Colrain, MA Radon Levels

Q: What EPA Radon Zone is Colrain in?

Colrain is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Colrain?

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

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

Colrain, MA Radon Facts

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

County Franklin County, MA

Zip Code 01340

Nestled in the hills of Franklin County in western Massachusetts, Colrain sits atop New England's complex bedrock geology of schist and granite formations. The town's rural character features many older homes with stone foundations and traditional New England basements. Although comprehensive testing data for the 01340 area is currently limited, the region's geological composition warrants radon testing for all residential properties.

9.13

pCi/L area average

Above EPA Action Level

Franklin County average: 9.13 pCi/L, based on 8 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Colrain 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+

Colrain, MA Radon Mitigation

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

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Radon Readings Near Colrain, MA

No homeowner tests have been submitted for Colrain 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
Greenfield	7.5 mi	17.00 pCi/L	1
Conway	11.5 mi	4.00 pCi/L	1
Northfield	14.0 mi	12.00 pCi/L	2
Goshen	16.9 mi	12.00 pCi/L	1
Sunderland	17.5 mi	4.50 pCi/L	2
Leverett	18.6 mi	9.00 pCi/L	1
Haydenville	20.6 mi	4.00 pCi/L	1
Leeds	22.5 mi	5.00 pCi/L	2

Franklin County Radon Profile

EPA mapping assigns Franklin 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 Franklin County average 9.13 pCi/L across 8 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 Franklin County home regardless of zone or a neighbor's results.

Radon FAQ for Colrain, MA

What EPA Radon Zone is Colrain in?

Colrain and the 01340 zip code are in Franklin 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 Colrain?

No homeowner radon tests have been submitted for Colrain yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Franklin County average—are the best available indicator of local conditions until Colrain 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 Colrain?

Radon mitigation in Colrain 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 Colrain?

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.