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Radon in Tipp City, Ohio

EPA puts Miami County, where Tipp City is, in Zone 1, its highest radon zone, and high results are common there: 65.2% of the 690 radon tests reported to CDC (2008 to 2017, laboratory totals) came back 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

    65.2%

    12.9 pts above OH

    Miami
    65.2%
    Ohio
    52.3%

    Miami, 14th of 79 in OH, 2008 to 2017

  • Median result

    6.1pCi/L

    Action level reached

    Miami
    6.1 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of Miami's tests, 2008 to 2017

  • Nearest county

    50.3%

    Montgomery, 15 miles

    Montgomery
    50.3%
    Miami
    65.2%

    2,922 tests, 2008 to 2017

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Miami, where Tipp City is

  • Tests reported

    690

    In Miami

    Miami
    690
    Montgomery
    2,922

    Reported to CDC before any fix, 2008 to 2017

Read a result for Tipp City

Starts at Miami County's median, 6.1 pCi/L

6.1pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 6.1 pCi/L

At or above 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 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. Miami County's median reported result, 2008 to 2017.

The data

Tipp City, What is published

What is published for Tipp City

Information:

Every figure for Tipp City is a county's

Radon data is published by county, not by city, so for Tipp City it is Miami County's: its EPA zone (Zone 1) and the 690 tests reported to CDC for 2008 to 2017, laboratory. Only a test tells you about one home.

Tipp City covers 8 square miles of land, all of it in Miami County. About 10,644 people live there, 1,325 to the square mile.

Tipp City, Counties

The county Tipp City lies in

Measured

Miami County's EPA zone and the figures CDC publishes for it, 2008 to 2017, laboratory.

Miami CountyZone 1Highest predicted potential

65.2%
Reported tests at or above 4 pCi/L
6.1 pCi/L
Median reported result
690 tests
Tests reported to CDC
None
Yearly figures on file

Miami County ranks 14th of 79 Ohio counties with 30 or more tests for that period, 12.9 points above the 52.3% pooled across Ohio's counties, 29.5 points above the national pool of 35.7%.

Measured from the middle of Tipp City, the nearest counties with a CDC figure for 2008 to 2017, laboratory are Montgomery County (15 miles, 50.3% of 2,922 tests), Clark County (22 miles, 57.5% of 1,447 tests) and Greene County (25 miles, 58.6% of 2,602 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 50.3% to 73.6%; the farthest of them, Logan County, is 37 miles away at 73.6%.

The directory lists 2 businesses with an address in Tipp City, 1 for testing and 1 for mitigation. Ohio's other cities with a page of their own: Columbus, Dayton, Cincinnati and Toledo.

The counties around Tipp City

By distance from the middle of Tipp City; counties with 30 or more tests.

Nearest counties to Tipp City with 30 or more tests
CountyDistanceTestsAt or above 4 pCi/LMedian
Montgomery County15 mi2,92250.3%4.0 pCi/L
Clark County22 mi1,44757.5%4.9 pCi/L
Greene County25 mi2,60258.6%4.9 pCi/L
Champaign County25 mi59671.1%6.8 pCi/L
Shelby County25 mi24860.1%5.2 pCi/L
Darke County26 mi27063.7%5.6 pCi/L
Preble County29 mi21262.7%5.5 pCi/L
Logan County37 mi75573.6%7.9 pCi/L

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2008 to 2017, laboratory.

Tipp City, Geology

The ground under Tipp City

Predicted

USGS's geologic map puts all of Tipp City's mapped land in one class: high radon potential. All of it lies in the area the map calls Till Plains, to which USGS gives a radon index of 14, in the high band (12 to 17).

USGS's geologic areas under Tipp City
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Till PlainsGlacial deposits underlain by Ordovician through Devonian limestone and shale.High14100%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Tipp City beside its county and Ohio

All of Tipp City, like all of Miami County, is rated high. Tipp City has more high-potential ground than Ohio as a whole: 100% of its land against 62.8%.

Share of land by USGS radon potential: Tipp City, the county it lies in and Ohio
AreaEPA zoneLow potentialModerate potentialHigh potential
Tipp CityBy countyNoneNone100%
Miami CountyZone 1NoneNone100%
Ohio88 counties, pooled by land areaVariesNone37.2%62.8%

The map rates the ground, not the air in any home.

Tipp City, Homes

Homes in Tipp City

Tipp City is a place of houses on their own lots: 75% of its 4,346 homes are detached single-family houses, against 80% across Miami County. Much of Tipp City is recent building: 18% of its homes have gone up since 2000 and the middle year built is 1981, against 1970 for Miami County. 73% of occupied homes are lived in by their owner (Miami County: 73%); in the rest a tenant can run a test, but a fix is the landlord's to make.

Homes in Tipp City, Miami County, Ohio, 2019 to 2023
HomesTipp CityMiami CountyOhio
Housing units4,34647,0285,271,573
Detached houses75%80%69%
In buildings of 5 or more8%7%15%
Mobile homes0%1%4%
Built before 196023%37%38%
Built since 200018%17%16%
Middle year built198119701970
Owner-occupied73%73%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

Tipp City, Professionals

Radon professionals listed in Tipp City

Businesses whose listed city is Tipp City, from the state registries and listings in the Radon411 directory, with the same business and certification status the directory shows.

2 listings with Tipp City as the city. See radon mitigation and testing in Tipp City, or all radon professionals in Ohio.

Tipp City, Local resources

Local resources for Tipp City

Who to ask in Ohio: its radon program, test kits and professionals.

What it means

Tipp City, Questions

Questions about radon in Tipp City

What radon zone is Tipp City in?

Tipp City takes its zone from Miami County, which EPA puts in Zone 1, the map's highest class: a predicted county average above 4 pCi/L.

What are radon levels in Tipp City?

High results are ordinary around Tipp City: 65.2% of the 690 tests reported from Miami County for 2008 to 2017 (laboratory totals) were at or above 4 pCi/L, the level at which EPA says to fix a home. The median reported result was 6.1 pCi/L.

Should I test my home in Tipp City?

Yes. Miami County reported about 450 of its 690 tests at or above 4 pCi/L. That is above Ohio's pooled 52.3%, and ranks Miami County 14th of the 79 Ohio counties with 30 or more tests. Which homes they were, no map can say. How to test a home.

What ground is Tipp City built on, as far as radon goes?

USGS's geologic map puts all of Tipp City on one named area, "Till Plains", rated high for radon potential, radon index 14.

Is radon higher in the counties around Tipp City?

It depends which way you go. 2 of the 8 nearest counties with a figure report a larger share than Miami County's 65.2% and 6 a smaller one: from Montgomery County (50.3%, 15 miles off) to Logan County (73.6%, 37 miles off).

Who tests for or fixes radon in Tipp City?

Tipp City is the address of 2 businesses in Radon411's directory, 1 listed for testing and 1 for mitigation. Each entry names the public list it came from. Radon professionals in Tipp City.

The answers use the published figures of Miami County, the county Tipp City lies in.