Philo, IL Radon Levels

Q: What EPA Radon Zone is Philo in?

Philo is in Champaign County, EPA Zone 1.

Q: Why are radon readings shown from areas near Philo?

No homeowner radon tests have been submitted for Philo yet, so readings from the closest cities and the Champaign County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Philo?

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

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

Philo, IL Radon Facts

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

County Champaign County, IL

Zip Code 61864

This rural Champaign County community sits within central Illinois's characteristic glacial moraine deposits over limestone bedrock. Though testing data for Philo's 61864 zip code area remains limited, the region's geological conditions typically support moderate to elevated radon potential. Residents should consider testing their homes, particularly those with full basements common to this area's traditional housing stock.

10.00

pCi/L area average

Above EPA Action Level

Champaign County average: 10.00 pCi/L, based on 7 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Philo 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+

Philo, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Philo?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Champaign County Pros

1-800-299-3578 217-717-8001 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Philo, IL

No homeowner tests have been submitted for Philo 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
Urbana	6.2 mi	15.00 pCi/L	1
Champaign	9.6 mi	6.67 pCi/L	3
Homer	10.6 mi	20.00 pCi/L	1
Tuscola	15.6 mi	17.00 pCi/L	1
Mahomet	18.1 mi	5.00 pCi/L	1
Gifford	21.6 mi	10.00 pCi/L	1
Monticello	21.7 mi	4.50 pCi/L	2
Danville	28.8 mi	5.33 pCi/L	3

Champaign County Radon Profile

Because of its underlying geology, Champaign 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 5 cities in Champaign County average 10.00 pCi/L across 7 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 Champaign County home regardless of zone or a neighbor's results.

Radon FAQ for Philo, IL

What EPA Radon Zone is Philo in?

Philo and the 61864 zip code are in Champaign 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 Philo?

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

Radon mitigation in Philo 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 Philo?

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.