Donovan, IL Radon Levels

Q: What EPA Radon Zone is Donovan in?

Donovan is in Iroquois County, EPA Zone 1.

Q: How much does radon mitigation cost in Donovan?

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

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

Donovan, IL Radon Facts

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

County Iroquois County, IL

Zip Code 60931

Small Iroquois County sits in east-central Illinois where deep glacial moraine deposits over limestone bedrock contribute to EPA Zone 1 conditions with high radon potential. Testing data for zip code 60931 is currently limited, making professional radon testing essential for local homeowners to establish accurate readings. Rural communities in this glacial region often see considerable variation in radon levels between individual properties.

19.00

pCi/L area average

Above EPA Action Level

Iroquois County average: 19.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Donovan 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+

Donovan, 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 Donovan, IL

No homeowner tests have been submitted for Donovan 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
Ashkum	17.6 mi	19.00 pCi/L	1
Bradley	22.2 mi	5.00 pCi/L	1
Bourbonnais	23.9 mi	4.00 pCi/L	1
Manteno	28.0 mi	11.67 pCi/L	3
Crete	38.0 mi	15.00 pCi/L	1
Paxton	39.6 mi	4.00 pCi/L	1
Richton Park	41.4 mi	3.00 pCi/L	2
Manhattan	42.0 mi	8.00 pCi/L	1

Iroquois County Radon Profile

Iroquois County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Iroquois County average 19.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Iroquois County to test, as levels can differ between neighboring homes.

Radon FAQ for Donovan, IL

What EPA Radon Zone is Donovan in?

Donovan and the 60931 zip code are in Iroquois 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 Donovan?

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

Radon mitigation in Donovan 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 Donovan?

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.