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New Castle, PA Radon Levels

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


New Castle, PA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Lawrence County, PA
Zip Code 16101
Avg. User Level 20.00 pCi/L
User Tests 1

Industrial city New Castle in Lawrence County shows concerning radon levels averaging 20.0 pCi/L, five times above EPA action guidelines. Located within the Pittsburgh Metro area where Appalachian geology creates high radon potential, homes across ZIP codes 16101, 16102, 16105, and 16108 face significant exposure risks. Immediate testing and professional mitigation are strongly recommended for all residents in this western Pennsylvania community.

20.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in New Castle, PA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

New Castle, PA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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New Castle, PA Radon Levels

User-submitted radon test readings from homes in the New Castle area.

Radon LevelCityHome AgeFoundation
20 pCi/L New Castle, PA 51-99 Years Full Basement

Have a radon test result for New Castle? Submit your reading to help other homeowners.

Radon Readings Near New Castle, PA

Compare radon levels in New Castle with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Pulaski 9.5 mi 9.00 pCi/L 1
New Wilmington 10.1 mi 4.00 pCi/L 1
Beaver Falls 15.5 mi 11.33 pCi/L 3
Hermitage 17.5 mi 6.00 pCi/L 2
New Brighton 17.7 mi 20.00 pCi/L 1
Grove City 17.8 mi 9.00 pCi/L 2
Sharpsville 20.0 mi 9.00 pCi/L 1
Zelienople 20.2 mi 5.00 pCi/L 2

Lawrence County Radon Profile

EPA mapping assigns Lawrence 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 2 cities in Lawrence County average 14.50 pCi/L across 2 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 Lawrence County home regardless of zone or a neighbor's results.

Radon FAQ for New Castle, PA

What is the average radon level in New Castle, PA?
Based on 1 user-submitted test, the average radon level in New Castle is 20.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is New Castle in?
New Castle and the 16101 zip code are in Lawrence 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.
How much does radon mitigation cost in New Castle?
Radon mitigation in New Castle 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 New Castle?
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.