Iliff, CO Radon Levels

Q: What EPA Radon Zone is Iliff in?

Iliff is in Logan County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Iliff yet, so readings from the closest cities and the Logan 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 Iliff?

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

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

Iliff, CO Radon Facts

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

County Logan County, CO

Zip Code 80736

Positioned in northeastern Colorado's Logan County, Iliff sits on High Plains geology with sedimentary bedrock formations that can produce significant radon levels. Testing data for the 80736 zip code area remains limited, though Colorado's widespread radon issues extend throughout the eastern plains. Professional radon testing is essential for homeowners given the state's consistently high radon potential across diverse geological regions.

7.50

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.50 pCi/L, based on 2 tests from 2 nearby cities. No readings have been submitted for Iliff yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Iliff, CO 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 Iliff, CO

No homeowner tests have been submitted for Iliff 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
Brush	44.9 mi	5.00 pCi/L	1
Yuma	48.7 mi	10.00 pCi/L	1

Logan County Radon Profile

The bedrock and soils beneath Logan County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Logan County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Logan County.

Radon FAQ for Iliff, CO

What EPA Radon Zone is Iliff in?

Iliff and the 80736 zip code are in Logan 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 Iliff?

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

Radon mitigation in Iliff 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 Iliff?

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.