Listed for: TestingMitigation
Verified:Ohio state license
Call Brumma's Radon and Mitigation at (330) 495-2173No website listed
Locations and reports
Radon in Canton, Ohio
EPA puts Stark County, where Canton is, in Zone 1, its highest radon zone, and high results are common there: 60.1% of the 3,317 radon tests reported to CDC (2008 to 2017, laboratory totals) came back at or above 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Share at 4+ pCi/L
60.1%
7.8 pts above OH
- Stark
- 60.1%
- Ohio
- 52.3%
Stark, 24th of 79 in OH, 2008 to 2017
Median result
4.9pCi/L
Action level reached
- Stark
- 4.9 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of Stark's tests, 2008 to 2017
Nearest county
57.4%
Carroll, 21 miles
- Carroll
- 57.4%
- Stark
- 60.1%
486 tests, 2008 to 2017
EPA radon zone
Zone 1
Highest potential
- Zone 1
- 2
- 3
1 highest, 3 lowest
Stark, where Canton is
Tests reported
3,317
In Stark
- Stark
- 3,317
- Carroll
- 486
Reported to CDC before any fix, 2008 to 2017
Read a result for Canton
Starts at Stark County's median, 4.9 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 4.9 pCi/L
At or above 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. Stark County's median reported result, 2008 to 2017.
The data
Canton, What is published
What is published for Canton
Information:
Every figure for Canton is a county's
Radon data is published by county, not by city, so for Canton it is Stark County's: its EPA zone (Zone 1) and the 3,317 tests reported to CDC for 2008 to 2017, laboratory. Only a test tells you about one home.
Canton covers 26.3 square miles of land, all of it in Stark County. About 69,001 people live there, 2,622 to the square mile.
Canton, Counties
The county Canton lies in
MeasuredStark County's EPA zone and the figures CDC publishes for it, 2008 to 2017, laboratory.
Stark CountyZone 1Highest predicted potential
- 60.1%
- Reported tests at or above 4 pCi/L
- 4.9 pCi/L
- Median reported result
- 3,317 tests
- Tests reported to CDC
- None
- Yearly figures on file
Stark County ranks 24th of 79 Ohio counties with 30 or more tests for that period, 7.8 points above the 52.3% pooled across Ohio's counties, 24.4 points above the national pool of 35.7%.
The counties nearest Canton with a CDC figure for 2008 to 2017, laboratory, measured from the middle of the city: Carroll County (21 miles, 57.4% of 486 tests), Summit County (24 miles, 38.7% of 6,486 tests) and Tuscarawas County (26 miles, 66.4% of 547 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 23.4% to 66.4%; the farthest of them, Mahoning County, is 34 miles away at 23.4%.
The directory lists 9 businesses with an address in Canton, 9 for testing and 1 for mitigation. Ohio's other cities with a page of their own: Columbus, Dayton, Cincinnati and Toledo.
The counties around Canton
By distance from the middle of Canton; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2008 to 2017, laboratory.
Canton, Geology
The ground under Canton
PredictedUSGS's geologic map splits Canton: 60.8% of its land is high radon potential and 39.2% moderate. The map puts 60.8% of Canton in the area it calls Area of Elevated Radioactivity and 39.2% in Glaciated Plateau. USGS gives the first a radon index of 12, in the high band (12 to 17), and the second 11, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Area of Elevated Radioactivity | Pennsylvanian shale, sandstone, coal, and limestone. | High | 12 | 60.8% |
| Glaciated Plateau | Devonian, Mississippian and Permian carbonates and shales. | Moderate | 11 | 39.2% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Canton beside its county and Ohio
Canton sits on more high-potential ground than Stark County as a whole: 60.8% of the city against 43.8% of the county. On high-potential ground Canton is close to Ohio as a whole: 60.8% of its land against 62.8%.
The map rates the ground, not the air in any home.
Canton, Homes
Homes in Canton
Of Canton's 34,279 homes, 68% are detached houses, against 75% across Stark County; 17% are in buildings of five or more homes. The homes are older than Stark County's as a whole: half were built before 1948 (1966 for Stark County), and 69% date from before 1960. Most occupied homes here are rented: owners live in 48% (Stark County: 69%). A tenant can run a test; a fix is the landlord's to make.
| Homes | Canton | Stark County | Ohio |
|---|---|---|---|
| Housing units | 34,279 | 167,525 | 5,271,573 |
| Detached houses | 68% | 75% | 69% |
| In buildings of 5 or more | 17% | 10% | 15% |
| Mobile homes | under 1% | 2% | 4% |
| Built before 1960 | 69% | 43% | 38% |
| Built since 2000 | 5% | 11% | 16% |
| Middle year built | 1948 | 1966 | 1970 |
| Owner-occupied | 48% | 69% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.
Local help
Canton, Professionals
Radon professionals listed in Canton
Businesses whose listed city is Canton, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Canton: 1 of 6
9 listings with Canton as the city. See radon mitigation and testing in Canton, or all radon professionals in Ohio.
Canton, Local resources
Local resources for Canton
Who to ask in Ohio: its radon program, test kits and professionals.
What it means
Canton, Questions
Questions about radon in Canton
What radon zone is Canton in?
Canton takes its zone from Stark County, which EPA puts in Zone 1, the map's highest class: a predicted county average above 4 pCi/L.
What are radon levels in Canton?
60.1% of the 3,317 tests reported from Stark County for 2008 to 2017 (laboratory totals) were at or above 4 pCi/L, the level at which EPA says to fix a home: high results are ordinary around Canton. The median reported result was 4.9 pCi/L.
Should I test my home in Canton?
Yes. About 1,994 of the 3,317 tests reported from Stark County were at or above 4 pCi/L. That is above Ohio's pooled 52.3%, and ranks Stark County 24th of the 79 Ohio counties with 30 or more tests. No map says which homes those are. How to test a home.
What ground is Canton built on, as far as radon goes?
60.8% of Canton sits on what USGS's map calls "Area of Elevated Radioactivity", rated high for radon potential, radon index 12; another 39.2% is "Glaciated Plateau", rated moderate for radon potential, radon index 11. So the ground changes within Canton itself.
Is radon higher in the counties around Canton?
Some are and some are not. Against Stark County's 60.1%, 3 of the 8 nearest counties with a figure report more and 5 less, from Mahoning County (23.4%, 34 miles off) to Tuscarawas County (66.4%, 26 miles off).
Who tests for or fixes radon in Canton?
Radon411's directory has 9 businesses with an address in Canton, 9 listed for testing and 1 for mitigation. Every entry names the public list it was taken from. Radon professionals in Canton.
The answers use the published figures of Stark County, the county Canton lies in.
Explore