Fargo, OK Radon Levels

Q: What EPA Radon Zone is Fargo in?

Fargo is in Ellis County, EPA Zone 2.

Q: How much does radon mitigation cost in Fargo?

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

Check local Fargo radon levels and find certified testing and mitigation professionals to keep your home safe

Fargo, OK Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Ellis County, OK

Zip Code 73840

Positioned in western Oklahoma's Ellis County, this rural Fargo community sits atop the Great Plains' sedimentary bedrock formations that typically generate moderate radon levels across the region. The area's scattered residential properties include older farmsteads with partial basements, manufactured homes on pier foundations, and newer rural construction with varying foundation types. With testing data for ZIP 73840 currently unavailable but carrying an EPA Zone 2 designation, homeowners should consider radon testing, especially for properties with basements or enclosed crawl spaces.

Fargo, OK Radon Mitigation

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

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Radon FAQ for Fargo, OK

What EPA Radon Zone is Fargo in?

Fargo and the 73840 zip code are in Ellis County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Fargo?

Radon mitigation in Fargo 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 Fargo?

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 in Oklahoma with the most user-submitted radon test data, ranked by number of submissions.

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