Stratford, WI Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 13.00 pCi/L.

Q: What EPA Radon Zone is Stratford in?

Stratford is in Marathon County, EPA Zone 1.

Q: How much does radon mitigation cost in Stratford?

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

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

Stratford, WI Radon Facts

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

County Marathon County, WI

Zip Code 54484

Avg. User Level 13.00 pCi/L

User Tests 1

This Marathon County community has recorded an exceptionally high average radon level of 13.0 pCi/L, more than three times the EPA action threshold. Stratford's position within Wisconsin's glaciated landscape over Precambrian bedrock creates ideal conditions for significant radon accumulation in residential structures. Immediate professional radon testing and mitigation system installation are strongly recommended for all homes in the 54484 area.

13.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Stratford, WI Radon Mitigation

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

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Stratford, Wisconsin Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
13 pCi/L	Stratford, WI	0-20 Years	Partial Basement	Nov 2017

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

Marathon County Radon Profile

Because of its underlying geology, Marathon 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 2 cities in Marathon County average 9.50 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 Marathon County home regardless of zone or a neighbor's results.

Radon FAQ for Stratford, WI

What is the average radon level in Stratford, WI?

Based on 1 user-submitted test, the average radon level in Stratford is 13.00 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 Stratford in?

Stratford and the 54484 zip code are in Marathon 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 Stratford?

Radon mitigation in Stratford 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 Stratford?

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.

Radon Levels Near Stratford, WI

User-submitted radon levels from the cities closest to Stratford with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Marshfield	10.7 mi	13.50 pCi/L	2
Mosinee	18.3 mi	6.00 pCi/L	1