Gresham, WI Radon Mitigation and Testing

Q: What is the average radon level in Gresham, WI?

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Gresham in?

Gresham is in Shawano County, EPA Zone 1.

Q: How much does radon mitigation cost in Gresham?

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

Avg: 9.00 pCi/L

Shawano County

EPA Zone 1

1 user test

Gresham is located in Shawano County, Wisconsin. With 1 user-submitted readings averaging 9.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 54128 zip code.

9.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Gresham, WI Radon Mitigation

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

Gresham, WI Radon Testing

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

Gresham, Wisconsin Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Gresham, WI	21-50 Years	Full Basement	Apr 2023

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

Gresham Radon Facts

Key details about the radon risk profile for Gresham and the 54128 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Shawano County, WI

Zip Code

54128

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Gresham and the 54128 zip code are located in Shawano 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 Gresham, WI

What is the average radon level in Gresham, WI?

Based on 1 user-submitted test, the average radon level in Gresham is 9.00 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 Gresham in?

Gresham and the 54128 zip code are in Shawano 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 Gresham?

Radon mitigation in Gresham 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 Gresham?

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 Wisconsin

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

City	Avg User Radon Level	Submissions
Milwaukee	10.00 pCi/L	3
Prairie Du Chien	10.00 pCi/L	2
Stevens Point	5.50 pCi/L	2
Menomonie	10.00 pCi/L	1
Delavan	6.00 pCi/L	1
Shawano	No submissions	0
Sturgeon Bay	No submissions	0