Rock Port, MO Radon Mitigation and Testing

Q: What is the average radon level in Rock Port, MO?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Rock Port in?

Rock Port is in Atchison County, EPA Zone 1.

Q: How much does radon mitigation cost in Rock Port?

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

Avg: 5.00 pCi/L

Atchison County

EPA Zone 1

1 user test

Rock Port is located in Atchison County, Missouri. With 1 user-submitted readings averaging 5.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 64482 zip code.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Rock Port, MO Radon Mitigation

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

Rock Port, MO Radon Testing

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

Rock Port, Missouri Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Rock Port, MO	0-20 Years	Full Basement	Dec 2025

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

Rock Port Radon Facts

Key details about the radon risk profile for Rock Port and the 64482 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Atchison County, MO

Zip Code

64482

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Rock Port and the 64482 zip code are located in Atchison 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 Rock Port, MO

What is the average radon level in Rock Port, MO?

Based on 1 user-submitted test, the average radon level in Rock Port 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 Rock Port in?

Rock Port and the 64482 zip code are in Atchison 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 Rock Port?

Radon mitigation in Rock Port 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 Rock Port?

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 Missouri

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

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0