Harrison, TN Radon Levels

Q: What EPA Radon Zone is Harrison in?

Harrison is in Hamilton County, EPA Zone 2.

Q: How much does radon mitigation cost in Harrison?

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

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

Harrison, TN Radon Facts

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

County Hamilton County, TN

Zip Code 37341

Located in southeastern Tennessee's Hamilton County within the Chattanooga metro area, this community currently has limited radon testing data available for homeowners. Regional geology featuring limestone formations can create variable radon conditions across different neighborhoods in zip code 37341. Professional radon testing is recommended for all residential properties to identify potential elevation risks and protect family health.

5.67

pCi/L area average

Above EPA Action Level

Hamilton County average: 5.67 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Harrison itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Harrison, TN Radon Mitigation

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

Need Radon Mitigation or Testing in Harrison?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Hamilton County Pros

1-800-299-3578 423-243-3456 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Harrison, TN

No homeowner tests have been submitted for Harrison yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Cleveland	13.5 mi	5.33 pCi/L	3
Chattanooga	13.6 mi	5.00 pCi/L	2
Signal Mountain	13.7 mi	7.00 pCi/L	1
Dunlap	22.5 mi	14.00 pCi/L	1
Athens	34.1 mi	15.00 pCi/L	1

Hamilton County Radon Profile

The soils and bedrock of Hamilton County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 2 cities in Hamilton County average 5.67 pCi/L across 3 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Hamilton County to test, as levels can differ between neighboring homes.

Radon FAQ for Harrison, TN

What EPA Radon Zone is Harrison in?

Harrison and the 37341 zip code are in Hamilton 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.

Why are radon readings shown from areas near Harrison?

No homeowner radon tests have been submitted for Harrison yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Hamilton County average—are the best available indicator of local conditions until Harrison homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Harrison?

Radon mitigation in Harrison 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 Harrison?

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.