Annandale, MN Radon Levels

Q: What EPA Radon Zone is Annandale in?

Annandale is in Wright County, EPA Zone 1.

Q: How much does radon mitigation cost in Annandale?

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

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

Annandale, MN Radon Facts

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

County Wright County, MN

Zip Code 55302

Positioned in Wright County within the Minneapolis-St. Paul Metro area, Annandale sits on Minnesota's characteristic glacial deposits that contribute to elevated radon potential throughout the region. The community's housing includes both lakefront properties and suburban developments, many with full basements typical of Minnesota construction. With testing data currently limited for the 55302 zip code, homeowners should prioritize radon testing to establish their individual risk levels.

8.67

pCi/L area average

Above EPA Action Level

Wright County average: 8.67 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Annandale 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+

Annandale, 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 Annandale, MN

No homeowner tests have been submitted for Annandale 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
Buffalo	12.7 mi	11.00 pCi/L	1
Monticello	15.1 mi	10.00 pCi/L	1
Watkins	16.3 mi	5.00 pCi/L	1
Big Lake	19.1 mi	7.00 pCi/L	1
Delano	21.0 mi	5.00 pCi/L	1
Cold Spring	21.3 mi	4.00 pCi/L	1
Loretto	23.4 mi	6.00 pCi/L	1
Hutchinson	28.0 mi	7.50 pCi/L	2

Wright County Radon Profile

The bedrock and soils beneath Wright 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 3 cities in Wright County average 8.67 pCi/L across 3 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 Wright County.

Radon FAQ for Annandale, MN

What EPA Radon Zone is Annandale in?

Annandale and the 55302 zip code are in Wright 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 Annandale?

No homeowner radon tests have been submitted for Annandale yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Wright County average—are the best available indicator of local conditions until Annandale 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 Annandale?

Radon mitigation in Annandale 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 Annandale?

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.