Diamond, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Diamond in?

Diamond is in Newton County, EPA Zone 2.

Q: How much does radon mitigation cost in Diamond?

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

Newton County

EPA Zone 2

Diamond in Newton County sits in Missouri's southwestern corner within the Joplin Metro area, built over Mississippian limestone formations that can produce moderate radon levels. The community features a mix of early 20th-century homes and newer construction, many with basements or crawl spaces. Testing data for this zip code 64840 area remains limited, making professional radon testing essential for homeowners to determine their specific exposure risk.

Diamond, MO Radon Mitigation

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

Diamond, MO Radon Testing

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

Diamond Radon Facts

Key details about the radon risk profile for Diamond and the 64840 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Newton County, MO

Zip Code

64840

Predicted Screening Level

2–4 pCi/L (Zone 2)

Diamond and the 64840 zip code are located in Newton 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 Diamond, MO

What EPA Radon Zone is Diamond in?

Diamond and the 64840 zip code are in Newton 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 Diamond?

Radon mitigation in Diamond 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 Diamond?

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