Listed for: Testing
Verified:Nebraska state license
Call Advanced Building Inspections at (402) 618-7952No website listed
Locations and reports
Radon in Omaha, Nebraska
EPA puts Douglas County, where Omaha is, in Zone 1, its highest radon zone, and 38.7% of its 2,754 reported radon tests (2023) 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
38.7%
0.5 pts above NE
- Douglas
- 38.7%
- Nebraska
- 38.2%
Douglas, 24th of 33 in NE, 2023
Median result
2.9pCi/L
Below action level
- Douglas
- 2.9 pCi/L
- EPA
- 4.0 pCi/L
Midpoint of Douglas's tests, 2023
Nearest county
51.9%
Sarpy, 11 miles
- Sarpy
- 51.9%
- Douglas
- 38.7%
755 tests, 2023
EPA radon zone
Zone 1
Highest potential
- Zone 1
- 2
- 3
1 highest, 3 lowest
Douglas, where Omaha is
Tests reported
2,754
In Douglas
- Douglas
- 2,754
- Sarpy
- 755
Reported to CDC before any fix, 2023
Read a result for Omaha
Starts at Douglas County's median, 2.9 pCi/L
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 2.9 pCi/L
Between 2 and 4 pCi/L
- Under 20 to 1.9 pCi/L
- 2 to 4consider a fix
- 4 and aboveEPA says fix it
This result is between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Douglas County's median reported result, 2023.
The data
Omaha, What is published
What is published for Omaha
Information:
Every figure for Omaha is a county's
Radon data is published by county, not by city, so for Omaha it is Douglas County's: its EPA zone (Zone 1) and the 2,754 tests reported to CDC for 2023. Only a test tells you about one home.
Omaha covers 142 square miles of land, all of it in Douglas County. About 488,797 people live there, 3,453 to the square mile.
Omaha, Counties
The county Omaha lies in
MeasuredDouglas County's EPA zone and the figures CDC publishes for it, 2023.
Douglas CountyZone 1Highest predicted potential
- 38.7%
- Reported tests at or above 4 pCi/L
- 2.9 pCi/L
- Median reported result
- 2,754 tests
- Tests reported to CDC
- 10
- Annual years on file
Douglas County ranks 24th of 33 Nebraska counties with 30 or more tests for that period, 0.5 points above the 38.2% pooled across Nebraska's counties, 5.3 points above the national pool of 33.4%.
Measured from the middle of Omaha, the nearest counties with a CDC figure for 2023 are Sarpy County (11 miles, 51.9% of 755 tests), Washington County (20 miles, 76.1% of 71 tests) and Cass County (25 miles, 68.5% of 111 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 26.7% to 76.1%; the farthest of them, Cuming County, is 59 miles away at 70.3%.
The directory lists 22 businesses with an address in Omaha, 22 for testing and 10 for mitigation. Nebraska's other cities with a page of their own: Lincoln and Kearney.
The counties around Omaha
By distance from the middle of Omaha; counties with 30 or more tests.
Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.
Omaha, Geology
The ground under Omaha
PredictedUSGS's geologic map puts all of Omaha's mapped land in one class: high radon potential. All of it lies in the area the map calls Pre-Wisconsin glacial deposits, to which USGS gives a radon index of 13, in the high band (12 to 17).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Pre-Wisconsin glacial deposits | Loess-mantled glacial drift. | High | 13 | 99.6% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Omaha beside its county and Nebraska
The ground under Omaha is close to Douglas County's as a whole: 99.6% rated high against 100%. Omaha has more high-potential ground than Nebraska as a whole: 99.6% of its land against 40.9%.
The map rates the ground, not the air in any home.
Omaha, Homes
Homes in Omaha
Of Omaha's 211,640 homes, 63% are detached houses, against 66% across Douglas County; 29% are in buildings of five or more homes. Half of its homes were built before 1972, close to Douglas County's 1976: 33% date from before 1960 and 15% from 2000 or later. 58% of occupied homes are lived in by their owner (Douglas County: 62%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Omaha | Douglas County | Nebraska |
|---|---|---|---|
| Housing units | 211,640 | 248,692 | 855,631 |
| Detached houses | 63% | 66% | 72% |
| In buildings of 5 or more | 29% | 26% | 17% |
| Mobile homes | 1% | 1% | 3% |
| Built before 1960 | 33% | 29% | 32% |
| Built since 2000 | 15% | 24% | 22% |
| Middle year built | 1972 | 1976 | 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
Omaha, Professionals
Radon professionals listed in Omaha
Businesses whose listed city is Omaha, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.
Radon professionals listed in Omaha: 1 of 6
22 listings with Omaha as the city. See radon mitigation and testing in Omaha, or all radon professionals in Nebraska.
Omaha, Local resources
Local resources for Omaha
Who to ask in Nebraska: its radon program, test kits and professionals.
- Office of Environmental Health Hazards & Indoor AirRun by Nebraska Department of Health and Human Services, phone (402) 471-1005.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
Some local programs distribute radon kits for free or a reduced cost.
- Compare kits
- Professionals in Nebraska22 listings cover Omaha.
The program's own words on licensing are on the Nebraska page.
What it means
Omaha, Questions
Questions about radon in Omaha
What radon zone is Omaha in?
Omaha has no zone of its own: it shares Douglas County's, Zone 1, the map's highest class: a predicted county average above 4 pCi/L.
What are radon levels in Omaha?
Around Omaha, 38.7% of 2,754 tests reported from Douglas County for 2023 reached 4 pCi/L or more, so a high result is no surprise here. The median reported result was 2.9 pCi/L.
Should I test my home in Omaha?
Yes. Douglas County reported about 1,066 of its 2,754 tests at or above 4 pCi/L. That is about what Nebraska as a whole reports (38.2%), and ranks Douglas County 24th of the 33 Nebraska counties with 30 or more tests. Which homes they were, no map can say. How to test a home.
What ground is Omaha built on, as far as radon goes?
USGS's geologic map puts all of Omaha on one named area, "Pre-Wisconsin glacial deposits", rated high for radon potential, radon index 13.
Is radon higher in the counties around Omaha?
It depends which way you go. 7 of the 8 nearest counties with a figure report a larger share than Douglas County's 38.7% and 1 a smaller one: from Lancaster County (26.7%, 47 miles off) to Washington County (76.1%, 20 miles off).
Who tests for or fixes radon in Omaha?
Omaha is the address of 22 businesses in Radon411's directory, 22 listed for testing and 10 for mitigation. Each entry names the public list it came from. Radon professionals in Omaha.
The answers use the published figures of Douglas County, the county Omaha lies in.
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