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Havre De Grace, MD Radon Levels

Check local Havre De Grace radon levels and find certified testing and mitigation professionals to keep your home safe


Havre De Grace, MD Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Harford County, MD
Zip Code 21078
Avg. User Level 14.70 pCi/L
User Tests 3

Situated at the head of Chesapeake Bay in Harford County, Havre de Grace occupies a unique position where Piedmont geology meets Coastal Plain sediments, creating conditions that can significantly elevate radon levels. Recent testing data shows an average radon concentration of 14.67 pCi/L, substantially exceeding the EPA action level and ranking among the higher readings in the Baltimore metro area. Homeowners in zip code 21078 should prioritize professional radon testing and mitigation, particularly given the area's documented potential for elevated indoor radon levels.

14.70
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Havre De Grace, MD Radon Mitigation

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Havre De Grace, MD Radon Levels

User-submitted radon test readings from homes in the Havre De Grace area.

Radon LevelCityHome AgeFoundation
4 pCi/L Havre De Grace, MD 0-20 Years Full Basement
20 pCi/L Havre De Grace, MD 21-50 Years Full Basement

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Radon FAQ for Havre De Grace, MD

What is the average radon level in Havre De Grace, MD?
Based on 3 user-submitted tests, the average radon level in Havre De Grace is 14.70 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 Havre De Grace in?
Havre De Grace and the 21078 zip code are in Harford County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Havre De Grace?
Radon mitigation in Havre De Grace 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 Havre De Grace?
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