Newport, NH Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 11.00 pCi/L.

Q: What EPA Radon Zone is Newport in?

Newport is in Sullivan County, EPA Zone 2.

Q: How much does radon mitigation cost in Newport?

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

Avg: 11.00 pCi/L

Sullivan County

EPA Zone 2

2 user tests

Positioned in Sullivan County along the Connecticut River valley, Newport has recorded an average radon level of 11.0 pCi/L, nearly three times the EPA's 4.0 pCi/L action threshold. This elevated reading reflects the region's complex geology of metamorphic bedrock and glacial deposits that create significant radon production potential. Residents in zip code 03773 should prioritize radon mitigation, as the area's geological composition and typical New England basement construction create ideal conditions for radon accumulation.

11.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Newport, NH Radon Mitigation

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

Newport, NH Radon Testing

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

Newport, New Hampshire Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
16 pCi/L	Newport, NH	21-50 Years	Full Basement	Apr 2021
6 pCi/L	Newport, NH	51-99 Years	Full Basement	Jun 2016

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

Newport Radon Facts

Key details about the radon risk profile for Newport and the 03773 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sullivan County, NH

Zip Code

03773

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

11.00 pCi/L

User Tests Submitted

Newport and the 03773 zip code are located in Sullivan 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 Newport, NH

What is the average radon level in Newport, NH?

Based on 2 user-submitted tests, the average radon level in Newport is 11.00 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 Newport in?

Newport and the 03773 zip code are in Sullivan 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 Newport?

Radon mitigation in Newport 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 Newport?

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