San Juan, TX Radon Levels
Check local San Juan radon levels and find certified testing and mitigation professionals to keep your home safe
San Juan, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Hidalgo County, TX
Zip Code
78589
Situated in Hidalgo County along the Rio Grande Valley near the Mexican border, San Juan is built primarily on alluvial deposits and clay soils. Radon testing data for zip code 78589 remains limited, making it challenging to determine community-wide exposure levels. Despite the generally lower radon potential in South Texas, homeowners should still consider testing, particularly in homes with slab-on-grade foundations where radon can accumulate.
San Juan, TX 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 San Juan?
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1-800-299-3578
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Radon FAQ for San Juan, TX
What EPA Radon Zone is San Juan in?
San Juan and the 78589 zip code are in Hidalgo 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 San Juan?
Radon mitigation in San Juan 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 San Juan?
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 Texas
Cities in Texas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Lubbock | 12.70 pCi/L | 10 |
| San Antonio | 6.57 pCi/L | 7 |
| Austin | 6.14 pCi/L | 7 |
| Dallas | 8.00 pCi/L | 5 |
| Abilene | 4.50 pCi/L | 2 |
| Houston | 3.50 pCi/L | 2 |
| Plano | 6.00 pCi/L | 1 |
| Frisco | 3.00 pCi/L | 1 |
| Nacogdoches | No submissions | 0 |