Watertown, MN Radon Mitigation and Testing

Q: What EPA Radon Zone is Watertown in?

Watertown is in Carver County, EPA Zone 1.

Q: How much does radon mitigation cost in Watertown?

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

Carver County

EPA Zone 1

Situated in Carver County southwest of Minneapolis-St. Paul, Watertown lies within Minnesota's glacial prairie region where radon levels can vary significantly. Testing data for zip code 55388 is currently limited, making individual home testing crucial for residents. The community's mix of suburban development and rural properties requires site-specific radon evaluation.

Watertown, MN Radon Mitigation

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

Watertown, MN Radon Testing

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

Watertown Radon Facts

Key details about the radon risk profile for Watertown and the 55388 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Carver County, MN

Zip Code

55388

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Watertown and the 55388 zip code are located in Carver County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Watertown, MN

What EPA Radon Zone is Watertown in?

Watertown and the 55388 zip code are in Carver 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.

How much does radon mitigation cost in Watertown?

Radon mitigation in Watertown 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 Watertown?

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 Minnesota

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Savage	5.00 pCi/L	3
Faribault	10.00 pCi/L	2
Shakopee	6.50 pCi/L	2
Minneapolis	5.00 pCi/L	2
Lakeville	6.00 pCi/L	1
Delano	5.00 pCi/L	1
Montgomery	5.00 pCi/L	1
Rosemount	No submissions	0