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La Plata, MD Radon Levels

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


La Plata, MD Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Charles County, MD
Zip Code 20646
Avg. User Level 13.00 pCi/L
User Tests 1

This Charles County community in the Washington Metro has recorded an average radon level of 13.0 pCi/L, significantly exceeding the EPA action threshold. Located in zip code 20646, La Plata sits on Coastal Plain sediments that can trap radon in unexpected concentrations. Residents should prioritize immediate mitigation evaluation given these elevated readings.

13.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

La Plata, MD Radon Mitigation

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

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La Plata, MD Radon Levels

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

Radon LevelCityHome AgeFoundation
13 pCi/L La Plata, MD 0-20 Years Full Basement

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

Radon FAQ for La Plata, MD

What is the average radon level in La Plata, MD?
Based on 1 user-submitted test, the average radon level in La Plata is 13.00 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 La Plata in?
La Plata and the 20646 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 La Plata?
Radon mitigation in La Plata 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 La Plata?
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