Middletown, PA Radon Levels

Q: What EPA Radon Zone is Middletown in?

Middletown is in Dauphin County, EPA Zone 1.

Q: How much does radon mitigation cost in Middletown?

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

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

Middletown, PA Radon Facts

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

County Dauphin County, PA

Zip Code 17057

This Dauphin County community in the Harrisburg Metro area sits in zip code 17057, where Pennsylvania's complex geology creates significant radon potential. Testing data for this area remains limited, though the region's limestone bedrock and typical Pennsylvania housing with basements suggest elevated radon levels are possible. Given the statewide radon concerns, professional testing is strongly recommended for all homeowners.

13.00

pCi/L area average

Above EPA Action Level

Dauphin County average: 13.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Middletown 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+

Middletown, 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 Middletown, PA

No homeowner tests have been submitted for Middletown 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
Elizabethtown	7.7 mi	9.67 pCi/L	3
Harrisburg	8.0 mi	13.00 pCi/L	1
Enola	12.6 mi	20.00 pCi/L	1
Marietta	13.0 mi	5.00 pCi/L	1
Mount Joy	13.5 mi	4.00 pCi/L	1
Annville	13.9 mi	14.00 pCi/L	1
Mechanicsburg	14.9 mi	13.75 pCi/L	4
Dover	15.1 mi	13.00 pCi/L	1

Dauphin County Radon Profile

Because of its underlying geology, Dauphin County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Dauphin County average 13.00 pCi/L across 1 test — 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 Dauphin County home regardless of zone or a neighbor's results.

Radon FAQ for Middletown, PA

What EPA Radon Zone is Middletown in?

Middletown and the 17057 zip code are in Dauphin 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 Middletown?

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

Radon mitigation in Middletown 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 Middletown?

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.