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Wisconsin Radon Information

Wisconsin Radon Program:

Radon Website: Website
Radon Contact: Walt Smith
Active Radon Program: Yes
Require License for Radon Professionals: No

Wisconsin is the 23rd most expansive state in terms of size and the 20th most populous.

Wisconsin does have an active radon program, dedicated to educating citizens about the risks associated with the deadly gas. You can find more information on Radon, testing and mitigation at the official page.

The radon levels in Wisconsin are above average in most areas of the state. That being said, there is an increased risk for all homeowners, which is why we recommend testing exposure levels at least twice a year.

Wisconsin 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 Wisconsin contractors to help you save time.

Wisconsin Radon Mitigation

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

Wisconsin 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

Wisconsin Radon Levels

Map of Wisconsin 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.

Wisconsin Radon Statistics

Wisconsin has 70 counties and 26 (37%) 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. Wisconsin's state radon zone average is 1.63, which is the average of all county zone ratings the EPA has assigned the state, ranking it 18 among all states.

Wisconsin Radon Contractor License Information

Does Wisconsin require contractors to be licensed? No.

What are the licensing requirements? There are no state mandated requirements to become a licensed radon contractor in Wisconsin. Those looking for a radon certification can take qualified third party courses that are offered through the NRPP or AARST.

Wisconsin Radon Real Estate Requirements

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

However both the state of Wisconsin and the EPA recommend that a home or residence should be tested before a real estate transaction is carried out. Even though Wisconsin 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. Wisconsin radon mitigation is not expensive compared to the dangers and a system can be implemented in a relatively short period of time.

Browse The National Radon Directory by City

Abbotsford
Abrams
Adams
Adell
Albany
Algoma
Allenton
Alma
Alma Center
Almena
Almond
Altoona
Amberg
Amery
Amherst
Amherst Junction
Aniwa
Antigo
Appleton
Arcadia
Arena
Argonne
Argyle
Arkansaw
Arkdale
Arlington
Armstrong Creek
Arpin
Ashland
Athelstane
Athens
Auburndale
Augusta
Avalon
Avoca
Bagley
Baileys Harbor
Baldwin
Balsam Lake
Bancroft
Bangor
Baraboo
Barneveld
Barron
Barronett
Bay City
Bayfield
Bear Creek
Beaver Dam
Beldenville
Belgium
Belleville
Belmont
Beloit
Benton
Berlin
Big Bend
Birchwood
Birnamwood
Black Creek
Black Earth
Black River Falls
Blair
Blanchardville
Bloomer
Bloomington
Blue Mounds
Blue River
Bonduel
Boscobel
Boulder Junction
Bowler
Boyceville
Boyd
Brandon
Brantwood
Briggsville
Brillion
Bristol
Brodhead
Brookfield
Brooklyn
Brownsville
Browntown
Bruce
Brule
Brussels
Bryant
Burlington
Burnett
Butler
Butternut
Cable
Cadott
Caledonia
Cambria
Cambridge
Cameron
Camp Douglas
Campbellsport
Caroline
Cascade
Casco
Cashton
Cassville
Catawba
Cazenovia
Cecil
Cedar Grove
Cedarburg
Centuria
Chaseburg
Chetek
Chili
Chilton
Chippewa Falls
Clam Lake
Clayton
Clear Lake
Cleveland
Clinton
Clintonville
Cobb
Cochrane
Colby
Coleman
Colfax
Colgate
Coloma
Columbus
Combined Locks
Comstock
Conover
Conrath
Coon Valley
Cornell
Cornucopia
Cottage Grove
Couderay
Crandon
Crivitz
Cross Plains
Cuba City
Cudahy
Cumberland
Curtiss
Cushing
Custer
Dallas
Dalton
Danbury
Dane
Darien
Darlington
De Forest
De Pere
De Soto
Deer Park
Deerbrook
Deerfield
Delafield
Delavan
Denmark
Dodge
Dodgeville
Dorchester
Dousman
Downing
Dresser
Drummond
Dunbar
Durand
Eagle
Eagle River
East Troy
Eastman
Eau Claire
Eau Galle
Eden
Edgar
Edgerton
Egg Harbor
Eland
Elcho
Eldorado
Eleva
Elk Mound
Elkhart Lake
Elkhorn
Ellison Bay
Ellsworth
Elm Grove
Elmwood
Elroy
Elton
Endeavor
Ettrick
Evansville
Exeland
Fairchild
Fall Creek
Fall River
Fence
Fennimore
Ferryville
Fifield
Fish Creek
Florence
Fond Du Lac
Fontana
Forest Junction
Forestville
Fort Atkinson
Fountain City
Fox Lake
Foxboro
Franklin
Franksville
Frederic
Fredonia
Fremont
Friendship
Galesville
Gays Mills
Genoa
Genoa City
Germantown
Gile
Gillett
Gilman
Gleason
Glen Flora
Glen Haven
Glenbeulah
Glenwood City
Glidden
Goodman
Gordon
Grafton
Grand Marsh
Grand View
Granton
Grantsburg
Gratiot
Green Bay
Green Lake
Green Valley
Greendale
Greenleaf
Greenville
Greenwood
Gresham
Hager City
Hales Corners
Hammond
Hancock
Harshaw
Hartford
Hartland
Hatley
Haugen
Hawkins
Hayward
Hazel Green
Hazelhurst
Helenville
Herbster
Hertel
Hewitt
High Bridge
Highland
Hilbert
Hillpoint
Hillsboro
Hixton
Holcombe
Hollandale
Holmen
Horicon
Hortonville
Houlton
Hubertus
Hudson
Humbird
Hurley
Hustisford
Independence
Iola
Irma
Iron Ridge
Iron River
Ixonia
Jackson
Janesville
Jefferson
Jim Falls
Johnson Creek
Juda
Junction City
Juneau
Kansasville
Kaukauna
Kendall
Kennan
Kenosha
Keshena
Kewaskum
Kewaunee
Kiel
Kimberly
Knapp
Kohler
Krakow
La Crosse
La Farge
La Valle
Lac Du Flambeau
Ladysmith
Lake Geneva
Lake Mills
Lake Nebagamon
Lake Tomahawk
Lakewood
Lancaster
Land O Lakes
Lannon
Laona
Larsen
Lena
Leopolis
Linden
Little Chute
Little Suamico
Livingston
Lodi
Loganville
Lomira
Lone Rock
Long Lake
Lowell
Loyal
Lublin
Luck
Luxemburg
Lyndon Station
Madison
Maiden Rock
Malone
Manawa
Manitowish Waters
Manitowoc
Maple
Marathon
Marengo
Maribel
Marinette
Marion
Markesan
Marshall
Marshfield
Mason
Mauston
Mayville
Mazomanie
Mc Farland
Medford
Mellen
Melrose
Menasha
Menomonee Falls
Menomonie
Mequon
Mercer
Merrill
Merrillan
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Middleton
Milladore
Milltown
Milton
Milwaukee
Mindoro
Mineral Point
Minocqua
Minong
Mishicot
Mondovi
Monroe
Montello
Montfort
Monticello
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Mosinee
Mount Calvary
Mount Hope
Mount Horeb
Mountain
Mukwonago
Muscoda
Muskego
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Necedah
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Neillsville
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Nelson
Neopit
Neosho
Neshkoro
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New Holstein
New Lisbon
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New Richmond
Newton
Niagara
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North Prairie
Norwalk
Oak Creek
Oakfield
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Oconto
Oconto Falls
Ogdensburg
Ogema
Ojibwa
Okauchee
Omro
Onalaska
Oneida
Ontario
Oostburg
Oregon
Orfordville
Osceola
Oshkosh
Osseo
Owen
Oxford
Palmyra
Pardeeville
Park Falls
Pearson
Pelican Lake
Pembine
Pepin
Peshtigo
Pewaukee
Phelps
Phillips
Pickerel
Pickett
Pine River
Pittsville
Plain
Plainfield
Platteville
Pleasant Prairie
Plover
Plum City
Plymouth
Poplar
Port Edwards
Port Washington
Port Wing
Portage
Porterfield
Potosi
Pound
Poy Sippi
Poynette
Prairie Du Chien
Prairie Du Sac
Prairie Farm
Prentice
Prescott
Presque Isle
Princeton
Pulaski
Racine
Radisson
Randolph
Random Lake
Readstown
Redgranite
Reedsburg
Reedsville
Reeseville
Rewey
Rhinelander
Rib Lake
Rice Lake
Richfield
Richland Center
Ridgeland
Ridgeway
Ringle
Rio
Ripon
River Falls
Roberts
Rock Springs
Rockland
Rosendale
Rosholt
Rothschild
Rubicon
Rudolph
Saint Cloud
Saint Croix Falls
Saint Francis
Saint Germain
Salem
Sarona
Sauk City
Saukville
Saxon
Sayner
Scandinavia
Schofield
Seymour
Sharon
Shawano
Sheboygan
Sheboygan Falls
Sheldon
Shell Lake
Sherwood
Shiocton
Shullsburg
Silver Lake
Siren
Sister Bay
Slinger
Sobieski
Soldiers Grove
Solon Springs
Somerset
South Milwaukee
South Range
South Wayne
Sparta
Spencer
Spooner
Spring Green
Spring Valley
Springbrook
Stanley
Star Lake
Star Prairie
Stetsonville
Steuben
Stevens Point
Stitzer
Stockholm
Stoddard
Stone Lake
Stoughton
Stratford
Strum
Sturgeon Bay
Sturtevant
Suamico
Sullivan
Summit Lake
Sun Prairie
Superior
Suring
Sussex
Taylor
Theresa
Thiensville
Thorp
Three Lakes
Tigerton
Tilleda
Tomah
Tomahawk
Tony
Townsend
Trego
Trempealeau
Trevor
Tripoli
Turtle Lake
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Two Rivers
Union Grove
Unity
Upson
Valders
Van Dyne
Verona
Vesper
Viola
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Walworth
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Westfield
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Wheeler
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Whitehall
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Wild Rose
Willard
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Wilson
Wilton
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Wisconsin Dells
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Withee
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Woodman
Woodruff
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Wrightstown