Quapaw, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Quapaw in?

Quapaw is in Ottawa County, EPA Zone 3.

Q: How much does radon mitigation cost in Quapaw?

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

Ottawa County

EPA Zone 3

Situated in northeastern Oklahoma's Ottawa County, Quapaw lies within the Tri-State mining district where historical lead and zinc operations have influenced local geology. With limited radon testing data available for zip code 74363, residents should consider independent testing given the area's complex geological history. The community's mix of older mining-era homes and newer construction presents varying foundation types that warrant individual radon assessment.

Quapaw, OK Radon Mitigation

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

Quapaw, OK Radon Testing

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

Quapaw Radon Facts

Key details about the radon risk profile for Quapaw and the 74363 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Ottawa County, OK

Zip Code

74363

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Quapaw and the 74363 zip code are located in Ottawa 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 Quapaw, OK

What EPA Radon Zone is Quapaw in?

Quapaw and the 74363 zip code are in Ottawa 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 Quapaw?

Radon mitigation in Quapaw 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 Quapaw?

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