Graham, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Graham in?

Graham is in Carter County, EPA Zone 3.

Q: How much does radon mitigation cost in Graham?

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

Carter County

EPA Zone 3

Situated in Carter County within EPA Zone 3, Graham sits where Ordovician limestone and dolomite formations typically create lower radon levels across south-central Oklahoma. Testing data for zip code 73437 is currently unavailable, though the geological setting suggests minimal radon risk compared to areas with uranium-bearing formations. Nevertheless, individual home testing remains the most reliable method to determine actual radon concentrations in any specific residence.

Graham, OK Radon Mitigation

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

Graham, OK Radon Testing

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

Graham Radon Facts

Key details about the radon risk profile for Graham and the 73437 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Carter County, OK

Zip Code

73437

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Graham and the 73437 zip code are located in Carter 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 Graham, OK

What EPA Radon Zone is Graham in?

Graham and the 73437 zip code are in Carter 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 Graham?

Radon mitigation in Graham 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 Graham?

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 Oklahoma

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

City	Avg User Radon Level	Submissions
Tulsa	8.14 pCi/L	7
Oklahoma City	7.00 pCi/L	1
Edmond	5.00 pCi/L	1