Marshfield, MO Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Marshfield in?

Marshfield is in Webster County, EPA Zone 2.

Q: How much does radon mitigation cost in Marshfield?

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

Avg: 7.00 pCi/L

Webster County

EPA Zone 2

1 user test

Marshfield is located in Webster County, Missouri. With 1 user-submitted readings averaging 7.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 65706 zip code.

7.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Marshfield, MO Radon Mitigation

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

Marshfield, MO Radon Testing

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

Marshfield, Missouri Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Marshfield, MO	100+ Years	Full Basement	Dec 2019

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

Marshfield Radon Facts

Key details about the radon risk profile for Marshfield and the 65706 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Webster County, MO

Zip Code

65706

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Marshfield and the 65706 zip code are located in Webster 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 Marshfield, MO

What is the average radon level in Marshfield, MO?

Based on 1 user-submitted test, the average radon level in Marshfield is 7.00 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 Marshfield in?

Marshfield and the 65706 zip code are in Webster 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 Marshfield?

Radon mitigation in Marshfield 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 Marshfield?

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