Tampico, IL Radon Levels

Q: What EPA Radon Zone is Tampico in?

Tampico is in Whiteside County, EPA Zone 1.

Q: How much does radon mitigation cost in Tampico?

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

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

Tampico, IL Radon Facts

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

County Whiteside County, IL

Zip Code 61283

Located in Whiteside County along the Mississippi River valley, Tampico sits within the Davenport Metro area where alluvial soils overlay Ordovician limestone bedrock. This small community features a mix of historic homes and rural residential properties, many with full or partial basements typical of northwestern Illinois. Testing data for this area remains limited, making individual radon testing essential for homeowners to understand their specific exposure levels.

5.33

pCi/L area average

Above EPA Action Level

Whiteside County average: 5.33 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Tampico 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+

Tampico, 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 Tampico, IL

No homeowner tests have been submitted for Tampico 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
Rock Falls	9.5 mi	6.00 pCi/L	2
Walnut	12.4 mi	5.00 pCi/L	1
Annawan	18.6 mi	10.00 pCi/L	1
Dixon	20.8 mi	14.00 pCi/L	2
Fulton	23.0 mi	4.00 pCi/L	1
Geneseo	23.2 mi	6.00 pCi/L	1
Amboy	23.4 mi	5.00 pCi/L	1
Princeton	27.6 mi	11.50 pCi/L	2

Whiteside County Radon Profile

The bedrock and soils beneath Whiteside 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 Whiteside County average 5.33 pCi/L across 3 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 Whiteside County.

Radon FAQ for Tampico, IL

What EPA Radon Zone is Tampico in?

Tampico and the 61283 zip code are in Whiteside 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 Tampico?

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

Radon mitigation in Tampico 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 Tampico?

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.