Willow, AK Radon Mitigation and Testing

Q: What is the average radon level in Willow, AK?

Based on 1 user-submitted tests, the average radon level is 2.00 pCi/L.

Q: What EPA Radon Zone is Willow in?

Willow is in Matanuska-Susitna Borough County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Willow?

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

Avg: 2.00 pCi/L

Matanuska-Susitna Borough County

EPA Zone Unknown

1 user test

Located in the Matanuska-Susitna Borough north of Anchorage, Willow benefits from Alaska's generally lower radon environment, with local testing showing 2.0 pCi/L - well within EPA recommended levels. The area's permafrost conditions and rocky glacial soils typically limit radon gas migration, though homes with basements or those built on unfrozen ground should still conduct periodic testing. Even in lower-risk regions like zip code 99688, baseline radon testing remains a wise precaution.

2.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Willow, AK Radon Mitigation

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

Willow, AK Radon Testing

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

Willow, Alaska Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
2 pCi/L	Willow, AK	0-20 Years	Full Basement	Feb 2021

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

Willow Radon Facts

Key details about the radon risk profile for Willow and the 99688 zip code area.

EPA Radon Zone

Unknown

County

Matanuska-Susitna Borough County, AK

Zip Code

99688

Predicted Screening Level

Unknown

Avg. User Submitted Level

2.00 pCi/L

User Tests Submitted

Willow and the 99688 zip code are located in Matanuska-Susitna Borough County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Willow, AK

What is the average radon level in Willow, AK?

Based on 1 user-submitted test, the average radon level in Willow is 2.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Willow in?

Willow and the 99688 zip code are in Matanuska-Susitna Borough County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Willow?

Radon mitigation in Willow 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 Willow?

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 Alaska

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

City	Avg User Radon Level	Submissions
Anchorage	5.00 pCi/L	5
Palmer	9.00 pCi/L	4
Eagle River	9.33 pCi/L	3
Wasilla	5.00 pCi/L	1