Memphis, IN Radon Levels
Check local Memphis radon levels and find certified testing and mitigation professionals to keep your home safe
Memphis, IN Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Clark County, IN
Zip Code
47143
Situated in Clark County within the Louisville Metro area along the Ohio River, Memphis sits in EPA Zone 1, indicating high radon potential due to underlying limestone bedrock. Testing data for zip code 47143 is currently limited, making professional radon assessment essential given the area's geological conditions. Indiana's documented elevated radon levels throughout the Ohio River valley emphasize the importance of testing for all homeowners.
Memphis, IN Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Memphis, IN
What EPA Radon Zone is Memphis in?
Memphis and the 47143 zip code are in Clark 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 Memphis?
Radon mitigation in Memphis 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 Memphis?
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 Indiana
Cities in Indiana with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Bloomington | 8.14 pCi/L | 7 |
| Kokomo | 7.40 pCi/L | 5 |
| Lafayette | 15.00 pCi/L | 3 |
| Valparaiso | 10.00 pCi/L | 3 |
| Westfield | 6.33 pCi/L | 3 |
| Avon | 6.00 pCi/L | 3 |
| West Lafayette | 10.50 pCi/L | 2 |
| Dyer | 9.50 pCi/L | 2 |
| Columbus | 7.50 pCi/L | 2 |
| Noblesville | 7.00 pCi/L | 2 |