Short-term kitFirst Alert
RD1 short-term charcoal radon test kit
- Lab fee included
Method: Charcoal
In home: 2 to 4 days
Locations and reports
Radon Levels in Lafayette County, Florida
EPA puts Lafayette County in Zone 3, its lowest radon zone. Homes with elevated levels occur in all three zones, so only a test measures yours.
Data checked By Radon411Methodology
Nearest county
6.7%
Columbia County, 37 miles
- Columbia
- 6.7%
- Florida
- 22.7%
Share at 4+ pCi/L, 30 tests, 2008 to 2017
Ground above low
None
7.1 pts below Florida
- Lafayette
- 0.0%
- Florida
- 7.1%
Share of land USGS rates moderate or high potential
Tests reported
0
None published
A home here needs its own test
EPA radon zone
Zone 3
Lower potential
- 1
- 2
- Zone 3
1 highest, 3 lowest
EPA predicts under 2 pCi/L indoors
Read a result for Lafayette 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
Lafayette County, At a glance
Lafayette County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Low across 100% of the county's area
Predicted: EPA Map of Radon Zones
Measured: tests reported to CDC
No CDC test figures here
CDC has published no radon test figures for Lafayette County. Columbia County, 37 miles away, is the nearest county with a figure over the 2008 to 2017 laboratory totals.
Lafayette County, Compared
Lafayette County radon figures, compared
Calculated by Radon411Lafayette County has no radon test figure of its own from CDC, whose counts over the 2008 to 2017 laboratory totals name 62 other Florida counties and leave it out. Pooled across 62 Florida counties, 22.7% of reported tests reached that level; across every county in the country with a figure, 35.7%.
The nearest counties with a figure are Columbia County (37 miles away) at 6.7%, Jefferson County (53 miles away) at 6.1% and Alachua County (54 miles away) at 35.2%. Statewide for the same period, Marion County reported the highest share (42.9%) and St. Lucie County the lowest (0.0%).
EPA's 1993 map puts Lafayette County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 100% of the county's land low radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Lafayette County, Geology
The ground under Lafayette County
PredictedUSGS's geologic map puts all of Lafayette County's mapped land in one class: low radon potential. All of it lies in the area the map calls Gulf/Atlantic Lowland and Central Highland, to which USGS gives a radon index of 6, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Gulf/Atlantic Lowland and Central Highland | sand, silt, clay, gravel | Low | 6 | 100% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Lafayette County beside the ground around it
Across Florida 7.1% of the land is rated moderate; none of Lafayette County's is. Of the 5 counties that border it, 1 has more moderate-potential ground, Gilchrist County the most at 3.8%.
The map rates the ground, not the air in any home.
Local help
Lafayette County, Local resources
Radon testing and mitigation in Lafayette County
- Florida’s Radon ProgramFlorida’s Radon Program, run by Florida Department of Health, licenses or certifies radon professionals and offers free or discounted test kits, and answers questions about testing and mitigation in Florida.Visit the program’s page(opens in a new tab)
- Free and low-cost kitsThe program says:
Protect your family by requesting a FREE radon test kit.
- Compare kits
- Professionals in Florida77 professionals are listed in Florida.
What Florida's program says
- Phone
- 850-245-4288
- PHtoxicology@FLhealth.gov
- Licensing of radon professionals
Florida Statutes require the certification of businesses and individuals providing radon services or any other radon related activity.
What it means
Lafayette County, Questions
Questions about radon in Lafayette County
Are radon levels high in Lafayette County?
No CDC testing statistics are published here for Lafayette County, Florida yet. Of the 8 nearest counties with a figure, within 90 miles, the share of tests at or above 4 pCi/L runs from 1.1% to 42.9%.
Which counties border Lafayette County?
Lafayette County borders 5 counties: Suwannee County, Taylor County, Madison County, Gilchrist County and Dixie County.
Products
Lafayette County, Products
Testing a home in Lafayette County
No CDC figure names Lafayette County; the nearest county with one, Columbia County (37 miles away), reported 6.7% 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. Zone 3 is the lowest label, yet homes at or above 4 pCi/L occur in every zone: a short-term kit (2 to 90 days) is the quick first check in Lafayette County.
Test kits and monitors3
See every kit and monitor
Long-term kit
RL116 long-term radon test kit
- Lab fee extra
Method: Alpha track
In home: 90 days to 12 months
MonitorPYZYCKYH
RD17 plug-in radon detector with a rechargeable battery and color screen
- C-NRPP 2024/25: Not included
- Battery
- Alarm
- Screen
Method: Semiconductor sensor
First reading: Within 6 hours
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Lafayette County, Bordering counties
Counties bordering Lafayette County
Calculated by Radon411- Radon levels in Dixie CountyEPA zone 3
100.0%at or above 4 pCi/L
Median 5.4 pCi/L · 1 test
- Radon levels in Madison CountyEPA zone 3
12.5%at or above 4 pCi/L
Median 0.6 pCi/L · 8 tests
- Radon levels in Suwannee CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 1.1 pCi/L · 21 tests
- Radon levels in Taylor CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 2.1 pCi/L · 3 tests
- Radon levels in Gilchrist CountyEPA zone 3
0.0%at or above 4 pCi/L
Median 0.7 pCi/L · 10 tests
Lafayette County, Cities and towns
Cities and towns in Lafayette County
Lafayette County is growing: the Census Bureau puts it at 8,792 residents on July 1, 2025, up 6.8% from 8,236 in 2020. That works out to 16 people per square mile of land. Mayo, its one incorporated place, has 1,119 residents, 12.7% of the total. CDC publishes no radon test count for Lafayette County; across Florida its counts for 2008 to 2017 come to 2.3 tests for every 1,000 residents (2025 estimate).
Mayo is the one incorporated place here; CDC publishes no figure by town, so it reads Lafayette County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Mayo | 1,119 | +7.8% | 12.7% |
One incorporated place, 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).
Lafayette County, Homes
Homes in Lafayette County
Of Lafayette County's 3,334 homes, 57% are detached houses, against 55% across Florida; 39% are mobile homes. Half of its homes were built before 1989, close to Florida's 1988: 13% date from before 1960 and 26% from 2000 or later. Owners live in 81% of the occupied homes (Florida: 67%), so for most households a test and a fix are their own to order.
| Homes | Lafayette County | Florida |
|---|---|---|
| Housing units | 3,334 | 10,082,356 |
| Detached houses | 57% | 55% |
| In buildings of 5 or more | 1% | 25% |
| Mobile homes | 39% | 8% |
| Built before 1960 | 13% | 10% |
| Built since 2000 | 26% | 30% |
| Middle year built | 1989 | 1988 |
| Owner-occupied | 81% | 67% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.