Henrietta, MO Radon Levels

Q: What EPA Radon Zone is Henrietta in?

Henrietta is in Ray County, EPA Zone 2.

Q: How much does radon mitigation cost in Henrietta?

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

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

Henrietta, MO Radon Facts

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

County Ray County, MO

Zip Code 64036

Henrietta sits in Ray County north of Kansas City, where Missouri's diverse geology includes limestone and shale formations that can contribute to radon accumulation in homes. The community features a mix of older farmhouses and newer residential construction, many with basements typical of the Midwest region. Although comprehensive radon data for the 64036 area is currently unavailable, residents should conduct testing given Missouri's variable radon conditions.

5.00

pCi/L area average

Above EPA Action Level

Ray County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Henrietta 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+

Henrietta, 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 Henrietta, MO

No homeowner tests have been submitted for Henrietta 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
Richmond	3.7 mi	5.00 pCi/L	1
Buckner	16.2 mi	6.00 pCi/L	1
Oak Grove	19.7 mi	7.00 pCi/L	1
Grain Valley	20.5 mi	14.00 pCi/L	2
Blue Springs	24.2 mi	14.00 pCi/L	1
Kearney	24.4 mi	5.00 pCi/L	1
Carrollton	25.4 mi	6.00 pCi/L	1
Liberty	25.8 mi	6.50 pCi/L	2

Ray County Radon Profile

The soils and bedrock of Ray County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 1 city in Ray County average 5.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Ray County to test, as levels can differ between neighboring homes.

Radon FAQ for Henrietta, MO

What EPA Radon Zone is Henrietta in?

Henrietta and the 64036 zip code are in Ray 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 Henrietta?

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

Radon mitigation in Henrietta 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 Henrietta?

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.