Blackwater, MO Radon Levels

Q: What EPA Radon Zone is Blackwater in?

Blackwater is in Cooper County, EPA Zone 2.

Q: How much does radon mitigation cost in Blackwater?

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

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

Blackwater, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Cooper County, MO

Zip Code 65322

Situated in Cooper County within the Columbia Metro area, Blackwater lies in EPA Zone 2, indicating moderate radon potential. Missouri's limestone and shale bedrock can create variable radon conditions across different neighborhoods. Testing data for this 65322 community remains limited, making individual home testing essential for residents to determine their radon exposure levels.

4.00

pCi/L area average

Above EPA Action Level

Cooper County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Blackwater itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Blackwater, MO Radon Mitigation

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

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Radon Readings Near Blackwater, MO

No homeowner tests have been submitted for Blackwater 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
Boonville	12.1 mi	4.00 pCi/L	1
Sedalia	23.8 mi	6.00 pCi/L	1
Columbia	37.5 mi	3.00 pCi/L	2
Cole Camp	37.9 mi	5.00 pCi/L	1
Carrollton	39.1 mi	6.00 pCi/L	1
Hallsville	41.0 mi	5.00 pCi/L	2
Warrensburg	43.2 mi	9.00 pCi/L	1
Gravois Mills	50.0 mi	7.00 pCi/L	1

Cooper County Radon Profile

EPA mapping assigns Cooper County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Cooper County average 4.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Cooper County home regardless of zone or a neighbor's results.

Radon FAQ for Blackwater, MO

What EPA Radon Zone is Blackwater in?

Blackwater and the 65322 zip code are in Cooper 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.

Why are radon readings shown from areas near Blackwater?

No homeowner radon tests have been submitted for Blackwater yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Cooper County average—are the best available indicator of local conditions until Blackwater 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 Blackwater?

Radon mitigation in Blackwater 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 Blackwater?

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.