El Dorado, AR Radon Mitigation and Testing

Q: What EPA Radon Zone is El Dorado in?

El Dorado is in Union County, EPA Zone 3.

Q: How much does radon mitigation cost in El Dorado?

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

Union County

EPA Zone 3

Located in south-central Arkansas's Union County, El Dorado sits atop Coastal Plain sediments that typically produce moderate radon levels throughout the region. The city's diverse housing includes historic downtown structures and suburban developments, with many homes featuring pier-and-beam or slab foundations common to the South. Without specific testing data available for the area, local homeowners should conduct radon measurements to assess their individual risk.

El Dorado, AR Radon Mitigation

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

El Dorado, AR Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

El Dorado Radon Facts

Key details about the radon risk profile for El Dorado and the 71730 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Union County, AR

Zip Code

71730

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

El Dorado and the 71730 zip code are located in Union County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for El Dorado, AR

What EPA Radon Zone is El Dorado in?

El Dorado and the 71730 zip code are in Union County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in El Dorado?

Radon mitigation in El Dorado 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 El Dorado?

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.

Most Active Radon Markets in Arkansas

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Hot Springs Village	11.60 pCi/L	5
Bentonville	4.00 pCi/L	4
Bella Vista	13.67 pCi/L	3
Little Rock	7.00 pCi/L	1