Mozier, IL Radon Levels

Q: What EPA Radon Zone is Mozier in?

Mozier is in Calhoun County, EPA Zone 1.

Q: Why are radon readings shown from areas near Mozier?

No homeowner radon tests have been submitted for Mozier yet, so readings from the closest cities and the Calhoun County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Mozier?

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

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

Mozier, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Calhoun County, IL

Zip Code 62070

Perched along the Illinois River in Calhoun County, Mozier sits on river bluff limestone formations that create excellent conditions for radon gas production and migration. This small Mississippi River confluence community in zip code 62070 features older homes with stone foundations and basements typical of 19th-century river towns. Although testing data is limited, the EPA Zone 1 high-risk designation and underlying limestone geology make radon testing essential for all residents.

6.64

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.64 pCi/L, based on 11 tests from 9 nearby cities. No readings have been submitted for Mozier 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+

Mozier, IL 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 Mozier, IL

No homeowner tests have been submitted for Mozier 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
White Hall	20.8 mi	6.00 pCi/L	1
Pittsfield	21.6 mi	5.00 pCi/L	1
Jerseyville	25.2 mi	3.50 pCi/L	2
Grafton	26.3 mi	14.00 pCi/L	1
Griggsville	28.8 mi	4.00 pCi/L	1
Godfrey	37.7 mi	6.00 pCi/L	1
Jacksonville	41.2 mi	9.00 pCi/L	2
East Alton	45.7 mi	4.00 pCi/L	1

Calhoun County Radon Profile

Calhoun County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Few homeowner tests have been logged inside Calhoun County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Calhoun County to test, as levels can differ between neighboring homes.

Radon FAQ for Mozier, IL

What EPA Radon Zone is Mozier in?

Mozier and the 62070 zip code are in Calhoun County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Mozier?

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

Radon mitigation in Mozier 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 Mozier?

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.