Archie, MO Radon Levels

Q: What EPA Radon Zone is Archie in?

Archie is in Cass County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Archie yet, so readings from the closest cities and the Cass 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 Archie?

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

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

Archie, MO Radon Facts

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

County Cass County, MO

Zip Code 64725

Small-town Archie in Cass County sits within the greater Kansas City Metro area on Missouri's characteristic prairie geology over sedimentary bedrock. Testing data for zip code 64725 remains limited, but the EPA Zone 1 designation suggests potentially elevated radon levels. Homeowners in this rural community should prioritize radon testing, particularly in homes with basements typical of the region's residential construction.

14.00

pCi/L area average

Above EPA Action Level

Cass County average: 14.00 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Archie 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+

Archie, MO 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 Archie, MO

No homeowner tests have been submitted for Archie 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
Harrisonville	10.1 mi	20.00 pCi/L	1
Pleasant Hill	20.9 mi	15.00 pCi/L	1
Belton	23.8 mi	7.00 pCi/L	1
Grandview	27.8 mi	9.00 pCi/L	1
Lees Summit	29.7 mi	7.00 pCi/L	3
Blue Springs	35.9 mi	14.00 pCi/L	1
Oak Grove	36.6 mi	7.00 pCi/L	1
Grain Valley	37.5 mi	14.00 pCi/L	2

Cass County Radon Profile

The bedrock and soils beneath Cass 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 Cass County average 14.00 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 Cass County.

Radon FAQ for Archie, MO

What EPA Radon Zone is Archie in?

Archie and the 64725 zip code are in Cass 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 Archie?

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

Radon mitigation in Archie 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 Archie?

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.