Port Byron, IL Radon Levels

Q: What EPA Radon Zone is Port Byron in?

Port Byron is in Rock Island County, EPA Zone 1.

Q: How much does radon mitigation cost in Port Byron?

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

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

Port Byron, IL Radon Facts

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

County Rock Island County, IL

Zip Code 61275

Situated along the Mississippi River in Rock Island County, Port Byron lies within the Illinois River valley alluvial zone where limestone bedrock beneath river sediments creates variable radon conditions. Though specific testing data for zip code 61275 is limited, the community's location in EPA Zone 1 suggests homeowners should test their properties, particularly older homes with stone or block foundations common to this historic river town.

6.50

pCi/L area average

Above EPA Action Level

Rock Island County average: 6.50 pCi/L, based on 4 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Port Byron 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+

Port Byron, 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 Port Byron, IL

No homeowner tests have been submitted for Port Byron 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
Moline	11.7 mi	5.00 pCi/L	1
Geneseo	12.2 mi	6.00 pCi/L	1
Coal Valley	13.5 mi	12.00 pCi/L	1
Rock Island	14.5 mi	4.50 pCi/L	2
Orion	16.7 mi	4.00 pCi/L	1
Fulton	19.6 mi	4.00 pCi/L	1
Annawan	25.6 mi	10.00 pCi/L	1
New Windsor	28.7 mi	6.00 pCi/L	1

Rock Island County Radon Profile

Rock Island 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 3 cities in Rock Island County average 6.50 pCi/L across 4 tests — 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 Rock Island County to test, as levels can differ between neighboring homes.

Radon FAQ for Port Byron, IL

What EPA Radon Zone is Port Byron in?

Port Byron and the 61275 zip code are in Rock Island 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 Port Byron?

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

Radon mitigation in Port Byron 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 Port Byron?

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.