Swanton, MD Radon Mitigation and Testing

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

Based on 3 user-submitted tests, the average radon level is 11.00 pCi/L.

Q: What EPA Radon Zone is Swanton in?

Swanton is in Garrett County, EPA Zone 2.

Q: How much does radon mitigation cost in Swanton?

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

Avg: 11.00 pCi/L

Garrett County

EPA Zone 2

3 user tests

Swanton is located in Garrett County, Maryland. With 3 user-submitted readings averaging 11.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 21561 zip code.

11.00

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Swanton, MD. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Swanton, MD Radon Mitigation

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

Swanton, MD Radon Testing

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

Swanton, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Swanton, MD	0-20 Years	Full Basement	Apr 2025
9 pCi/L	Swanton, MD	0-20 Years	No Basement/All Slab	Oct 2024
4 pCi/L	Swanton, MD	21-50 Years	—	Aug 2024

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

Swanton Radon Facts

Key details about the radon risk profile for Swanton and the 21561 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Garrett County, MD

Zip Code

21561

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

11.00 pCi/L

User Tests Submitted

Swanton and the 21561 zip code are located in Garrett 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 Swanton, MD

What is the average radon level in Swanton, MD?

Based on 3 user-submitted tests, the average radon level in Swanton is 11.00 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 Swanton in?

Swanton and the 21561 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 Swanton?

Radon mitigation in Swanton 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 Swanton?

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