Ladd, IL Radon Levels

Q: What EPA Radon Zone is Ladd in?

Ladd is in Bureau County, EPA Zone 1.

Q: Why are radon readings shown from areas near Ladd?

No homeowner radon tests have been submitted for Ladd yet, so readings from the closest cities and the Bureau County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Ladd?

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

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

Ladd, IL Radon Facts

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

County Bureau County, IL

Zip Code 61329

Situated in Bureau County within Illinois River valley terrain, Ladd experiences the variable radon conditions typical of alluvial soils over limestone bedrock. Testing data remains sparse for this community, emphasizing the importance of individual home assessments. The area's traditional housing stock, often featuring full basements, provides the enclosed below-grade spaces where radon typically accumulates.

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 Ladd 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+

Ladd, 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 Ladd, IL

No homeowner tests have been submitted for Ladd 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
Spring Valley	3.8 mi	2.00 pCi/L	1
Peru	5.9 mi	6.50 pCi/L	2
Princeton	10.9 mi	11.50 pCi/L	2
Earlville	21.3 mi	11.00 pCi/L	1
Walnut	22.9 mi	5.00 pCi/L	1
Amboy	23.2 mi	5.00 pCi/L	1
Varna	24.2 mi	20.00 pCi/L	1
Streator	27.0 mi	7.00 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 Ladd, IL

What EPA Radon Zone is Ladd in?

Ladd and the 61329 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 Ladd?

No homeowner radon tests have been submitted for Ladd 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 Ladd 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 Ladd?

Radon mitigation in Ladd 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 Ladd?

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.