Lothian, MD Radon Mitigation and Testing

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.

Avg: 6.00 pCi/L

Anne Arundel County

EPA Zone 2

1 user test

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.

Lothian, MD Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Lothian Radon Facts

Key details about the radon risk profile for Lothian and the 20711 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Anne Arundel County, MD

Zip Code

20711

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Lothian and the 20711 zip code are located in Anne Arundel County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

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
Clarksburg	8.00 pCi/L	3
Gambrills	6.00 pCi/L	3
Elkton	5.33 pCi/L	3
Silver Spring	4.33 pCi/L	3
Chesapeake Beach	14.00 pCi/L	2
Cumberland	9.00 pCi/L	2
Frostburg	9.00 pCi/L	2
Owings	5.50 pCi/L	2
Huntingtown	4.50 pCi/L	2
Mc Henry	20.00 pCi/L	1
Mount Airy	20.00 pCi/L	1