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Welcome, MD Radon Levels

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


Welcome, MD Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Charles County, MD
Zip Code 20693
Avg. User Level 6.00 pCi/L
User Tests 1

Southern Maryland community Welcome in Charles County sits within the greater Washington metropolitan area, where Coastal Plain geology typically produces moderate radon levels. Local testing shows an average concentration of 6.0 pCi/L, which exceeds the EPA action level and indicates the need for radon mitigation in affected homes. The area's mix of newer suburban development and older housing stock in zip code 20693 requires attention to radon testing and remediation, especially in homes with basements or ground-contact foundations.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Welcome, MD Radon Mitigation

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

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Welcome, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Welcome, MD 21-50 Years Full Basement

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

Radon FAQ for Welcome, MD

What is the average radon level in Welcome, MD?
Based on 1 user-submitted test, the average radon level in Welcome is 6.00 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 Welcome in?
Welcome and the 20693 zip code are in Charles 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 Welcome?
Radon mitigation in Welcome 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 Welcome?
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