Cosmos, MN Radon Levels

Q: What EPA Radon Zone is Cosmos in?

Cosmos is in Meeker County, EPA Zone 1.

Q: Why are radon readings shown from areas near Cosmos?

No homeowner radon tests have been submitted for Cosmos yet, so readings from the closest cities and the Meeker County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Cosmos?

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

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

Cosmos, MN Radon Facts

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

County Meeker County, MN

Zip Code 56228

This Meeker County community sits in Minnesota's glacial lake region, where clay-rich soils over limestone bedrock can facilitate radon gas migration. With limited testing data available for the 56228 zip code area, residents are encouraged to conduct professional radon testing. The area's agricultural character includes many homes with full basements typical of Minnesota construction.

5.00

pCi/L area average

Above EPA Action Level

Meeker County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Cosmos 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+

Cosmos, MN Radon Mitigation

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

Need Radon Mitigation or Testing in Cosmos?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Meeker County Pros

1-800-299-3578 320-209-7507 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Cosmos, MN

No homeowner tests have been submitted for Cosmos 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
Hutchinson	15.9 mi	7.50 pCi/L	2
Stewart	20.1 mi	4.00 pCi/L	1
Willmar	21.3 mi	14.00 pCi/L	1
Watkins	27.5 mi	5.00 pCi/L	1
Cold Spring	36.2 mi	4.00 pCi/L	1
Buffalo	43.5 mi	11.00 pCi/L	1
Delano	44.1 mi	5.00 pCi/L	1
Sleepy Eye	46.8 mi	12.00 pCi/L	1

Meeker County Radon Profile

Because of its underlying geology, Meeker County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Meeker County average 5.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Meeker County home regardless of zone or a neighbor's results.

Radon FAQ for Cosmos, MN

What EPA Radon Zone is Cosmos in?

Cosmos and the 56228 zip code are in Meeker 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 Cosmos?

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

Radon mitigation in Cosmos 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 Cosmos?

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.