Scott Air Force Base, IL Radon Levels

Q: What EPA Radon Zone is Scott Air Force Base in?

Scott Air Force Base is in St Clair County, EPA Zone 2.

Q: How much does radon mitigation cost in Scott Air Force Base?

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

Check local Scott Air Force Base radon levels and find certified testing and mitigation professionals to keep your home safe

Scott Air Force Base, IL Radon Facts

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

County St Clair County, IL

Zip Code 62225

Located in St Clair County within the St. Louis Metro area, Scott Air Force Base in zip code 62225 sits on Mississippi River floodplain deposits that can create variable radon conditions. The absence of civilian testing data for this military installation means base housing residents should work with base environmental staff to understand radon assessment protocols. Military housing construction and maintenance standards may differ from civilian approaches to radon testing and mitigation.

7.50

pCi/L area average

Above EPA Action Level

St Clair County average: 7.50 pCi/L, based on 12 user-submitted tests across 7 cities in the county. No homeowner readings have been submitted for Scott Air Force Base 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+

Scott Air Force Base, 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 Scott Air Force Base, IL

No homeowner tests have been submitted for Scott Air Force Base 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
O Fallon	2.8 mi	6.00 pCi/L	1
Lebanon	5.4 mi	10.50 pCi/L	2
Mascoutah	6.1 mi	6.50 pCi/L	2
Belleville	7.4 mi	7.33 pCi/L	3
Fairview Heights	8.8 mi	9.00 pCi/L	1
Caseyville	10.5 mi	7.50 pCi/L	2
Collinsville	11.9 mi	5.00 pCi/L	1
Troy	12.5 mi	4.00 pCi/L	1

St Clair County Radon Profile

EPA mapping assigns St Clair 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 7 cities in St Clair County average 7.50 pCi/L across 12 tests — 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 St Clair County home regardless of zone or a neighbor's results.

Radon FAQ for Scott Air Force Base, IL

What EPA Radon Zone is Scott Air Force Base in?

Scott Air Force Base and the 62225 zip code are in St Clair 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 Scott Air Force Base?

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

Radon mitigation in Scott Air Force Base 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 Scott Air Force Base?

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.