Rolla, MO Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 4.50 pCi/L.

Q: What EPA Radon Zone is Rolla in?

Rolla is in Phelps County, EPA Zone 2.

Q: How much does radon mitigation cost in Rolla?

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

Avg: 4.50 pCi/L

Phelps County

EPA Zone 2

2 user tests

Rolla is located in Phelps County, Missouri. With 2 user-submitted readings averaging 4.50 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 65401 zip code.

4.50

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Rolla, MO Radon Mitigation

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

Rolla, MO Radon Testing

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

Rolla, Missouri Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Rolla, MO	21-50 Years	Partial Basement	Oct 2017
4 pCi/L	Rolla, MO	21-50 Years	Full Basement	Mar 2016

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

Rolla Radon Facts

Key details about the radon risk profile for Rolla and the 65401 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Phelps County, MO

Zip Code

65401

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

4.50 pCi/L

User Tests Submitted

Rolla and the 65401 zip code are located in Phelps County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Rolla, MO

What is the average radon level in Rolla, MO?

Based on 2 user-submitted tests, the average radon level in Rolla is 4.50 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 Rolla in?

Rolla and the 65401 zip code are in Phelps 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.

How much does radon mitigation cost in Rolla?

Radon mitigation in Rolla 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 Rolla?

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