Peoria Heights, IL Radon Levels

Q: What EPA Radon Zone is Peoria Heights in?

Peoria Heights is in Peoria County, EPA Zone 1.

Q: How much does radon mitigation cost in Peoria Heights?

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

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

Peoria Heights, IL Radon Facts

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

County Peoria County, IL

Zip Code 61616

Perched above the Illinois River in Peoria County, this bluff-top community sits within the river valley geological zone where alluvial soils and underlying limestone create variable radon conditions. Testing data remains limited for this area, making professional radon assessment crucial for homeowners to understand their individual exposure risk. The community's elevated topography and mix of historic and mid-century homes with basements warrant careful attention to indoor air quality in zip 61616.

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 Peoria Heights 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+

Peoria Heights, 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 Peoria Heights, IL

No homeowner tests have been submitted for Peoria Heights 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
Peoria	3.7 mi	5.00 pCi/L	1
East Peoria	5.3 mi	8.00 pCi/L	3
Dunlap	7.5 mi	7.00 pCi/L	1
Metamora	7.9 mi	7.50 pCi/L	2
Mapleton	12.0 mi	8.00 pCi/L	1
Mackinaw	18.7 mi	20.00 pCi/L	1
Varna	26.0 mi	20.00 pCi/L	1
Normal	34.7 mi	7.25 pCi/L	4

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 Peoria Heights, IL

What EPA Radon Zone is Peoria Heights in?

Peoria Heights and the 61616 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 Peoria Heights?

No homeowner radon tests have been submitted for Peoria Heights 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 Peoria Heights 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 Peoria Heights?

Radon mitigation in Peoria Heights 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 Peoria Heights?

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.