Ottawa, KS Radon Mitigation and Testing

Q: What is the average radon level in Ottawa, KS?

Based on 1 user-submitted tests, the average radon level is 17.00 pCi/L.

Q: What EPA Radon Zone is Ottawa in?

Ottawa is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Ottawa?

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

Avg: 17.00 pCi/L

Franklin County

EPA Zone 2

1 user test

This Franklin County community has recorded an average radon level of 17.0 pCi/L, significantly exceeding the EPA action threshold of 4.0 pCi/L. Properties in the 66067 area should prioritize radon testing and mitigation given this elevated reading. Kansas geology often contributes to higher radon concentrations, particularly in homes with basement foundations.

17.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Ottawa, KS Radon Mitigation

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

Ottawa, KS Radon Testing

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

Ottawa, Kansas Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
17 pCi/L	Ottawa, KS	21-50 Years	Full Basement	Jan 2022

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

Ottawa Radon Facts

Key details about the radon risk profile for Ottawa and the 66067 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Franklin County, KS

Zip Code

66067

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

17.00 pCi/L

User Tests Submitted

Ottawa and the 66067 zip code are located in Franklin County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Ottawa, KS

What is the average radon level in Ottawa, KS?

Based on 1 user-submitted test, the average radon level in Ottawa is 17.00 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 Ottawa in?

Ottawa and the 66067 zip code are in Franklin County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Ottawa?

Radon mitigation in Ottawa 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 Ottawa?

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 Kansas

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

City	Avg User Radon Level	Submissions
Topeka	6.00 pCi/L	1
Overland Park	No submissions	0