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Iowa Radon Information

Iowa Radon Program:

Radon Website: Website
Radon Contact: Rick Welke
Active Radon Program: Yes
Require License for Radon Professionals: Yes

Iowa Radon Levels

Iowa has a user submitted radon level of 10.29. This is based on data submitted from visitors on our site. Learn more here.

EPA Radon Levels

Iowa has 98 counties and 98 (100%) have been assigned Zone 1 counties by the EPA. Zone 1 counties have the highest potential to have homes test higher than 4 pCi/L. Iowa's state radon zone average is 1, which is the average of all county zone ratings the EPA has assigned the state, ranking it 1 among all states.

The radon levels in the entire state of Iowa are above average. It has been identified by the US EPA as a zone 1 state, which means that at least 50% of the homes have tested above the recommended action level. Long story short, there’s an increased risk for all homeowners, which is why we recommend testing exposure levels at least twice a year.


Iowa Radon Mitigation and Testing

Need your home tested for radon? Already know you have high levels and need a radon reduction system installed? Finding qualified Radon professionals can be difficult, but we've put together a list of Iowa contractors to help you save time.

Iowa Radon Mitigation

We have compiled a list of qualified radon mitigation contractors.
Find Radon Mitigation Contractors here

Iowa Radon Testing

Need your home or office tested for Radon? We have compiled a list of qualified radon testing contractors.
Find Radon Testing Contractors here


Iowa Radon Contractor License Information

Does Iowa require contractors to be licensed? Yes.

What are the licensing requirements? The requirements are as follows:

  1. Attend and complete an approved qualification course.
  2. Obtain proof of certification and NRPP listing, and include it with application from the next step.
  3. Submit certification application, along with the non-refundable fee to the Iowa Department of Health.


Iowa Radon Real Estate Requirements

Does the state of Iowa require radon testing for all real estate transactions? No

However both the state of Iowa and the EPA recommend that a home or residence should be tested before a real estate transaction is carried out. Even though Iowa does not require radon testing, we certainly recommend you have a test performed before you purchase a home. If you decide to perform a test after and find elevated levels, there is no reason to panic. Iowa radon mitigation is not expensive compared to the dangers and a system can be implemented in a relatively short period of time.


Iowa Radon Map

Map of Iowa Radon Levels

Zone 1 (1): Potential for radon levels above 4 pCi/L according to EPA
Zone 2 (2): Potential for radon levels between 2 pCi/L and 4 pCi/L according to the EPA
Zone 3 (3): Lowest EPA level with expected radon levels at or below 2 pCi/L
Disclaimer: It is strongly recommended that all households, schools and office spaces test radon levels individually. The EPA Radon Zone data is not an indicator of individual test results, but a guideline for strategic planning. Toxic radon levels can be found in all counties, regardless of their zone rating. While we make efforts to keep this information up to date, it is derived from third­party sources which may not be accurate or reflect the most current statistics.


About Iowa

Iowa is the 26th most expansive state in terms of area, and is also the 30th most populous. The state maintains a commendable radon program, and they have plenty of information listed on the official site. According to findings by the Iowa Radon Survey, Iowa has the largest percentage of homes well above the US EPA action level of 4pCi/L - a total of 71.6%.


Browse The National Radon Directory by City

Ackley
Ackworth
Adair
Adel
Afton
Agency
Ainsworth
Akron
Albert City
Albia
Albion
Alburnett
Alden
Alexander
Algona
Alleman
Allerton
Allison
Alta
Alta Vista
Alton
Altoona
Alvord
Amana
Ames
Anamosa
Anita
Ankeny
Anthon
Aplington
Arcadia
Archer
Aredale
Argyle
Arion
Arlington
Armstrong
Arnolds Park
Arthur
Ashton
Atalissa
Atkins
Atlantic
Auburn
Audubon
Aurelia
Aurora
Austinville
Avoca
Ayrshire
Badger
Bagley
Baldwin
Bancroft
Barnes City
Barnum
Batavia
Battle Creek
Baxter
Bayard
Beacon
Beaman
Bedford
Belle Plaine
Bellevue
Belmond
Bennett
Benton
Bernard
Bettendorf
Bevington
Birmingham
Blairsburg
Blairstown
Blakesburg
Blanchard
Blencoe
Blockton
Bloomfield
Blue Grass
Bode
Bonaparte
Bondurant
Boone
Booneville
Bouton
Boyden
Braddyville
Bradgate
Brandon
Brayton
Breda
Bridgewater
Brighton
Bristow
Britt
Bronson
Brooklyn
Bryant
Buckingham
Buffalo Center
Burlington
Burt
Bussey
Calamus
Callender
Calmar
Camanche
Cambridge
Cantril
Carbon
Carlisle
Carpenter
Carroll
Carson
Carter Lake
Cascade
Casey
Castalia
Castana
Cedar
Cedar Falls
Cedar Rapids
Center Junction
Center Point
Centerville
Central City
Chapin
Chariton
Charles City
Charlotte
Charter Oak
Chatsworth
Chelsea
Cherokee
Chester
Chillicothe
Churdan
Cincinnati
Clare
Clarence
Clarinda
Clarion
Clarksville
Clear Lake
Clearfield
Cleghorn
Clemons
Clermont
Clinton
Clio
Clive
Clutier
Coggon
Coin
Colesburg
Colfax
Collins
Colo
Columbia
Columbus City
Columbus Junction
Colwell
Conesville
Conrad
Coon Rapids
Cooper
Coralville
Corning
Correctionville
Corwith
Corydon
Council Bluffs
Crawfordsville
Crescent
Cresco
Creston
Cromwell
Cumberland
Cumming
Curlew
Cushing
Cylinder
Dakota City
Dallas Center
Dana
Danbury
Danville
Davenport
Davis City
Dawson
Dayton
De Soto
De Witt
Decatur
Decorah
Dedham
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Delaware
Delhi
Delmar
Deloit
Delta
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Denver
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Dexter
Diagonal
Dickens
Dike
Dixon
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Donahue
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Douds
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Dows
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Dysart
Eagle Grove
Earlham
Earling
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Early
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Edgewood
Elberon
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Eldridge
Elgin
Elk Horn
Elkader
Elkhart
Elkport
Elliott
Ellston
Ellsworth
Elma
Ely
Emerson
Emmetsburg
Epworth
Essex
Estherville
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Everly
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