Skip to content
RADON411

Locations and reports

Radon in Eagan, Minnesota

EPA puts Dakota County, where Eagan is, in Zone 1, its highest radon zone, and 34.6% of its 2,183 reported radon tests (2023) were 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

How to test this homeFind a certified tester

  • Share at 4+ pCi/L

    34.6%

    0.0 pts above MN

    Dakota
    34.6%
    Minnesota
    34.6%

    Dakota, 46th of 62 in MN, 2023

  • Median result

    2.9pCi/L

    Below action level

    Dakota
    2.9 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of Dakota's tests, 2023

  • Nearest county

    23.5%

    Ramsey, 14 miles

    Ramsey
    23.5%
    Dakota
    34.6%

    2,213 tests, 2023

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Dakota, where Eagan is

  • Tests reported

    2,183

    In Dakota

    Dakota
    2,183
    Ramsey
    2,213

    Reported to CDC before any fix, 2023

Read a result for Eagan

Starts at Dakota County's median, 2.9 pCi/L

2.9pCi/L

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

EPA’s reading of 2.9 pCi/L

Between 2 and 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 between 2 and 4 pCi/L. EPA recommends considering a fix when the level is between 2 and 4 pCi/L. Dakota County's median reported result, 2023.

Interpret this readingWhat a fix costs

The data

Eagan, What is published

What is published for Eagan

Information:

Every figure for Eagan is a county's

Radon data is published by county, not by city, so for Eagan it is Dakota County's: its EPA zone (Zone 1) and the 2,183 tests reported to CDC for 2023. Only a test tells you about one home.

Eagan covers 31.2 square miles of land, all of it in Dakota County. About 67,109 people live there, 2,152 to the square mile.

Eagan, Counties

The county Eagan lies in

Measured

Dakota County's EPA zone and the figures CDC publishes for it, 2023.

Dakota CountyZone 1Highest predicted potential

34.6%
Reported tests at or above 4 pCi/L
2.9 pCi/L
Median reported result
2,183 tests
Tests reported to CDC
10
Annual years on file

Dakota County ranks 46th of 62 Minnesota counties with 30 or more tests for that period, 0.0 points above the 34.6% pooled across Minnesota's counties, 1.2 points above the national pool of 33.4%.

Measured from the middle of Eagan, the nearest counties with a CDC figure for 2023 are Ramsey County (14 miles, 23.5% of 2,213 tests), Hennepin County (20 miles, 32.0% of 6,545 tests) and Washington County (21 miles, 21.3% of 1,518 tests). Across the 8 nearest, the share at or above 4 pCi/L runs from 19.3% to 49.5%; the farthest of them, Goodhue County, is 36 miles away at 49.5%.

The directory lists 2 businesses with an address in Eagan, 2 for testing and 1 for mitigation. Minnesota's other cities with a page of their own: Minneapolis, St. Paul, Plymouth and St. Cloud.

The counties around Eagan

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

Nearest counties to Eagan with 30 or more tests
CountyDistanceTestsAt or above 4 pCi/LMedian
Ramsey County14 mi2,21323.5%2.2 pCi/L
Hennepin County20 mi6,54532.0%2.7 pCi/L
Washington County21 mi1,51821.3%1.9 pCi/L
Scott County22 mi66941.4%3.4 pCi/L
Carver County31 mi48934.6%2.8 pCi/L
Anoka County32 mi88019.3%1.9 pCi/L
Rice County33 mi29740.4%3.2 pCi/L
Goodhue County36 mi21849.5%3.9 pCi/L

Predicted: EPA Map of Radon Zones, by county. Measured: CDC tracking data, by county, 2023.

Eagan, Geology

The ground under Eagan

Predicted

USGS's geologic map puts all of Eagan's mapped land in one class: high radon potential. The map puts 87.5% of Eagan in the area it calls Central Lowland-Western Lake Section and 12.5% in Central Lowland-Till Prairie. USGS gives both a radon index of 14, in the high band (12 to 17).

USGS's geologic areas under Eagan
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Central Lowland-Western Lake SectionRed sandy till derived primarily from sandstone.High1487.5%
Central Lowland-Till PrairieSilty and clayey till derived from shale and sandstone.High1412.5%

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

Eagan beside its county and Minnesota

All of Eagan, like all of Dakota County, is rated high. Eagan has more high-potential ground than Minnesota as a whole: 100% of its land against 61.1%.

Share of land by USGS radon potential: Eagan, the county it lies in and Minnesota
AreaEPA zoneLow potentialModerate potentialHigh potential
EaganBy countyNoneNone100%
Dakota CountyZone 1NoneNone100%
Minnesota87 counties, pooled by land areaVariesNone38.9%61.1%

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

Eagan, Homes

Homes in Eagan

Fewer than six in ten of Eagan's 28,533 homes are detached houses (52%, against 58% across Dakota County); the rest are attached, in shared buildings or mobile. Half of its homes were built before 1987, close to Dakota County's 1988: 3% date from before 1960 and 16% from 2000 or later. 69% of occupied homes are lived in by their owner (Dakota County: 75%); in the rest a tenant can run a test, but a fix is the landlord's to make.

Homes in Eagan, Dakota County, Minnesota, 2019 to 2023
HomesEaganDakota CountyMinnesota
Housing units28,533176,4472,519,538
Detached houses52%58%66%
In buildings of 5 or more26%19%19%
Mobile homesunder 1%2%3%
Built before 19603%11%29%
Built since 200016%25%22%
Middle year built198719881978
Owner-occupied69%75%72%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.

Local help

Eagan, Professionals

Radon professionals listed in Eagan

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

2 listings with Eagan as the city. See radon mitigation and testing in Eagan, or all radon professionals in Minnesota.

Eagan, Local resources

Local resources for Eagan

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

The program's own words on licensing and disclosure are on the Minnesota page.

What it means

Eagan, Questions

Questions about radon in Eagan

What radon zone is Eagan in?

Eagan has no zone of its own: it shares Dakota County's, Zone 1, the map's highest class: a predicted county average above 4 pCi/L.

What are radon levels in Eagan?

Around Eagan, 34.6% of 2,183 tests reported from Dakota County for 2023 reached 4 pCi/L or more, so a high result is no surprise here. The median reported result was 2.9 pCi/L.

Should I test my home in Eagan?

Yes. Dakota County reported about 755 of its 2,183 tests at or above 4 pCi/L. That is about what Minnesota as a whole reports (34.6%), and ranks Dakota County 46th of the 62 Minnesota counties with 30 or more tests. Which homes they were, no map can say. How to test a home.

What ground is Eagan built on, as far as radon goes?

87.5% of Eagan sits on what USGS's map calls "Central Lowland-Western Lake Section", rated high for radon potential, radon index 14; another 12.5% is "Central Lowland-Till Prairie", in the same class.

Is radon higher in the counties around Eagan?

It depends which way you go. 3 of the 8 nearest counties with a figure report a larger share than Dakota County's 34.6% and 5 a smaller one: from Anoka County (19.3%, 32 miles off) to Goodhue County (49.5%, 36 miles off).

Who tests for or fixes radon in Eagan?

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

The answers use the published figures of Dakota County, the county Eagan lies in.

Explore