Blackwell, MO Radon Levels

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.

Check local Blackwell radon levels and find certified testing and mitigation professionals to keep your home safe

Blackwell, MO Radon Facts

EPA Radon Zone Unknown Unknown

County Washington County, MO

Zip Code 63626

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.

9.40

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 9.40 pCi/L, based on 15 tests from 10 nearby cities. No readings have been submitted for Blackwell yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Blackwell, MO Radon Mitigation

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

Need Radon Mitigation or Testing in Blackwell?

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Radon Readings Near Blackwell, MO

No homeowner tests have been submitted for Blackwell yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
De Soto	6.1 mi	11.00 pCi/L	1
Bonne Terre	9.9 mi	4.50 pCi/L	2
Festus	14.2 mi	5.00 pCi/L	2
Farmington	22.5 mi	9.50 pCi/L	2
House Springs	25.1 mi	7.00 pCi/L	1
Imperial	26.4 mi	13.00 pCi/L	1
Arnold	29.1 mi	10.50 pCi/L	2
Fenton	32.1 mi	16.00 pCi/L	2

Washington County Radon Profile

Washington County has not been assigned a definitive EPA radon zone, so the agency recommends that every home be tested regardless of predicted risk. User-submitted readings are still sparse within Washington County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Washington County.

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.

Why are radon readings shown from areas near Blackwell?

No homeowner radon tests have been submitted for Blackwell yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Washington County average—are the best available indicator of local conditions until Blackwell homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

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.