Colon, MI Radon Levels

Q: What EPA Radon Zone is Colon in?

Colon is in St Joseph County, EPA Zone Unknown.

Q: Why are radon readings shown from areas near Colon?

No homeowner radon tests have been submitted for Colon yet, so readings from the closest cities and the St Joseph County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Colon?

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

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

Colon, MI Radon Facts

EPA Radon Zone Unknown Unknown

County St Joseph County, MI

Zip Code 49040

This St Joseph County community in southwestern Michigan sits within glacial terrain that can produce variable radon levels throughout the region. Current testing data for zip code 49040 remains unavailable, emphasizing the importance of professional radon measurement for individual properties. The area's glacial deposits over sedimentary bedrock create geological conditions where radon concentrations can differ significantly between neighboring homes.

6.00

pCi/L area average

Above EPA Action Level

St Joseph County average: 6.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Colon 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+

Colon, MI 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 Colon, MI

No homeowner tests have been submitted for Colon 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
Three Rivers	15.7 mi	6.00 pCi/L	2
Coldwater	16.8 mi	9.00 pCi/L	1
Ceresco	20.9 mi	3.00 pCi/L	1
Portage	21.2 mi	3.33 pCi/L	3
Battle Creek	25.9 mi	6.60 pCi/L	5
Marshall	28.9 mi	8.50 pCi/L	2
Mattawan	31.0 mi	4.00 pCi/L	1
Paw Paw	34.9 mi	4.00 pCi/L	1

St Joseph County Radon Profile

St Joseph County lacks a firm EPA zone classification, and the EPA recommends testing every home regardless of regional radon predictions. Homeowner-submitted tests from 2 cities in St Joseph County average 6.00 pCi/L across 2 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 St Joseph County home regardless of zone or a neighbor's results.

Radon FAQ for Colon, MI

What EPA Radon Zone is Colon in?

Colon and the 49040 zip code are in St Joseph County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Colon?

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

Radon mitigation in Colon 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 Colon?

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.