Hagerstown, MD Radon Mitigation and Testing
Positioned in Washington County within Maryland's Cumberland Valley, Hagerstown shows an average radon level of 8.67 pCi/L based on available testing data, which exceeds the EPA action level of 4.0 pCi/L. The area's limestone bedrock and glacial deposits, combined with the region's many homes featuring full basements, contribute to conditions where radon can accumulate to concerning levels requiring mitigation.
Based on 6 user-submitted radon tests for homes in Hagerstown, MD. The EPA recommends taking action at or above 4.0 pCi/L.
Hagerstown, MD Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Hagerstown, MD Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Hagerstown, Maryland Radon Levels
User-submitted radon test readings from homes in the Hagerstown area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 4 pCi/L | Hagerstown, MD | 51-99 Years | — | Jun 2024 |
| 8 pCi/L | Hagerstown, MD | 51-99 Years | Full Basement | Dec 2023 |
| 12 pCi/L | Hagerstown, MD | 51-99 Years | Partial Basement | Apr 2022 |
| 20 pCi/L | Hagerstown, MD | 21-50 Years | Full Basement | Apr 2018 |
| 4 pCi/L | Hagerstown, MD | 21-50 Years | Partial Basement | Jul 2016 |
Have a radon test result for Hagerstown? Submit your reading to help other homeowners.
Hagerstown Radon Facts
Key details about the radon risk profile for Hagerstown and the 21740 zip code area.
Hagerstown and the 21740 zip code are located in Washington County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Hagerstown, MD
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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 |