Randolph, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Randolph in?

Randolph is in Riley County, EPA Zone 1.

Q: How much does radon mitigation cost in Randolph?

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

Riley County

EPA Zone 1

Located in Riley County near Manhattan, Kansas, this zip code 66554 community currently has limited radon testing data available. The area's Flint Hills geology, characterized by limestone and shale formations, can contribute to moderate radon potential across the region. Professional radon testing is recommended for homeowners, particularly given Kansas's variable radon conditions and the need for localized data in this college-area community.

Randolph, KS Radon Mitigation

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

Randolph, KS Radon Testing

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

Randolph Radon Facts

Key details about the radon risk profile for Randolph and the 66554 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Riley County, KS

Zip Code

66554

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Randolph and the 66554 zip code are located in Riley 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 Randolph, KS

What EPA Radon Zone is Randolph in?

Randolph and the 66554 zip code are in Riley 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 Randolph?

Radon mitigation in Randolph 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 Randolph?

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