Tiskilwa, IL Radon Levels

Q: What EPA Radon Zone is Tiskilwa in?

Tiskilwa is in Bureau County, EPA Zone 1.

Q: How much does radon mitigation cost in Tiskilwa?

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

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

Tiskilwa, IL Radon Facts

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

County Bureau County, IL

Zip Code 61368

Situated in Bureau County along the Illinois River valley, Tiskilwa sits in zip code 61368 where alluvial soils over Ordovician limestone create variable radon conditions. Testing data for this small community is currently limited, though the region's geological characteristics can produce readings that differ significantly between neighboring properties. Individual home testing is recommended for all residents.

7.50

pCi/L area average

Above EPA Action Level

Bureau County average: 7.50 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Tiskilwa 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+

Tiskilwa, 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 Tiskilwa, IL

No homeowner tests have been submitted for Tiskilwa 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
Princeton	6.6 mi	11.50 pCi/L	2
Spring Valley	16.0 mi	2.00 pCi/L	1
Walnut	18.1 mi	5.00 pCi/L	1
Peru	20.0 mi	6.50 pCi/L	2
Kewanee	22.0 mi	8.00 pCi/L	1
Varna	22.3 mi	20.00 pCi/L	1
Annawan	22.3 mi	10.00 pCi/L	1
Amboy	29.9 mi	5.00 pCi/L	1

Bureau County Radon Profile

Because of its underlying geology, Bureau 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 Bureau County average 7.50 pCi/L across 4 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 Bureau County home regardless of zone or a neighbor's results.

Radon FAQ for Tiskilwa, IL

What EPA Radon Zone is Tiskilwa in?

Tiskilwa and the 61368 zip code are in Bureau 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 Tiskilwa?

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

Radon mitigation in Tiskilwa 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 Tiskilwa?

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.