Dahinda, IL Radon Levels

Q: What EPA Radon Zone is Dahinda in?

Dahinda is in Knox County, EPA Zone 1.

Q: How much does radon mitigation cost in Dahinda?

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

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

Dahinda, IL Radon Facts

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

County Knox County, IL

Zip Code 61428

This rural Knox County community in western Illinois sits on glacial deposits over limestone bedrock, creating conditions favorable for radon production and migration. Testing data for ZIP code 61428 is currently limited, making individual home assessment particularly valuable for residents. The area's older farmstead properties and typical basement construction can facilitate radon accumulation in below-grade spaces.

8.00

pCi/L area average

Above EPA Action Level

Knox County average: 8.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Dahinda 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+

Dahinda, 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 Dahinda, IL

No homeowner tests have been submitted for Dahinda 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
Knoxville	8.3 mi	8.00 pCi/L	1
Kewanee	22.6 mi	8.00 pCi/L	1
New Windsor	23.7 mi	6.00 pCi/L	1
Monmouth	26.5 mi	8.00 pCi/L	1
Dunlap	27.2 mi	7.00 pCi/L	1
Orion	31.0 mi	4.00 pCi/L	1
Cuba	31.6 mi	6.00 pCi/L	1
Peoria	32.0 mi	5.00 pCi/L	1

Knox County Radon Profile

The bedrock and soils beneath Knox 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 1 city in Knox County average 8.00 pCi/L across 1 test — 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 Knox County.

Radon FAQ for Dahinda, IL

What EPA Radon Zone is Dahinda in?

Dahinda and the 61428 zip code are in Knox 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 Dahinda?

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

Radon mitigation in Dahinda 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 Dahinda?

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.