Santa Elena, TX Radon Levels
Check local Santa Elena radon levels and find certified testing and mitigation professionals to keep your home safe
Santa Elena, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Starr County, TX
Zip Code
78591
Rural Starr County along the Rio Grande Valley, Santa Elena sits on alluvial soils and sedimentary formations typical of South Texas border regions. Though specific radon testing data for zip code 78591 remains limited, the area's clay-rich soils and generally flat terrain typically result in lower radon concentrations. Homeowners in this community should still consider testing, particularly those in newer homes with tighter construction or properties with enclosed foundation spaces.
Santa Elena, 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 Santa Elena?
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Radon FAQ for Santa Elena, TX
What EPA Radon Zone is Santa Elena in?
Santa Elena and the 78591 zip code are in Starr 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 Santa Elena?
Radon mitigation in Santa Elena 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 Santa Elena?
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 |