Short-term kit
PicoCan short-term charcoal canister radon test
- Lab fee included
Method: Charcoal
In home: 48 to 96 hours
Locations and reports
Radon Levels in Prentiss County, Mississippi
EPA puts Prentiss 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
8.2%
McNairy County, 38 miles
- McNairy
- 8.2%
Share at 4+ pCi/L, 49 tests, 2006 to 2015
Ground above low
74.5%
66.4 pts above MS
- Prentiss
- 74.5%
- 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 Prentiss 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
Prentiss County, At a glance
Prentiss County at a glance
Predicted: EPA radon zone
EPA Zone 3: lower predicted potential
USGS geologic potential: Moderate across 75% 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 Prentiss County. McNairy County, TN, 38 miles away, is the nearest county with a figure over the 2006 to 2015 laboratory totals.
Prentiss County, Compared
Prentiss County radon figures, compared
Calculated by Radon411CDC publishes no radon test figure for Prentiss County, and none for any other Mississippi county: its counts over the 2006 to 2015 laboratory totals cover 2,669 counties elsewhere in the country. 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 McNairy County, TN (38 miles away) at 8.2%, Franklin County, AL (40 miles away) at 18.6% and Colbert County, AL (41 miles away) at 36.6%.
EPA's 1993 map puts Prentiss County in Zone 3, its lowest label: a predicted county average under 2 pCi/L. USGS geology rates 75% of the county's land moderate radon potential.
Pooled shares: Radon411's sum of CDC's county counts for one period.
Prentiss County, Geology
The ground under Prentiss County
PredictedUSGS's geologic map splits Prentiss County: 74.5% of its land is moderate radon potential and 25.5% low. The map puts 74.5% of Prentiss County in the area it calls Pontotoc Ridge/Black Prairies and 25.5% in Tombigbee Hills. USGS gives the first a radon index of 9, in the moderate band (9 to 11), and the second 8, in the low band (5 to 8).
| Area | The rock, in USGS's words | Potential | Radon index | Share of land |
|---|---|---|---|---|
| Pontotoc Ridge/Black Prairies | Glauconitic sand, clay, sandy limestone, micaceous chalk, and lime. | Moderate | 9 | 74.5% |
| Tombigbee Hills | Clay, sand, sandstone, chalk, chalky marl, quartzose, chert gravels, and quartz sand. | Low | 8 | 25.5% |
Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.
Prentiss County beside the ground around it
Across Mississippi 0.1% of the land is rated high; none of Prentiss County's is. Of the 6 counties that border it, 1 has more high-potential ground, Tishomingo County the most at 16.5%.
The map rates the ground, not the air in any home.
Local help
Prentiss County, Local resources
Radon testing and mitigation in Prentiss 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
Prentiss County, Questions
Questions about radon in Prentiss County
Are radon levels high in Prentiss County?
No CDC testing statistics are published here for Prentiss County, Mississippi yet. Of the 8 nearest counties with a figure, within 71 miles, the share of tests at or above 4 pCi/L runs from 0.0% to 36.6%.
Which counties border Prentiss County?
Prentiss County borders 6 counties: Tishomingo County, Alcorn County, Tippah County, Lee County, Union County and Itawamba County.
Products
Prentiss County, Products
Testing a home in Prentiss County
No CDC figure names Prentiss County; the nearest county with one, McNairy County, TN (38 miles away), reported 8.2% 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 Prentiss 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
RadonScan-Plus USB-powered radon monitor with Wi-Fi
- 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
Prentiss County, Bordering counties
Counties bordering Prentiss County
Calculated by Radon411counties bordering Prentiss County: 1 of 6
Prentiss County, Cities and towns
Cities and towns in Prentiss County
The Census Bureau estimates 25,284 residents in Prentiss County for July 1, 2025, 316 more than in 2020 (+1.3%). That works out to 61 people per square mile of land. Its largest town, Booneville, has 9,257 residents, 36.6% of the total.
From Booneville to Marietta, CDC publishes no figure by town: each reads Prentiss County's.
| Place | Residents | Since 2020 | Share of residents |
|---|---|---|---|
| Booneville | 9,257 | +1.1% | 36.6% |
| Baldwynextends beyond Prentiss County | 3,104 | +1.2% | Counted whole |
| Jumpertown | 436 | +0.5% | 1.7% |
| Marietta | 197 | −0.5% | 0.8% |
4 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 Prentiss County is counted whole, so it has no share.
Prentiss County, Homes
Homes in Prentiss County
Prentiss County is a place of houses on their own lots: 76% of its 11,029 homes are detached single-family houses, against 69% across Mississippi. Half of its homes were built before 1981, close to Mississippi's 1986: 15% date from before 1960 and 19% from 2000 or later. Owners live in 79% of the occupied homes (Mississippi: 69%), so for most households a test and a fix are their own to order.
| Homes | Prentiss County | Mississippi |
|---|---|---|
| Housing units | 11,029 | 1,332,811 |
| Detached houses | 76% | 69% |
| In buildings of 5 or more | 3% | 9% |
| Mobile homes | 16% | 15% |
| Built before 1960 | 15% | 15% |
| Built since 2000 | 19% | 28% |
| Middle year built | 1981 | 1986 |
| Owner-occupied | 79% | 69% |
Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.