Brimfield, IL Radon Levels

Q: What EPA Radon Zone is Brimfield in?

Brimfield is in Peoria County, EPA Zone 1.

Q: How much does radon mitigation cost in Brimfield?

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

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

Brimfield, IL Radon Facts

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

County Peoria County, IL

Zip Code 61517

Located in Peoria County within the Peoria Metro area, Brimfield sits in zip code 61517 along Illinois's Illinois River valley where glacial till and underlying limestone create high radon potential. The community's EPA Zone 1 designation reflects the geological conditions common throughout central Illinois prairie regions. While specific testing data for Brimfield remains limited, the area's geology strongly suggests that local homeowners should prioritize comprehensive radon testing.

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 Brimfield 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+

Brimfield, 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 Brimfield, IL

No homeowner tests have been submitted for Brimfield 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	13.5 mi	7.00 pCi/L	1
Peoria	17.1 mi	5.00 pCi/L	1
Mapleton	18.4 mi	8.00 pCi/L	1
Knoxville	20.9 mi	8.00 pCi/L	1
East Peoria	21.5 mi	8.00 pCi/L	3
Metamora	24.7 mi	7.50 pCi/L	2
Kewanee	27.7 mi	8.00 pCi/L	1
Cuba	27.9 mi	6.00 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 Brimfield, IL

What EPA Radon Zone is Brimfield in?

Brimfield and the 61517 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 Brimfield?

No homeowner radon tests have been submitted for Brimfield 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 Brimfield 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 Brimfield?

Radon mitigation in Brimfield 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 Brimfield?

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.