Waterman, IL Radon Levels

Q: What EPA Radon Zone is Waterman in?

Waterman is in Dekalb County, EPA Zone 1.

Q: How much does radon mitigation cost in Waterman?

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

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

Waterman, IL Radon Facts

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

County Dekalb County, IL

Zip Code 60556

Located in DeKalb County northwest of Chicago, Waterman sits on glacial till deposits that create favorable conditions for radon gas production and migration. While specific testing data for zip code 60556 remains limited, the area's dense clay soils over limestone bedrock and typical full-basement construction warrant radon testing for all residential properties.

10.63

pCi/L area average

Above EPA Action Level

Dekalb County average: 10.63 pCi/L, based on 8 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Waterman 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+

Waterman, 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 Waterman, IL

No homeowner tests have been submitted for Waterman 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
Dekalb	10.4 mi	8.75 pCi/L	4
Cortland	12.5 mi	5.00 pCi/L	1
Earlville	13.3 mi	11.00 pCi/L	1
Plano	13.5 mi	10.00 pCi/L	1
Sycamore	17.2 mi	16.00 pCi/L	2
Sugar Grove	17.4 mi	7.00 pCi/L	1
Yorkville	18.8 mi	6.00 pCi/L	2
Rochelle	19.6 mi	13.00 pCi/L	1

Dekalb County Radon Profile

Because of its underlying geology, Dekalb 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 4 cities in Dekalb County average 10.63 pCi/L across 8 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 Dekalb County home regardless of zone or a neighbor's results.

Radon FAQ for Waterman, IL

What EPA Radon Zone is Waterman in?

Waterman and the 60556 zip code are in Dekalb 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 Waterman?

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

Radon mitigation in Waterman 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 Waterman?

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.