West Harwich, MA Radon Levels

Q: What EPA Radon Zone is West Harwich in?

West Harwich is in Barnstable County, EPA Zone 2.

Q: How much does radon mitigation cost in West Harwich?

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

Check local West Harwich radon levels and find certified testing and mitigation professionals to keep your home safe

West Harwich, MA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Barnstable County, MA

Zip Code 02671

Situated in Barnstable County on Cape Cod, West Harwich sits atop sandy glacial deposits and coastal plain sediments characteristic of the Cape Cod Metro area. Radon testing data for zip code 02671 remains unavailable, emphasizing the need for individual home assessment. While coastal areas often have lower radon potential, the diverse geological conditions and foundation types warrant professional testing for accurate risk evaluation.

6.80

pCi/L area average

Above EPA Action Level

Barnstable County average: 6.80 pCi/L, based on 10 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for West Harwich itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

West Harwich, MA Radon Mitigation

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

Need Radon Mitigation or Testing in West Harwich?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Barnstable County Pros

1-800-299-3578 508-283-1218 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near West Harwich, MA

No homeowner tests have been submitted for West Harwich yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Osterville	14.2 mi	6.00 pCi/L	1
Sandwich	19.0 mi	10.00 pCi/L	1
Mashpee	19.5 mi	5.00 pCi/L	4
Buzzards Bay	23.8 mi	9.50 pCi/L	2
North Falmouth	26.4 mi	6.00 pCi/L	1
Falmouth	27.2 mi	7.00 pCi/L	1
Plymouth	31.9 mi	7.00 pCi/L	1
Kingston	39.4 mi	4.00 pCi/L	1

Barnstable County Radon Profile

EPA mapping assigns Barnstable County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 6 cities in Barnstable County average 6.80 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Barnstable County home regardless of zone or a neighbor's results.

Radon FAQ for West Harwich, MA

What EPA Radon Zone is West Harwich in?

West Harwich and the 02671 zip code are in Barnstable 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.

Why are radon readings shown from areas near West Harwich?

No homeowner radon tests have been submitted for West Harwich yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Barnstable County average—are the best available indicator of local conditions until West Harwich homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in West Harwich?

Radon mitigation in West Harwich 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 West Harwich?

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.