Pleasant Hill, IL Radon Levels

Q: What EPA Radon Zone is Pleasant Hill in?

Pleasant Hill is in Pike County, EPA Zone 1.

Q: How much does radon mitigation cost in Pleasant Hill?

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

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

Pleasant Hill, IL Radon Facts

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

County Pike County, IL

Zip Code 62366

This rural community in Pike County sits in western Illinois, where Mississippi River valley geology and underlying limestone formations create conditions typical of the state's EPA Zone 1 radon potential. Current radon testing data for Pleasant Hill (62366) is limited, emphasizing the need for individual home testing in this high-potential region. The area's mix of older farmhouses and newer construction, many with basements, makes radon awareness particularly important for residents.

4.50

pCi/L area average

Above EPA Action Level

Pike County average: 4.50 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Pleasant Hill 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+

Pleasant Hill, 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 Pleasant Hill, IL

No homeowner tests have been submitted for Pleasant Hill 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
Pittsfield	11.3 mi	5.00 pCi/L	1
Griggsville	19.8 mi	4.00 pCi/L	1
White Hall	25.4 mi	6.00 pCi/L	1
Jerseyville	36.7 mi	3.50 pCi/L	2
Grafton	38.9 mi	14.00 pCi/L	1
Jacksonville	39.8 mi	9.00 pCi/L	2
Quincy	42.3 mi	7.50 pCi/L	2
Godfrey	49.9 mi	6.00 pCi/L	1

Pike County Radon Profile

The bedrock and soils beneath Pike County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 2 cities in Pike County average 4.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. 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 Pike County.

Radon FAQ for Pleasant Hill, IL

What EPA Radon Zone is Pleasant Hill in?

Pleasant Hill and the 62366 zip code are in Pike 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 Pleasant Hill?

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

Radon mitigation in Pleasant Hill 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 Pleasant Hill?

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.