Otis, CO Radon Levels

Q: What EPA Radon Zone is Otis in?

Otis is in Washington County, EPA Zone 1.

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

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

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

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

Otis, CO Radon Facts

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

County Washington County, CO

Zip Code 80743

Positioned in Washington County on Colorado's eastern plains, Otis sits on sedimentary formations typical of the High Plains region. While radon testing data for zip code 80743 remains limited, the area's EPA Zone 1 classification suggests elevated radon potential. The combination of prairie soils over sedimentary bedrock, along with the region's agricultural character and mix of foundation types, makes individual property testing advisable for homeowners.

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 Otis 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+

Otis, 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 Otis, CO

No homeowner tests have been submitted for Otis 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
Yuma	13.2 mi	10.00 pCi/L	1
Brush	36.5 mi	5.00 pCi/L	1

Washington County Radon Profile

Because of its underlying geology, Washington County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for Washington County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Washington County home regardless of zone or a neighbor's results.

Radon FAQ for Otis, CO

What EPA Radon Zone is Otis in?

Otis and the 80743 zip code are in Washington 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 Otis?

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

Radon mitigation in Otis 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 Otis?

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.