Lothian, MD Radon Levels

Q: What is the average radon level in Lothian, MD?

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Lothian in?

Lothian is in Anne Arundel County, EPA Zone 2.

Q: How much does radon mitigation cost in Lothian?

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

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

Lothian, MD Radon Facts

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

County Anne Arundel County, MD

Zip Code 20711

Avg. User Level 6.00 pCi/L

User Tests 1

Located in central Maryland's Anne Arundel County as part of the Baltimore Metro area, Lothian sits in the Coastal Plain region where sandy soils typically produce moderate radon levels. With testing data for zip code 20711 currently unavailable, homeowners in this suburban community should consider radon testing. The area's mix of newer suburban developments and older rural properties, many built on crawl spaces or slabs, present varying radon risk profiles.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Lothian, MD 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 Lothian, MD

What is the average radon level in Lothian, MD?

Based on 1 user-submitted test, the average radon level in Lothian 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 Lothian in?

Lothian and the 20711 zip code are in Anne Arundel 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 Lothian?

Radon mitigation in Lothian 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 Lothian?

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.

City	Avg User Radon Level	Submissions
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