Newton, NC Radon Levels

Q: What EPA Radon Zone is Newton in?

Newton is in Catawba County, EPA Zone 2.

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

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

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

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

Newton, NC Radon Facts

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

County Catawba County, NC

Zip Code 28658

Located in Catawba County within the Hickory Metro area, Newton sits in the Piedmont region where granite and metamorphic bedrock can produce moderate to elevated radon levels. Testing data remains limited for zip code 28658, but residents should consider radon testing given the region's geological setting with uranium-bearing crystalline rocks.

6.25

pCi/L area average

Above EPA Action Level

Catawba County average: 6.25 pCi/L, based on 4 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Newton 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+

Newton, NC 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 Newton?

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Radon Readings Near Newton, NC

No homeowner tests have been submitted for Newton yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
4 pCi/L	Conover, NC	5.8 mi	51-99 Years	Full Basement	Jan 2024
5 pCi/L	Hickory, NC	7.7 mi	21-50 Years	Full Basement	Apr 2018
5 pCi/L	Claremont, NC	8.0 mi	21-50 Years	Full Basement	Jan 2024
6 pCi/L	Lincolnton, NC	11.9 mi	21-50 Years	Full Basement	Apr 2020
5 pCi/L	Vale, NC	15.2 mi	21-50 Years	Full Basement	Dec 2023
11 pCi/L	Terrell, NC	16.3 mi	0-20 Years	No Basement/All Crawl Space	Jul 2019
5 pCi/L	Connellys Springs, NC	16.5 mi	21-50 Years	Full Basement	Jan 2020
4 pCi/L	Denver, NC	18.3 mi	0-20 Years	Partial Basement	Aug 2024

Readings are drawn from the nearest cities with submitted data. Have a result for Newton? Submit your reading to help your neighbors.

Catawba County Radon Profile

EPA mapping assigns Catawba 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 4 cities in Catawba County average 6.25 pCi/L across 4 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 Catawba County home regardless of zone or a neighbor's results.

Radon FAQ for Newton, NC

What EPA Radon Zone is Newton in?

Newton and the 28658 zip code are in Catawba 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 Newton?

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

Radon mitigation in Newton 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 Newton?

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.

Radon Levels Near Newton, NC

User-submitted radon levels from the cities closest to Newton with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Conover	5.8 mi	4.00 pCi/L	1
Hickory	7.7 mi	5.00 pCi/L	1
Claremont	8.0 mi	5.00 pCi/L	1
Lincolnton	11.9 mi	6.00 pCi/L	1
Vale	15.2 mi	5.00 pCi/L	1
Terrell	16.3 mi	11.00 pCi/L	1
Connellys Springs	16.5 mi	5.00 pCi/L	1
Denver	18.3 mi	4.33 pCi/L	3