Weslaco, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Weslaco in?

Weslaco is in Hidalgo County, EPA Zone 3.

Q: How much does radon mitigation cost in Weslaco?

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

Hidalgo County

EPA Zone 3

Border city Weslaco sits in Hidalgo County within the Rio Grande Valley, where alluvial deposits and clay soils typically result in lower radon concentrations. Testing data for zip code 78596 remains limited, but south Texas' geology and climate generally produce minimal radon risk. Homeowners should still consider periodic testing, especially in newer construction with enhanced air-sealing features.

Weslaco, TX Radon Mitigation

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

Weslaco, TX Radon Testing

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

Weslaco Radon Facts

Key details about the radon risk profile for Weslaco and the 78596 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Hidalgo County, TX

Zip Code

78596

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Weslaco and the 78596 zip code are located in Hidalgo 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 Weslaco, TX

What EPA Radon Zone is Weslaco in?

Weslaco and the 78596 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 Weslaco?

Radon mitigation in Weslaco 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 Weslaco?

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

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
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