Tamworth, NH Radon Mitigation and Testing

Q: What is the average radon level in Tamworth, NH?

Based on 6 user-submitted tests, the average radon level is 12.70 pCi/L.

Q: What EPA Radon Zone is Tamworth in?

Tamworth is in Carroll County, EPA Zone 1.

Q: How much does radon mitigation cost in Tamworth?

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

Avg: 12.70 pCi/L

Carroll County

EPA Zone 1

6 user tests

Located in Carroll County within New Hampshire's White Mountains region, Tamworth shows an average radon level of 12.7 pCi/L based on 6 tests, significantly exceeding the EPA action threshold of 4.0 pCi/L. The area's granite bedrock and glacial till soils create ideal conditions for radon production, while many homes feature full basements typical of New England construction. Properties in zip code 03886 should prioritize radon testing and mitigation given these elevated readings.

12.70

pCi/L average

Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Tamworth, NH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Tamworth, NH Radon Mitigation

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

Tamworth, NH Radon Testing

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

Tamworth, New Hampshire Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Tamworth, NH	0-20 Years	Full Basement	Aug 2021
6 pCi/L	Tamworth, NH	0-20 Years	Full Basement	Oct 2020
18 pCi/L	Tamworth, NH	21-50 Years	Full Basement	Oct 2020
20 pCi/L	Tamworth, NH	0-20 Years	Full Basement	Jul 2019
5 pCi/L	Tamworth, NH	0-20 Years	Full Basement	Jun 2018

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

Tamworth Radon Facts

Key details about the radon risk profile for Tamworth and the 03886 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Carroll County, NH

Zip Code

03886

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

12.70 pCi/L

User Tests Submitted

Tamworth and the 03886 zip code are located in Carroll 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 Tamworth, NH

What is the average radon level in Tamworth, NH?

Based on 6 user-submitted tests, the average radon level in Tamworth is 12.70 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 Tamworth in?

Tamworth and the 03886 zip code are in Carroll 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 Tamworth?

Radon mitigation in Tamworth 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 Tamworth?

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 New Hampshire

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

City	Avg User Radon Level	Submissions
Tamworth	12.67 pCi/L	6
Freedom	10.75 pCi/L	4