Gilliam, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Gilliam in?

Gilliam is in Saline County, EPA Zone 2.

Q: How much does radon mitigation cost in Gilliam?

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

Saline County

EPA Zone 2

Located in Saline County in central Missouri, Gilliam sits over Pennsylvanian-age limestone and shale formations that characterize much of the region. While comprehensive radon data isn't available for ZIP 65330, the area's EPA Zone 2 designation indicates moderate radon potential. The underlying limestone bedrock can serve as a radon source, making home testing advisable for local residents.

Gilliam, MO Radon Mitigation

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

Gilliam, MO Radon Testing

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Gilliam Radon Facts

Key details about the radon risk profile for Gilliam and the 65330 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Saline County, MO

Zip Code

65330

Predicted Screening Level

2–4 pCi/L (Zone 2)

Gilliam and the 65330 zip code are located in Saline 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 Gilliam, MO

What EPA Radon Zone is Gilliam in?

Gilliam and the 65330 zip code are in Saline 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 Gilliam?

Radon mitigation in Gilliam 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 Gilliam?

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 Missouri

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

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0