Austin, CO Radon Levels

Q: What EPA Radon Zone is Austin in?

Austin is in Delta County, EPA Zone 1.

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

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

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

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

Austin, CO Radon Facts

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

County Delta County, CO

Zip Code 81410

High in Colorado's Western Slope region, Austin in Delta County sits amid diverse geological formations where radon potential varies significantly by location. Testing data for the 81410 area is currently unavailable, making professional radon testing essential for homeowners in this rural mountain community. The region's combination of sedimentary rocks and high altitude creates unique conditions where radon levels can fluctuate dramatically between neighboring properties.

6.20

pCi/L area average

Above EPA Action Level

Delta County average: 6.20 pCi/L, based on 5 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Austin 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+

Austin, 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 Austin, CO

No homeowner tests have been submitted for Austin 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
Delta	6.4 mi	7.00 pCi/L	3
Cedaredge	8.3 mi	4.00 pCi/L	1
Olathe	13.8 mi	5.00 pCi/L	2
Crawford	20.6 mi	8.00 pCi/L	1
Paonia	20.7 mi	6.00 pCi/L	1
Montrose	26.7 mi	9.25 pCi/L	8
Grand Junction	35.7 mi	7.86 pCi/L	7

Delta County Radon Profile

Because of its underlying geology, Delta 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 Delta County average 6.20 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 Delta County home regardless of zone or a neighbor's results.

Radon FAQ for Austin, CO

What EPA Radon Zone is Austin in?

Austin and the 81410 zip code are in Delta 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 Austin?

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

Radon mitigation in Austin 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 Austin?

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.