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 Tallahatchie County, Mississippi
EPA puts Tallahatchie 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
7.0%
Shelby County, 86 miles
- Shelby
- 7.0%
Share at 4+ pCi/L, 341 tests, 2006 to 2015
Ground above low
None
8.1 pts below MS
- Tallahatchie
- 0.0%
- MS
- 8.1%
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 Tallahatchie 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
Tallahatchie County, At a glance
Tallahatchie 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 Tallahatchie County. Shelby County, TN, 86 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.
Tallahatchie County, Compared
Tallahatchie County radon figures, compared
Calculated by Radon411No Mississippi county, Tallahatchie County included, has a radon test figure from CDC; over the 2006 to 2015 laboratory totals, the agency's counts name 2,669 counties in other states. Across every county in the country with a figure (2,669), 36.3% of reported tests reached that level; no Mississippi county contributes to that pool.
The nearest counties with a figure are Shelby County, TN (86 miles away) at 7.0%, Fayette County, TN (96 miles away) at 13.1% and Tipton County, TN (109 miles away) at 5.6%.
EPA's 1993 map puts Tallahatchie 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.
Tallahatchie County, Geology
The ground under Tallahatchie County
PredictedUSGS's geologic map puts all of Tallahatchie County's mapped land in one class: low radon potential. The map puts 54.2% of Tallahatchie County in the area it calls Loess Hills and 45.5% in Mississippi Alluvial Plain. USGS gives the first a radon index of 7 and the second 8, both in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Loess Hills | Loess. | Low | 7 | 54.2% |
| Mississippi Alluvial Plain | Alluvial sand, silt, gravel, and clay. | Low | 8 | 45.5% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Tallahatchie County beside the ground around it
Across Mississippi 0.1% of the land is rated high; none of Tallahatchie County's is. None of the 7 counties that border it has any moderate-potential ground either.
The map rates the ground, not the air in any home.
Local help
Tallahatchie County, Local resources
Radon testing and mitigation in Tallahatchie County
- Mississippi Radon ProgramMississippi Radon Program, run by Mississippi State Department of Health, answers questions about testing, mitigation and the rules in Mississippi.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
- See the Mississippi directoryNo professionals are listed in Mississippi yet. The state program can point you to registered testers and mitigators.
What Mississippi's program says
- Phone
- 1-800-626-7739
What it means
Tallahatchie County, Questions
Questions about radon in Tallahatchie County
Are radon levels high in Tallahatchie County?
No CDC testing statistics are published here for Tallahatchie County, Mississippi yet. Of the 8 nearest counties with a figure, within 138 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 18.6%.
Which counties border Tallahatchie County?
Tallahatchie County borders 7 counties: Quitman County, Grenada County, Sunflower County, Leflore County, Yalobusha County, Coahoma County and Panola County.
Products
Tallahatchie County, Products
Testing a home in Tallahatchie County
No CDC figure names Tallahatchie County; the nearest county with one, Shelby County, TN (86 miles away), reported 7.0% of its tests at or above 4 pCi/L over the 2006 to 2015 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 Tallahatchie County.
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
Monitor
RadonPro Wi-Fi radon monitor with a built-in Geiger counter
- C-NRPP 2024/25: Not included
- Plug-in
- Wi-Fi
- Alarm
- Screen, app
First reading: Within 5 minutes
- See every kit and monitor Test kits and monitors
Test kits and monitors: 1 of 3
Explore
Tallahatchie County, Bordering counties
Counties bordering Tallahatchie County
Calculated by Radon411counties bordering Tallahatchie County: 1 of 7
Tallahatchie County, Cities and towns
Cities and towns in Tallahatchie County
Tallahatchie County has been losing residents: from 12,652 in 2020 to 10,877 on July 1, 2025, a fall of 14.0% by the Census Bureau's estimates. That works out to 17 people per square mile of land. No town dominates: Charleston, the largest, has 1,688 residents, 15.5% of the total. Together its 5 incorporated places hold 37.6% of those residents; the other 62.4% live outside any of them.
From Charleston to Glendora, CDC publishes no figure by town: each reads Tallahatchie County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Charleston | 1,688 | −9.9% | 15.5% |
| Tutwiler | 1,649 | −33.3% | 15.2% |
| Webb | 375 | −8.8% | 3.4% |
| Sumner | 247 | −10.2% | 2.3% |
| Glendora | 135 | −9.4% | 1.2% |
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).
Tallahatchie County, Homes
Homes in Tallahatchie County
Of Tallahatchie County's 5,488 homes, 69% are detached houses, against 69% across Mississippi; 26% are mobile homes. The homes are older than Mississippi's as a whole: half were built before 1978 (1986 for Mississippi), and 19% date from before 1960. 67% of occupied homes are lived in by their owner (Mississippi: 69%); in the rest a tenant can run a test, but a fix is the landlord's to make.
| Homes | Tallahatchie County | Mississippi |
|---|---|---|
| Housing units | 5,488 | 1,332,811 |
| Detached houses | 69% | 69% |
| In buildings of 5 or more | 2% | 9% |
| Mobile homes | 26% | 15% |
| Built before 1960 | 19% | 15% |
| Built since 2000 | 17% | 28% |
| Middle year built | 1978 | 1986 |
| Owner-occupied | 67% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.