Marine On Saint Croix, MN Radon Levels

Q: What EPA Radon Zone is Marine On Saint Croix in?

Marine On Saint Croix is in Washington County, EPA Zone 1.

Q: How much does radon mitigation cost in Marine On Saint Croix?

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

Check local Marine On Saint Croix radon levels and find certified testing and mitigation professionals to keep your home safe

Marine On Saint Croix, MN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Washington County, MN

Zip Code 55047

This historic Washington County community along the St. Croix River sits within the Minneapolis-St. Paul Metro area on glacial deposits over sandstone and limestone bedrock. Housing in Marine on St. Croix includes both carefully preserved 19th-century structures and newer residential properties, many with basement foundations suited to Minnesota's climate. While specific radon data is currently limited for zip code 55047, the EPA Zone 1 designation indicates homeowners should prioritize testing.

5.33

pCi/L area average

Above EPA Action Level

Washington County average: 5.33 pCi/L, based on 6 user-submitted tests across 6 cities in the county. No homeowner readings have been submitted for Marine On Saint Croix 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+

Marine On Saint Croix, MN 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 Marine On Saint Croix?

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

1-800-299-3578 651-212-4069 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Marine On Saint Croix, MN

No homeowner tests have been submitted for Marine On Saint Croix 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
Forest Lake	8.7 mi	4.00 pCi/L	1
Lake Elmo	14.6 mi	4.00 pCi/L	1
Saint Paul	21.9 mi	8.40 pCi/L	5
Cottage Grove	26.0 mi	7.00 pCi/L	2
Champlin	27.2 mi	5.00 pCi/L	2
Minneapolis	27.8 mi	5.00 pCi/L	2
Harris	29.3 mi	4.00 pCi/L	1
Anoka	29.4 mi	5.00 pCi/L	1

Washington County Radon Profile

Washington County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 6 cities in Washington County average 5.33 pCi/L across 6 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Washington County to test, as levels can differ between neighboring homes.

Radon FAQ for Marine On Saint Croix, MN

What EPA Radon Zone is Marine On Saint Croix in?

Marine On Saint Croix and the 55047 zip code are in Washington 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.

Why are radon readings shown from areas near Marine On Saint Croix?

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

Radon mitigation in Marine On Saint Croix 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 Marine On Saint Croix?

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.