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Mc Henry, MD Radon Levels

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


Mc Henry, MD Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Garrett County, MD
Zip Code 21541
Avg. User Level 20.00 pCi/L
User Tests 1

High in the Appalachian Mountains of Garrett County, Mc Henry shows an average radon level of 20.0 pCi/L, dramatically exceeding the EPA action level and ranking among Maryland's highest readings. The 21541 area's combination of Pennsylvanian sandstone, mountain topography, and typically basement-equipped homes creates ideal conditions for significant radon accumulation requiring immediate mitigation attention.

20.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Mc Henry, MD Radon Mitigation

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

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Mc Henry, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L Mc Henry, MD 0-20 Years Full Basement

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

Radon FAQ for Mc Henry, MD

What is the average radon level in Mc Henry, MD?
Based on 1 user-submitted test, the average radon level in Mc Henry is 20.00 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 Mc Henry in?
Mc Henry and the 21541 zip code are in Garrett 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 Mc Henry?
Radon mitigation in Mc Henry 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 Mc Henry?
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 Maryland

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

CityAvg User Radon LevelSubmissions
Frederick 8.29 pCi/L 7
Potomac 9.00 pCi/L 6
Hagerstown 8.67 pCi/L 6
Westminster 14.50 pCi/L 4
Baltimore 7.00 pCi/L 4
Annapolis 4.25 pCi/L 4
Upper Marlboro 15.00 pCi/L 3
Edgewater 12.67 pCi/L 3
Bowie 9.00 pCi/L 3
Frostburg 8.67 pCi/L 3