Princeville, IL Radon Levels

Q: What EPA Radon Zone is Princeville in?

Princeville is in Peoria County, EPA Zone 1.

Q: How much does radon mitigation cost in Princeville?

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

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

Princeville, IL Radon Facts

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

County Peoria County, IL

Zip Code 61559

Located in Peoria County within the Peoria Metro area, Princeville sits along Illinois River valley terrain where alluvial soils over limestone bedrock create variable radon conditions. Testing data for zip code 61559 is currently developing, but the region's geological characteristics can contribute to moderate radon levels. Individual testing remains important for accurate assessment of home-specific conditions.

6.67

pCi/L area average

Above EPA Action Level

Peoria County average: 6.67 pCi/L, based on 3 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Princeville 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+

Princeville, 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 Princeville, IL

No homeowner tests have been submitted for Princeville 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
Dunlap	8.3 mi	7.00 pCi/L	1
Peoria	16.0 mi	5.00 pCi/L	1
Metamora	19.8 mi	7.50 pCi/L	2
East Peoria	20.0 mi	8.00 pCi/L	3
Mapleton	20.8 mi	8.00 pCi/L	1
Kewanee	24.3 mi	8.00 pCi/L	1
Knoxville	26.9 mi	8.00 pCi/L	1
Varna	28.6 mi	20.00 pCi/L	1

Peoria County Radon Profile

Because of its underlying geology, Peoria County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 3 cities in Peoria County average 6.67 pCi/L across 3 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 Peoria County home regardless of zone or a neighbor's results.

Radon FAQ for Princeville, IL

What EPA Radon Zone is Princeville in?

Princeville and the 61559 zip code are in Peoria 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 Princeville?

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

Radon mitigation in Princeville 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 Princeville?

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.