Granville, PA Radon Levels

Q: What EPA Radon Zone is Granville in?

Granville is in Mifflin County, EPA Zone 1.

Q: How much does radon mitigation cost in Granville?

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

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

Granville, PA Radon Facts

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

County Mifflin County, PA

Zip Code 17029

Located in Mifflin County in central Pennsylvania's ridge and valley region, Granville sits on folded sedimentary rock formations that can produce variable but often elevated radon levels. While specific radon data for zip code 17029 is not currently available, Pennsylvania's complex geology consistently ranks the state among the nation's highest for indoor radon. Testing is essential for all Granville homeowners, particularly those in older homes with stone foundations typical of this rural Pennsylvania community.

10.46

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 10.46 pCi/L, based on 28 tests from 10 nearby cities. No readings have been submitted for Granville 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+

Granville, 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 Granville, PA

No homeowner tests have been submitted for Granville 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
Boalsburg	17.6 mi	2.00 pCi/L	1
Centre Hall	18.9 mi	15.00 pCi/L	1
Huntingdon	20.2 mi	20.00 pCi/L	1
Spring Mills	21.2 mi	3.00 pCi/L	1
State College	21.4 mi	9.93 pCi/L	15
Bellefonte	25.0 mi	13.00 pCi/L	2
Newville	27.8 mi	4.00 pCi/L	1
Carlisle	32.1 mi	11.33 pCi/L	3

Mifflin County Radon Profile

Mifflin County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Mifflin County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Mifflin County to test, as levels can differ between neighboring homes.

Radon FAQ for Granville, PA

What EPA Radon Zone is Granville in?

Granville and the 17029 zip code are in Mifflin 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 Granville?

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

Radon mitigation in Granville 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 Granville?

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.