Blackwell, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Blackwell in?

Blackwell is in Washington County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Blackwell?

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

Washington County

EPA Zone Unknown

Blackwell is located in Washington County in southeastern Missouri's mineral-rich region, where lead and iron mining history reflects the area's complex geology. The region's limestone bedrock and residual soils can create variable radon conditions from property to property. With testing data currently limited for the 63626 area, homeowners should conduct radon testing to understand their specific exposure risk.

Blackwell, MO Radon Mitigation

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

Blackwell, MO Radon Testing

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

Blackwell Radon Facts

Key details about the radon risk profile for Blackwell and the 63626 zip code area.

EPA Radon Zone

Unknown

County

Washington County, MO

Zip Code

63626

Predicted Screening Level

Unknown

Blackwell and the 63626 zip code are located in Washington County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Blackwell, MO

What EPA Radon Zone is Blackwell in?

Blackwell and the 63626 zip code are in Washington County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Blackwell?

Radon mitigation in Blackwell 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 Blackwell?

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