Saint Peter, IL Radon Levels

Q: What EPA Radon Zone is Saint Peter in?

Saint Peter is in Fayette County, EPA Zone 2.

Q: How much does radon mitigation cost in Saint Peter?

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

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

Saint Peter, IL Radon Facts

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

County Fayette County, IL

Zip Code 62880

Located in rural Fayette County, this southern Illinois community currently lacks comprehensive radon testing data for homeowners to reference. The area's Pennsylvanian-era coal measures and shale deposits in the Illinois Basin typically create moderate radon conditions, though individual properties can vary significantly. Given Illinois' moderate-to-high radon potential statewide, professional testing is recommended to determine your home's specific exposure levels.

7.82

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.82 pCi/L, based on 11 tests from 7 nearby cities. No readings have been submitted for Saint Peter 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+

Saint Peter, 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 Saint Peter, IL

No homeowner tests have been submitted for Saint Peter 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
Effingham	23.5 mi	4.33 pCi/L	3
Kell	24.7 mi	5.00 pCi/L	1
Carlyle	33.6 mi	13.00 pCi/L	1
Mount Vernon	38.3 mi	4.00 pCi/L	1
Shelbyville	40.7 mi	17.00 pCi/L	1
Highland	44.9 mi	6.00 pCi/L	1
Mattoon	49.4 mi	9.33 pCi/L	3

Fayette County Radon Profile

Fayette County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Fayette 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 Fayette County.

Radon FAQ for Saint Peter, IL

What EPA Radon Zone is Saint Peter in?

Saint Peter and the 62880 zip code are in Fayette 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 Saint Peter?

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

Radon mitigation in Saint Peter 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 Saint Peter?

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.