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Mexico, MO Radon Levels

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


Mexico, MO Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Audrain County, MO
Zip Code 65265
Avg. User Level 4.00 pCi/L
User Tests 1

Positioned in Audrain County within central Missouri's prairie region, Mexico recorded a radon level of 4.0 pCi/L that meets the EPA action threshold, indicating potential concern for local residents. The community sits atop glacial deposits over Pennsylvanian limestone where radon can migrate through soil into basement spaces. Homeowners in zip code 65265 should pursue testing, especially those in the area's mix of historic homes and modern construction with full basements.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Mexico, MO. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Mexico, MO Radon Mitigation

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

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Mexico, MO Radon Levels

User-submitted radon test readings from homes in the Mexico area.

Radon LevelCityHome AgeFoundation
4 pCi/L Mexico, MO 21-50 Years Full Basement

Have a radon test result for Mexico? Submit your reading to help other homeowners.

Radon Readings Near Mexico, MO

Compare radon levels in Mexico with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Hallsville 18.5 mi 5.00 pCi/L 2
Columbia 25.8 mi 3.00 pCi/L 2
Holts Summit 39.1 mi 4.00 pCi/L 1
Jefferson City 45.3 mi 6.00 pCi/L 1
Hannibal 45.8 mi 6.00 pCi/L 2
Palmyra 46.8 mi 8.00 pCi/L 1
Boonville 48.3 mi 4.00 pCi/L 1

Audrain County Radon Profile

Audrain County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 1 city in Audrain County average 4.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Audrain County.

Radon FAQ for Mexico, MO

What is the average radon level in Mexico, MO?
Based on 1 user-submitted test, the average radon level in Mexico is 4.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Mexico in?
Mexico and the 65265 zip code are in Audrain 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 Mexico?
Radon mitigation in Mexico 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 Mexico?
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.