Carthage, MO Radon Levels

Q: What EPA Radon Zone is Carthage in?

Carthage is in Jasper County, EPA Zone 2.

Q: How much does radon mitigation cost in Carthage?

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

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

Carthage, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Jasper County, MO

Zip Code 64836

County seat of Jasper County within the Joplin Metro area, Carthage sits on Ozark Plateau limestone formations known for variable radon production. While specific testing data for zip code 64836 remains limited, the area's EPA Zone 2 classification suggests moderate radon potential. The city's historic downtown and surrounding residential areas, built on karst geology, warrant careful radon monitoring by local homeowners.

6.00

pCi/L area average

Above EPA Action Level

Jasper County average: 6.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Carthage 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+

Carthage, 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 Carthage, MO

No homeowner tests have been submitted for Carthage 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
Webb City	9.0 mi	7.00 pCi/L	1
Carl Junction	13.5 mi	5.00 pCi/L	1
Stockton	48.2 mi	4.00 pCi/L	1

Jasper County Radon Profile

EPA mapping assigns Jasper County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 2 cities in Jasper County average 6.00 pCi/L across 2 tests — 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 Jasper County home regardless of zone or a neighbor's results.

Radon FAQ for Carthage, MO

What EPA Radon Zone is Carthage in?

Carthage and the 64836 zip code are in Jasper County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Carthage?

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

Radon mitigation in Carthage 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 Carthage?

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.