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Montana Radon Information

Montana Radon Program:

Radon Website: Website
Radon Contact: Darrick Turner
Active Radon Program: Yes
Require License for Radon Professionals: No

Montana is the 4th most expansive state in terms of size and the 44th most populous. It also happens to be the 48th most densely populated in the entire US.

Montana 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 Montana are above average in many areas of the state. As depicted by level map hosted at Montana Department of Health, all but a small handful of counties are prone to elevated radon levels. As such, there’s an increased risk for all homeowners, which is why we recommend testing exposure levels at least twice a year.

Montana 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 Montana contractors to help you save time.

Montana Radon Mitigation

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

Montana 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

Montana Radon Levels

Map of Montana 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.

Montana Radon Statistics

Montana has 56 counties and 49 (88%) 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. Montana's state radon zone average is 1.13, which is the average of all county zone ratings the EPA has assigned the state, ranking it 4 among all states.

Montana Radon Contractor License Information

Does Montana require contractors to be licensed? No.

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

Montana Radon Real Estate Requirements

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

However both the state of Montana and the EPA recommend that a home or residence should be tested before a real estate transaction is carried out. Even though Montana 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. Montana 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

Absarokee
Acton
Alberton
Alzada
Anaconda
Angela
Antelope
Arlee
Ashland
Bainville
Baker
Ballantine
Bearcreek
Belfry
Belgrade
Belt
Biddle
Big Arm
Big Sandy
Big Timber
Bigfork
Bighorn
Billings
Birney
Black Eagle
Bloomfield
Bonner
Boulder
Box Elder
Boyes
Bozeman
Brady
Bridger
Broadus
Broadview
Brockton
Brockway
Browning
Brusett
Buffalo
Busby
Butte
Bynum
Cameron
Canyon Creek
Capitol
Cardwell
Carter
Cascade
Charlo
Chester
Chinook
Choteau
Circle
Clancy
Clinton
Coffee Creek
Cohagen
Columbia Falls
Columbus
Condon
Conner
Conrad
Corvallis
Crow Agency
Culbertson
Custer
Cut Bank
Dagmar
Darby
Dayton
Decker
Deer Lodge
Denton
Dillon
Divide
Dixon
Dodson
Drummond
Dutton
East Helena
Edgar
Ekalaka
Elmo
Emigrant
Ennis
Essex
Eureka
Fairfield
Fairview
Fallon
Fishtail
Flaxville
Florence
Floweree
Forest Grove
Forsyth
Fort Benton
Fort Peck
Fort Shaw
Frazer
Frenchtown
Froid
Fromberg
Galata
Gallatin Gateway
Gardiner
Garrison
Garryowen
Geraldine
Geyser
Gildford
Glasgow
Glendive
Glentana
Gold Creek
Grass Range
Great Falls
Greycliff
Hall
Hamilton
Hammond
Hardin
Harlem
Hathaway
Havre
Helena
Helmville
Heron
Highwood
Hilger
Hingham
Hinsdale
Hobson
Hogeland
Homestead
Hot Springs
Huntley
Huson
Hysham
Ingomar
Inverness
Ismay
Jackson
Joliet
Joplin
Jordan
Judith Gap
Kalispell
Kevin
Kila
Kinsey
Kremlin
Lakeside
Lambert
Larslan
Laurel
Lavina
Ledger
Lewistown
Libby
Lima
Lincoln
Lindsay
Livingston
Lloyd
Lodge Grass
Lolo
Loma
Lonepine
Loring
Lothair
Malmstrom A F B
Malta
Manhattan
Marion
Martin City
Martinsdale
Mc Leod
Medicine Lake
Melville
Mildred
Miles City
Missoula
Moccasin
Molt
Monarch
Moore
Mosby
Musselshell
Nashua
Neihart
Norris
Noxon
Nye
Oilmont
Olive
Opheim
Otter
Outlook
Ovando
Park City
Peerless
Pendroy
Philipsburg
Plains
Plentywood
Plevna
Polaris
Polebridge
Polson
Pompeys Pillar
Poplar
Powderville
Power
Pray
Proctor
Radersburg
Rapelje
Ravalli
Raynesford
Red Lodge
Redstone
Reed Point
Reserve
Rexford
Richey
Richland
Roberts
Rollins
Ronan
Roscoe
Rosebud
Roundup
Roy
Rudyard
Ryegate
Saco
Saint Ignatius
Saint Regis
Saint Xavier
Saltese
Sand Coulee
Sand Springs
Sanders
Savage
Scobey
Seeley Lake
Shawmut
Shelby
Shepherd
Sheridan
Sidney
Silver Gate
Silver Star
Somers
Stanford
Stevensville
Stockett
Sula
Sun River
Sunburst
Superior
Sweet Grass
Teigen
Terry
Thompson Falls
Three Forks
Toston
Townsend
Trout Creek
Troy
Turner
Twin Bridges
Two Dot
Valier
Vandalia
Vaughn
Victor
Vida
Virginia City
Volborg
West Yellowstone
Westby
White Sulphur Springs
Whitefish
Whitehall
Whitetail
Whitewater
Whitlash
Wibaux
Wilsall
Winifred
Winnett
Wisdom
Wise River
Wolf Creek
Wolf Point
Worden
Wyola
Zortman
Zurich