Conowingo, MD Radon Levels

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

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

Q: What EPA Radon Zone is Conowingo in?

Conowingo is in Cecil County, EPA Zone 2.

Q: How much does radon mitigation cost in Conowingo?

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

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

Conowingo, MD Radon Facts

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

County Cecil County, MD

Zip Code 21918

Avg. User Level 6.00 pCi/L

User Tests 1

This Cecil County community along the Susquehanna River shows radon readings averaging 6.0 pCi/L, well above EPA action levels. Located in zip code 21918 within the Philadelphia Metro area, Conowingo sits on crystalline bedrock that contributes to elevated radon production. Homeowners should implement mitigation systems promptly to reduce indoor radon concentrations to safer levels.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Conowingo, MD Radon Mitigation

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Conowingo, MD Radon Levels

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

Radon Level	City	Home Age	Foundation
6 pCi/L	Conowingo, MD	21-50 Years	Full Basement

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Radon FAQ for Conowingo, MD

What is the average radon level in Conowingo, MD?

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

Conowingo and the 21918 zip code are in Cecil 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 Conowingo?

Radon mitigation in Conowingo 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 Conowingo?

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

Conowingo, MD Radon Levels

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

Conowingo, MD Radon Facts

Conowingo, MD Radon Mitigation

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Conowingo, MD Radon Levels

Radon FAQ for Conowingo, MD

Most Active Radon Markets in Maryland

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