Hiawatha, KS Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 8.50 pCi/L.

Q: What EPA Radon Zone is Hiawatha in?

Hiawatha is in Brown County, EPA Zone 1.

Q: How much does radon mitigation cost in Hiawatha?

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

Avg: 8.50 pCi/L

Brown County

EPA Zone 1

2 user tests

Located in northeastern Kansas's Brown County (66434), Hiawatha has documented an average radon level of 8.5 pCi/L from 2 residential tests. This significantly exceeds the EPA action level, reflecting the area's glacial till soils over limestone bedrock that create ideal conditions for radon production and accumulation. The community's older housing stock and deep basement foundations contribute to elevated indoor radon concentrations that require mitigation.

8.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Hiawatha, KS. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Hiawatha, KS Radon Mitigation

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

Hiawatha, KS Radon Testing

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

Hiawatha, Kansas Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Hiawatha, KS	21-50 Years	Full Basement	Mar 2022
11 pCi/L	Hiawatha, KS	100+ Years	Partial Basement	Feb 2021

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

Hiawatha Radon Facts

Key details about the radon risk profile for Hiawatha and the 66434 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Brown County, KS

Zip Code

66434

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

8.50 pCi/L

User Tests Submitted

Hiawatha and the 66434 zip code are located in Brown 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 Hiawatha, KS

What is the average radon level in Hiawatha, KS?

Based on 2 user-submitted tests, the average radon level in Hiawatha is 8.50 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 Hiawatha in?

Hiawatha and the 66434 zip code are in Brown 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 Hiawatha?

Radon mitigation in Hiawatha 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 Hiawatha?

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