Forreston, IL Radon Levels

Q: What EPA Radon Zone is Forreston in?

Forreston is in Ogle County, EPA Zone 1.

Q: How much does radon mitigation cost in Forreston?

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

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

Forreston, IL Radon Facts

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

County Ogle County, IL

Zip Code 61030

Nestled in Ogle County in northern Illinois, Forreston benefits from its rural setting but sits atop glacial till deposits that can produce elevated radon levels. The area's housing mix includes historic farmstead properties and newer rural homes, many with full or partial basements typical of northern Illinois construction. Testing data for the 61030 area remains limited, making individual radon testing important for residents despite the community's small size.

9.00

pCi/L area average

Above EPA Action Level

Ogle County average: 9.00 pCi/L, based on 5 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Forreston 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+

Forreston, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Forreston?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Ogle County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Forreston, IL

No homeowner tests have been submitted for Forreston 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
Mount Morris	9.2 mi	4.00 pCi/L	1
Freeport	12.5 mi	3.67 pCi/L	3
Lanark	12.5 mi	12.00 pCi/L	3
Byron	16.3 mi	11.50 pCi/L	2
Pecatonica	17.4 mi	11.00 pCi/L	1
Dixon	19.6 mi	14.00 pCi/L	2
Stillman Valley	20.2 mi	5.00 pCi/L	1
Davis	23.8 mi	8.00 pCi/L	1

Ogle County Radon Profile

Because of its underlying geology, Ogle 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 Ogle County average 9.00 pCi/L across 5 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 Ogle County home regardless of zone or a neighbor's results.

Radon FAQ for Forreston, IL

What EPA Radon Zone is Forreston in?

Forreston and the 61030 zip code are in Ogle 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 Forreston?

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

Radon mitigation in Forreston 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 Forreston?

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.