Short-term kit
RA400 short-term liquid scintillation radon test kit, lab fee included
- Lab fee included
Method: Liquid scintillation
In home: 48 to 96 hours
Locations and reports
Radon Levels in Edwards County, Illinois
EPA puts Edwards County in Zone 2, its middle radon zone, and only 3 radon tests from it are on file with CDC (2017). Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Highest bordering
32.4%
Wabash County
- Wabash
- 32.4%
- Wayne
- 15.1%
4 of 4 neighbours have 30+ tests, 2008 to 2017
Nearest county
32.4%
Wabash County, 12 miles
- Wabash
- 32.4%
- Illinois
- 43.1%
Share at 4+ pCi/L, 34 tests, 2008 to 2017
Ground above low
100.0%
0.9 pts above Illinois
- Edwards
- 100.0%
- Illinois
- 99.1%
Share of land USGS rates moderate or high potential
Tests reported
19
Too few for a share
- Edwards
- 19
- Needed
- 30
2008 to 2017, laboratory
EPA radon zone
Zone 2
Moderate potential
- 1
- Zone 2
- 3
1 highest, 3 lowest
EPA predicts 2 to 4 pCi/L indoors
Read a result for Edwards County
Starts at EPA's action level
EPA’s own thresholds; the figures are the area’s, never this home’s.
EPA’s reading of 4.0 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.
The data
Edwards County, At a glance
Edwards County at a glance
Predicted: EPA radon zone
EPA Zone 2: moderate predicted potential
Edwards County is a
USGS geologic potential: Moderate across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
Radon tests reported for Edwards County, 2017
| Year | Share of reported tests at or above 4 pCi/L |
|---|---|
| 2014 | 0.0% |
| 2015 | 0.0% |
| 2017 | 0.0% |
2017: 0.0%. Across these years the share ran from 0.0% to 0.0%. Each column counts radon tests reported to CDC that year, not homes.
What these figures count
Only 3 tests were reported to CDC for Edwards County over 2017, and tests are often run on homes being sold or already suspected of a problem: so few describe neither the county nor this house.
Measured: CDC tracking data. Figure above: 2017. Measured data period: 2005 to 2017 (every CDC figure on file).
Edwards County, Compared
Edwards County radon figures, compared
Calculated by Radon411CDC's largest figure for Edwards County rests on 19 tests over the 2008 to 2017 laboratory totals, 4 of them at or above 4 pCi/L, so each test moves its share by 5.3 points and no rank or comparison is drawn from it. Results reached as high as 13.1 pCi/L, with a middle value of 2.1 pCi/L.
Of the counties bordering it, 4 have a figure over the 2008 to 2017 laboratory totals: Wabash County reported the largest share at or above 4 pCi/L, 32.4%, and Wayne County the smallest, 15.1%, with White County at 29.4% and Richland County at 18.9% between. Farther out, Lawrence County (27 miles away) at 18.8%, Clay County (33 miles away) at 14.7% and Hamilton County (35 miles away) at 23.3% have figures too. Pooled across 102 Illinois counties, 43.1% of reported tests reached that level; across every county in the country with a figure, 35.7%.
Statewide for the same period, Stark County reported the highest share (80.5%) and Williamson County the lowest (13.3%). EPA's 1993 map puts Edwards County in Zone 2, its middle label: a predicted county average between 2 and 4 pCi/L. USGS geology rates 100% of the county's land moderate radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Edwards County, Geology
The ground under Edwards County
PredictedUSGS's geologic map puts all of Edwards County's mapped land in one class: moderate radon potential. All of it lies in the area the map calls Southern Central Lowland Province, 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 |
|---|---|---|---|---|
| Southern Central Lowland Province | Illinoian glacial deposits, sandstone, and gray shale. | 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.
Edwards County beside the ground around it
Across Illinois 64.5% of the land is rated high; none of Edwards County's is. Of the 4 counties that border it, none has as large a share of moderate-potential ground; Richland County comes nearest at 100%.
The map rates the ground, not the air in any home.
Local help
Edwards County, Local resources
Radon testing and mitigation in Edwards County
- IEMA-OHS Radon ProgramIEMA-OHS Radon Program, run by Illinois Emergency Management Agency and Office of Homeland Security, licenses or certifies radon professionals and states the rule for disclosing radon when a home is sold, and answers questions about testing and mitigation in Illinois.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsAsk the program whether it has free or discounted kits, or compare kits you can buy.
- Compare kits
- Professionals in Illinois339 professionals are listed in Illinois.
What Illinois's program says
- Phone
- (800) 325-1245
- Licensing of radon professionals
The Agency also licenses and regulates the individuals who provide radon measurement and mitigation to the public.
- Disclosure when a home is sold or rented
Illinois Radon Awareness Act - This is the legislation that requires the seller to provide to the buyer of any interest in residential real property the IEMA-OHS pamphlet entitled "Radon Testing Guidelines for Real Estate Transactions" and the Illinois Disclosure of Information on Radon Hazards.
What it means
Edwards County, Questions
Questions about radon in Edwards County
Are radon levels high in Edwards County?
In 2017, 0.0% of the radon tests reported to CDC for Edwards County, Illinois were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.0 pCi/L. Of the counties bordering it, 4 have a figure over the 2008 to 2017 laboratory totals: Wabash County reported the largest share at or above 4 pCi/L, 32.4%, and Wayne County the smallest, 15.1%, with White County at 29.4% and Richland County at 18.9% between.
Which counties border Edwards County?
Edwards County borders 4 counties: Wabash County, Richland County, Wayne County and White County.
Products
Edwards County, Products
Testing a home in Edwards County
No CDC figure names Edwards County; the nearest county with one, Wabash County (12 miles away), reported 32.4% of its tests at or above 4 pCi/L over the 2008 to 2017 laboratory totals, the only reading nearby until a test of this home. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Edwards County; a long-term test tells the year-round average.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL416 long-term radon test kit, lab fee included
- Lab fee included
Method: Alpha track
In home: 90 days to 12 months
MonitorAEGTEST
HOUND-3786 rechargeable radon monitor with a 3.5-inch color screen
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
Method: Ion chamber
First reading: Within 10 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Edwards County, Bordering counties
Counties bordering Edwards County
Calculated by Radon411- Radon levels in Wabash CountyEPA zone 2
32.4%at or above 4 pCi/L
Median 3.0 pCi/L · 34 tests
- Radon levels in White CountyEPA zone 2
29.4%at or above 4 pCi/L
Median 2.9 pCi/L · 34 tests
- Radon levels in Richland CountyEPA zone 2
18.9%at or above 4 pCi/L
Median 1.8 pCi/L · 148 tests
- Radon levels in Wayne CountyEPA zone 2
15.1%at or above 4 pCi/L
Median 1.4 pCi/L · 86 tests
Edwards County, Cities and towns
Cities and towns in Edwards County
About 5,898 people live in Edwards County by the Census Bureau's estimate for July 1, 2025, 309 fewer than in 2020 (−5.0%). That works out to 27 people per square mile of land. Its largest town, Albion, has 1,843 residents, 31.2% of the total. Reported testing is thin here: 19 tests over 2008 to 2017, or 3.2 for every 1,000 residents (2025 estimate), where Illinois as a whole comes to 8.6.
From Albion to Browns, CDC publishes no figure by town: each reads Edwards County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Albion | 1,843 | −5.1% | 31.2% |
| Grayvilleextends beyond Edwards County | 1,483 | −4.0% | Counted whole |
| West Salem | 735 | −5.0% | 12.5% |
| Bone Gap | 174 | −4.9% | 3.0% |
| Browns | 133 | −3.6% | 2.3% |
5 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025). A place that extends beyond Edwards County is counted whole, so it has no share.
Edwards County, Homes
Homes in Edwards County
Edwards County is a place of houses on their own lots: 76% of its 3,045 homes are detached single-family houses, against 58% across Illinois. Half of its homes were built before 1968, close to Illinois' 1970: 44% date from before 1960 and 15% from 2000 or later. Owners live in 79% of the occupied homes (Illinois: 67%), so for most households a test and a fix are their own to order.
| Homes | Edwards County | Illinois |
|---|---|---|
| Housing units | 3,045 | 5,443,501 |
| Detached houses | 76% | 58% |
| In buildings of 5 or more | 1% | 22% |
| Mobile homes | 19% | 2% |
| Built before 1960 | 44% | 38% |
| Built since 2000 | 15% | 16% |
| Middle year built | 1968 | 1970 |
| Owner-occupied | 79% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.