Ames, IA Radon Mitigation and Testing

Q: What is the average radon level in Ames, IA?

Based on 3 user-submitted tests, the average radon level is 9.70 pCi/L.

Q: What EPA Radon Zone is Ames in?

Ames is in Story County, EPA Zone 1.

Q: How much does radon mitigation cost in Ames?

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

Avg: 9.70 pCi/L

Story County

EPA Zone 1

3 user tests

Home to Iowa State University in Story County, Ames records elevated radon levels with an average of 9.67 pCi/L. These readings significantly exceed the EPA action level, reflecting Iowa's high radon potential from glacial till over limestone bedrock. Properties in zip codes 50010 and 50014 should prioritize testing and mitigation given these concerning levels.

9.70

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Ames, IA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Ames, IA Radon Mitigation

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

Ames, IA Radon Testing

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

Ames, Iowa Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Ames, IA	0-20 Years	—	Jan 2026
16 pCi/L	Ames, IA	21-50 Years	Full Basement	Jan 2024
6 pCi/L	Ames, IA	51-99 Years	—	Feb 2022

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

Ames Radon Facts

Key details about the radon risk profile for Ames and the 50010 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Story County, IA

Zip Code

50010

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.70 pCi/L

User Tests Submitted

Ames and the 50010 zip code are located in Story 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 Ames, IA

What is the average radon level in Ames, IA?

Based on 3 user-submitted tests, the average radon level in Ames is 9.70 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 Ames in?

Ames and the 50010 zip code are in Story 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 Ames?

Radon mitigation in Ames 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 Ames?

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 Iowa

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

City	Avg User Radon Level	Submissions
Waterloo	8.50 pCi/L	4
Ames	9.67 pCi/L	3
Fairfield	14.00 pCi/L	2
Mount Pleasant	12.00 pCi/L	2
Ottumwa	5.50 pCi/L	2
Iowa City	7.00 pCi/L	1
Muscatine	No submissions	0