Courtland, MN Radon Levels

Q: What EPA Radon Zone is Courtland in?

Courtland is in Nicollet County, EPA Zone 1.

Q: How much does radon mitigation cost in Courtland?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Courtland radon levels and find certified testing and mitigation professionals to keep your home safe

Courtland, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Nicollet County, MN

Zip Code 56021

Located in Nicollet County in south-central Minnesota, Courtland sits over glacial deposits that contribute to elevated radon potential throughout the region. With testing data for zip code 56021 currently limited, homeowners should prioritize radon testing given Minnesota's consistently high statewide radon levels and the prevalence of full basements.

8.00

pCi/L area average

Above EPA Action Level

Nicollet County average: 8.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Courtland itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Courtland, MN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Courtland, MN

No homeowner tests have been submitted for Courtland yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Nicollet	8.0 mi	2.00 pCi/L	1
Mankato	16.3 mi	14.00 pCi/L	1
Sleepy Eye	18.8 mi	12.00 pCi/L	1
Stewart	31.3 mi	4.00 pCi/L	1
Montgomery	39.4 mi	5.00 pCi/L	1
New Prague	42.0 mi	9.00 pCi/L	2
Hutchinson	42.6 mi	7.50 pCi/L	2
Fairmont	44.6 mi	8.00 pCi/L	1

Nicollet County Radon Profile

The bedrock and soils beneath Nicollet County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Nicollet County average 8.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Nicollet County.

Radon FAQ for Courtland, MN

What EPA Radon Zone is Courtland in?

Courtland and the 56021 zip code are in Nicollet County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Courtland?

No homeowner radon tests have been submitted for Courtland yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Nicollet County average—are the best available indicator of local conditions until Courtland homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Courtland?

Radon mitigation in Courtland typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Courtland?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.