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New Columbia, PA Radon Levels

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


New Columbia, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Union County, PA
Zip Code 17856
Avg. User Level 20.00 pCi/L
User Tests 1

Rural Union County community New Columbia shows elevated radon readings of 20.0 pCi/L, five times the EPA action level. Located in Pennsylvania's Susquehanna River valley where sedimentary bedrock and glacial deposits create high radon potential, homes in ZIP code 17856 face significant exposure risks. Immediate professional mitigation is strongly advised for all residents in this central Pennsylvania community.

20.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

New Columbia, 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 Columbia, PA Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L New Columbia, PA 21-50 Years Full Basement

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

Radon Readings Near New Columbia, PA

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

CityDistanceAvg User LevelReadings
Lewisburg 5.8 mi 13.00 pCi/L 1
Mifflinburg 12.0 mi 4.00 pCi/L 1
Williamsport 13.1 mi 16.00 pCi/L 4
Montoursville 14.7 mi 14.00 pCi/L 1
Shamokin Dam 15.0 mi 7.00 pCi/L 2
Danville 15.4 mi 5.67 pCi/L 3
Selinsgrove 16.1 mi 11.00 pCi/L 1
Jersey Shore 23.4 mi 15.00 pCi/L 1

Union County Radon Profile

The bedrock and soils beneath Union County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 3 cities in Union County average 12.33 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Union County.

Radon FAQ for New Columbia, PA

What is the average radon level in New Columbia, PA?
Based on 1 user-submitted test, the average radon level in New Columbia 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 Columbia in?
New Columbia and the 17856 zip code are in Union 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.
How much does radon mitigation cost in New Columbia?
Radon mitigation in New Columbia 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 Columbia?
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.