Granby, MO Radon Levels

Q: What EPA Radon Zone is Granby in?

Granby is in Newton County, EPA Zone 2.

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

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

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

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

Granby, MO Radon Facts

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

County Newton County, MO

Zip Code 64844

Located in Newton County within the Joplin Metro area, Granby sits on Ozark plateau geology that can affect indoor radon concentrations. With testing data currently limited for zip code 64844, homeowners should test their properties to understand their radon exposure levels.

5.57

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.57 pCi/L, based on 7 tests from 5 nearby cities. No readings have been submitted for Granby yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Granby, 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 Granby, MO

No homeowner tests have been submitted for Granby 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	20.0 mi	7.00 pCi/L	1
Carl Junction	24.7 mi	5.00 pCi/L	1
Shell Knob	40.7 mi	5.00 pCi/L	2
Golden	42.7 mi	3.00 pCi/L	1
Kimberling City	49.4 mi	7.00 pCi/L	2

Newton County Radon Profile

Newton County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Newton County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Newton County.

Radon FAQ for Granby, MO

What EPA Radon Zone is Granby in?

Granby and the 64844 zip code are in Newton 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 Granby?

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

Radon mitigation in Granby 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 Granby?

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.