Harrodsburg, KY Radon Mitigation and Testing

Q: What is the average radon level in Harrodsburg, KY?

Based on 2 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Harrodsburg in?

Harrodsburg is in Mercer County, EPA Zone 1.

Q: How much does radon mitigation cost in Harrodsburg?

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

Avg: 9.00 pCi/L

Mercer County

EPA Zone 1

2 user tests

Kentucky's first permanent settlement, located in Mercer County, shows radon levels averaging 9.0 pCi/L from recent testing data. The region's limestone bedrock, characteristic of the Inner Bluegrass region, contributes to elevated radon levels that exceed EPA action thresholds. Many of the area's historic homes and newer construction feature basements where radon can concentrate, making professional testing and mitigation essential.

9.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Harrodsburg, KY. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Harrodsburg, KY Radon Mitigation

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

Harrodsburg, KY Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Harrodsburg, Kentucky Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Harrodsburg, KY	0-20 Years	Full Basement	Jan 2025

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

Harrodsburg Radon Facts

Key details about the radon risk profile for Harrodsburg and the 40330 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Mercer County, KY

Zip Code

40330

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Harrodsburg and the 40330 zip code are located in Mercer 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 Harrodsburg, KY

What is the average radon level in Harrodsburg, KY?

Based on 2 user-submitted tests, the average radon level in Harrodsburg is 9.00 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 Harrodsburg in?

Harrodsburg and the 40330 zip code are in Mercer 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 Harrodsburg?

Radon mitigation in Harrodsburg 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 Harrodsburg?

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 Kentucky

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Bowling Green	15.80 pCi/L	5
Lexington	8.40 pCi/L	5
Frankfort	7.80 pCi/L	5
Florence	5.40 pCi/L	5
Owensboro	5.33 pCi/L	3
Union	4.67 pCi/L	3
Brandenburg	11.50 pCi/L	2
Harrodsburg	9.00 pCi/L	2
Louisville	5.50 pCi/L	2
Campbellsville	11.00 pCi/L	1