Catawissa, PA Radon Levels

Q: What EPA Radon Zone is Catawissa in?

Catawissa is in Columbia County, EPA Zone 1.

Q: How much does radon mitigation cost in Catawissa?

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

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

Catawissa, PA Radon Facts

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

County Columbia County, PA

Zip Code 17820

Historic Columbia County borough Catawissa sits in central Pennsylvania where sedimentary bedrock and coal-bearing formations create complex radon conditions. Testing data for the 17820 zip code area remains sparse, though Pennsylvania's geology generally indicates elevated radon potential. The community's mix of 19th-century homes and modern construction presents varying foundation types that influence radon entry rates.

10.29

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.29 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Catawissa 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+

Catawissa, PA 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 Catawissa, PA

No homeowner tests have been submitted for Catawissa 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
Mount Carmel	8.5 mi	20.00 pCi/L	1
Danville	10.4 mi	5.67 pCi/L	3
Coal Township	10.5 mi	8.00 pCi/L	1
Valley View	19.7 mi	20.00 pCi/L	1
Pottsville	20.1 mi	10.00 pCi/L	1
Shamokin Dam	20.5 mi	7.00 pCi/L	2
Selinsgrove	23.3 mi	11.00 pCi/L	1
Lewisburg	24.7 mi	13.00 pCi/L	1

Columbia County Radon Profile

The bedrock and soils beneath Columbia County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Columbia 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 Columbia County.

Radon FAQ for Catawissa, PA

What EPA Radon Zone is Catawissa in?

Catawissa and the 17820 zip code are in Columbia 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 Catawissa?

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

Radon mitigation in Catawissa 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 Catawissa?

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.