Irwin, PA Radon Mitigation and Testing

Q: What is the average radon level in Irwin, PA?

Based on 1 user-submitted tests, the average radon level is 10.00 pCi/L.

Q: What EPA Radon Zone is Irwin in?

Irwin is in Westmoreland County, EPA Zone 1.

Q: How much does radon mitigation cost in Irwin?

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

Avg: 10.00 pCi/L

Westmoreland County

EPA Zone 1

1 user test

Located in Westmoreland County within the Pittsburgh Metro area, Irwin shows concerning radon levels with an average of 10.0 pCi/L from available testing data — significantly exceeding the EPA's 4.0 pCi/L action level. The area's Pennsylvanian-age coal measures and limestone bedrock contribute to high radon potential across southwestern Pennsylvania's river valleys. Residents in the 15642 area should prioritize radon testing and mitigation, as the single recorded test indicates serious health risks that require immediate attention.

10.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Irwin, PA Radon Mitigation

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

Irwin, PA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Irwin, Pennsylvania Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Irwin, PA	21-50 Years	Full Basement	Jan 2022

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

Irwin Radon Facts

Key details about the radon risk profile for Irwin and the 15642 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Westmoreland County, PA

Zip Code

15642

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.00 pCi/L

User Tests Submitted

Irwin and the 15642 zip code are located in Westmoreland County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Irwin, PA

What is the average radon level in Irwin, PA?

Based on 1 user-submitted test, the average radon level in Irwin is 10.00 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 Irwin in?

Irwin and the 15642 zip code are in Westmoreland 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 Irwin?

Radon mitigation in Irwin 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 Irwin?

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.

Most Active Radon Markets in Pennsylvania

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
State College	10.00 pCi/L	14
Chambersburg	10.14 pCi/L	7
Easton	12.33 pCi/L	6
Butler	12.40 pCi/L	5
Dingmans Ferry	5.80 pCi/L	5
Hanover	14.00 pCi/L	4
Mechanicsburg	13.75 pCi/L	4
Greenville	10.75 pCi/L	4
Pittsburgh	9.25 pCi/L	4
Albrightsville	9.00 pCi/L	4
Philadelphia	8.00 pCi/L	4
Lackawaxen	15.33 pCi/L	3
York	11.67 pCi/L	3
Elizabethtown	9.67 pCi/L	3
Johnstown	7.33 pCi/L	3
West Chester	6.67 pCi/L	3
Danville	5.67 pCi/L	3
Springfield	5.67 pCi/L	3
East Stroudsburg	5.00 pCi/L	3
Langhorne	4.67 pCi/L	3