Listed for: TestingMitigation
Verified:Kansas state license
No phone or website on the list. Licenses on the profile.
Locations and reports
Radon in Wichita, Kansas
EPA puts Sedgwick County, where Wichita is, in Zone 2, its middle radon zone, and 18.4% of its 4,911 reported radon tests (2022) were 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
18.4%
13.6 pts below KS
- Sedgwick
- 18.4%
- Kansas
- 32.0%
Sedgwick, 35th of 38 in KS, 2022
Median result
1.3pCi/L
Below action level
- Sedgwick
- 1.3 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of Sedgwick's tests, 2022
Nearest county
34.1%
Harvey, 25 miles
- Harvey
- 34.1%
- Sedgwick
- 18.4%
232 tests, 2022
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
Sedgwick, where Wichita is
Tests reported
4,911
In Sedgwick
- Sedgwick
- 4,911
- Harvey
- 232
Reported to CDC before any fix, 2022
Read a result for Wichita
Starts at Sedgwick County's median, 1.3 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 1.3 pCi/L
Below 2 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is below 2 pCi/L, the level at which EPA says a fix should be considered. Sedgwick County's median reported result, 2022.
The data
Wichita, What is published
What is published for Wichita
Information:
Every figure for Wichita is a county's
Radon data is published by county, not by city, so for Wichita it is Sedgwick County's: its EPA zone (Zone 2) and the 4,911 tests reported to CDC for 2022. Only a test tells you about one home.
Wichita covers 162 square miles of land, all of it in Sedgwick County. About 400,987 people live there, 2,475 to the square mile.
Wichita, Counties
The county Wichita lies in
MeasuredSedgwick County's EPA zone and the figures CDC publishes for it, 2022.
Sedgwick CountyZone 2Moderate predicted potential
- 18.4%
- Reported tests at or above 4 pCi/L
- 1.3 pCi/L
- Median reported result
- 4,911 tests
- Tests reported to CDC
- 7
- Annual years on file
Sedgwick County ranks 35th of 38 Kansas counties with 30 or more tests for that period, 13.6 points below the 32.0% pooled across Kansas's counties, 5.5 points below the national pool of 23.9%.
Measured from the middle of Wichita, the nearest counties with a CDC figure for 2022 are Harvey County (25 miles, 34.1% of 232 tests), Butler County (28 miles, 25.5% of 550 tests) and Sumner County (32 miles, 29.1% of 79 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 25.4% to 51.6%; the farthest of them, Rice County, is 65 miles away at 28.3%.
The directory lists 22 businesses with an address in Wichita, 21 for testing and 5 for mitigation. Kansas's other cities with a page of their own: Lawrence, Manhattan and Topeka.
The counties around Wichita
By distance from the middle of Wichita; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2022.
Wichita, Geology
The ground under Wichita
PredictedUSGS's geologic map puts all of Wichita's mapped land in one class: moderate radon potential. All of it lies in the area the map calls Glaciated Area, to which USGS gives a radon index of 9, in the moderate band (9 to 11).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Glaciated Area | Glacial till underlain by Pennsylvanian and Permian marine and nonmarine sedimentary shale, sandstone, limestone, coal. | Moderate | 9 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Wichita beside its county and Kansas
All of Wichita, like all of Sedgwick County, is rated moderate. Across Kansas 59.9% of the land is rated high; none of Wichita's is.
The map rates the ground, not the air in any home.
Wichita, Homes
Homes in Wichita
Of Wichita's 175,539 homes, 67% are detached houses, against 70% across Sedgwick County; 17% are in buildings of five or more homes. Half of its homes were built before 1974, close to Sedgwick County's 1977: 36% date from before 1960 and 18% from 2000 or later. 58% of occupied homes are lived in by their owner (Sedgwick County: 62%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Wichita | Sedgwick County | Kansas |
|---|---|---|---|
| Housing units | 175,539 | 225,795 | 1,285,221 |
| Detached houses | 67% | 70% | 72% |
| In buildings of 5 or more | 17% | 15% | 13% |
| Mobile homes | 3% | 3% | 4% |
| Built before 1960 | 36% | 32% | 33% |
| Built since 2000 | 18% | 21% | 20% |
| Middle year built | 1974 | 1977 | 1975 |
| Owner-occupied | 58% | 62% | 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
Wichita, Professionals
Radon professionals listed in Wichita
Businesses whose listed city is Wichita, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Wichita: 1 of 6
22 listings with Wichita as the city. See radon mitigation and testing in Wichita, or all radon professionals in Kansas.
Wichita, Local resources
Local resources for Wichita
Who to ask in Kansas: its radon program, test kits and professionals.
What it means
Wichita, Questions
Questions about radon in Wichita
What radon zone is Wichita in?
EPA's map puts Sedgwick County, and with it Wichita, in Zone 2, the map's middle class: a predicted county average of 2 to 4 pCi/L.
What are radon levels in Wichita?
Most tests near Wichita come back under EPA's action level, but not all: 18.4% of Sedgwick County's 4,911 tests for 2022 were at or above 4 pCi/L. The median reported result was 1.3 pCi/L.
Should I test my home in Wichita?
Yes. In Sedgwick County, about one reported test in 5 reached 4 pCi/L. That is below Kansas' pooled 32.0%, and still not a reason to skip it, and ranks Sedgwick County 35th of the 38 Kansas counties with 30 or more tests. The number for one house comes only from testing it. How to test a home.
What ground is Wichita built on, as far as radon goes?
USGS's geologic map puts all of Wichita on one named area, "Glaciated Area", rated moderate for radon potential, radon index 9.
Is radon higher in the counties around Wichita?
Higher, in every direction measured: all 8 of the nearest counties with a figure report a larger share of high tests than Sedgwick County's 18.4%, up to McPherson County (51.6%, 51 miles off).
Who tests for or fixes radon in Wichita?
Wichita is the address of 22 businesses in Radon411's directory, 21 listed for testing and 5 for mitigation. Each entry names the public list it came from. Radon professionals in Wichita.
The answers use the published figures of Sedgwick County, the county Wichita lies in.
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