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Smyrna, DE Radon Levels

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


Smyrna, DE Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Kent County, DE
Zip Code 19977
Avg. User Level 5.00 pCi/L
User Tests 1

Located in Kent County within the Dover Metro area, Smyrna recorded an average radon level of 5.0 pCi/L from limited testing, exceeding the EPA action threshold and requiring prompt mitigation attention. The community sits on Delaware's coastal plain sediments over limestone bedrock, creating geological conditions that can produce elevated radon readings. Residents in zip code 19977 should prioritize radon testing, particularly in homes with basement or crawl space foundations where radon accumulation is most likely.

5.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Smyrna, DE Radon Mitigation

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

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Smyrna, DE Radon Levels

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

Radon LevelCityHome AgeFoundation
5 pCi/L Smyrna, DE 0-20 Years Full Basement

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

Radon FAQ for Smyrna, DE

What is the average radon level in Smyrna, DE?
Based on 1 user-submitted test, the average radon level in Smyrna is 5.00 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 Smyrna in?
Smyrna and the 19977 zip code are in Kent County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Smyrna?
Radon mitigation in Smyrna 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 Smyrna?
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 Delaware

Cities in Delaware with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Middletown 7.43 pCi/L 7
Wilmington 5.50 pCi/L 4
Lewes 6.00 pCi/L 1
New Castle 4.00 pCi/L 1
Newark No submissions 0