goodness it seems to be an easily solved problem.

Feb 18, 2015 10:18 AM
Noah Seidenberg
Coldwell Banker - Evanston, IL
Chicagoland and Suburbs (800) 858-7917

Wow Bette, this is something I don't know much about. There is no Radon in the Chicago area, supposedly because it's near the lake? In all the years I have only had one person do a test and it was negative. They took air samples from the basement. Good topic. 

Feb 20, 2015 09:56 AM
Margaret Rome Baltimore 410-530-2400
HomeRome Realty 410-530-2400 - Pikesville, MD
Sell Your Home With Margaret Rome

Bette, Just had a radon test come in extremely high but thank goodness the radon in the water came in very low. We do learn so much as we continue to list and sell houses. Thanks for sharing.

Feb 21, 2015 10:32 AM
Mark Don McInnes, Sandpoint
Sandpoint Realty LLC - Sandpoint, ID
North Idaho Real Estate - 208-255.6227

Good morning Bette.  No posts in a bit but wanted to wish you the best for a fantastic Sunday.  Mark

Feb 21, 2015 06:57 PM
Roy Kelley
Realty Group Referrals - Gaithersburg, MD

This is very good information for families who use well water.

Feb 22, 2015 11:40 PM
Evelyn Johnston
Friends & Neighbors Real Estate - Elkhart, IN
The People You Know, Like and Trust!

I don't know if they don't test well water in our area for radon or not.  I have not had any come back saying it was there.  I will ask.

Feb 28, 2015 08:32 AM
Christine Donovan
Donovan Blatt Realty - Costa Mesa, CA
Broker/Attorney 714-319-9751 DRE01267479 - Costa M

Bette Gottwald  - This is something I'm not familiar with as it isn't something we don't much with. We are almost all on district water;

Feb 28, 2015 09:25 AM
Fred Griffin Tallahassee Real Estate
Fred Griffin Real Estate - Tallahassee, FL
Licensed Florida Real Estate Broker

We do the radon tests because of the civil liability, potential lawsuits, etc.  Better to get a clear letter and be on the safe side.

Feb 28, 2015 11:10 AM
Praful Thakkar
LAER Realty Partners - Andover, MA
Andover, MA: Andover Luxury Homes For Sale

Bette Gottwald excellent information. We do come across radon in New England area where some homes have well water!

Feb 28, 2015 11:32 AM
Bette Gottwald
UNITED REAL ESTATE | Central PA - Mechanicsburg, PA
"Bet"on Central PA Real Estate!

Thank you for your comments everyone.  It is important for everyone to be proactive and research their areas for the prevalence of radon. For non-smokers in this country, radon is the No. 1 cause of lung cancer.   To check your location visit EPA's Radon Zone Maps.

Mar 01, 2015 05:23 AM
Anita Clark
Coldwell Banker Access Realty ~ 478.960.8055 - Warner Robins, GA
Realtor - Homes for Sale in Warner Robins GA

Bette: Radon is something that most do not completely understand. Very good explanation on how to eliminate it in well water.

Mar 01, 2015 07:54 AM
Bette Gottwald
UNITED REAL ESTATE | Central PA - Mechanicsburg, PA
"Bet"on Central PA Real Estate!

Anita, In your area, it doesn't seem to be as much of a problem, but it isn't just a problem with well water unfortunately.

Mar 01, 2015 08:05 AM

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